Buffer Overflow
A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.
How It Works
A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions. This overwrites whatever data or code exists there, corrupting program state and potentially giving attackers control over execution flow.
Stack-based overflows are the most common variant. When a function allocates a fixed-size buffer on the stack and then copies user-controlled input without proper bounds checking, attackers can overflow past the buffer to overwrite the function's return address. When the function completes, instead of returning to legitimate code, execution jumps to attacker-specified memory containing malicious shellcode. Heap-based overflows work differently—they corrupt heap metadata like chunk size fields or free list pointers, leading to arbitrary memory writes when the allocator processes the corrupted structures.
Modern exploitation bypasses defensive mechanisms through techniques like Return-Oriented Programming (ROP), which chains together existing code snippets to avoid non-executable memory protections. Attackers may also use heap spraying to reliably position shellcode at predictable addresses, defeating address randomization.
Impact
- Remote code execution — attacker gains ability to run arbitrary commands with the privileges of the vulnerable process
- Privilege escalation — exploiting kernel or setuid program overflows to gain root/SYSTEM access
- Denial of service — crashes and memory corruption that render systems unusable
- Information disclosure — reading sensitive data from adjacent memory regions that should be inaccessible
- Authentication bypass — overwriting security-critical variables like permission flags or user IDs
Real-World Examples
Fortinet FortiOS suffered a critical buffer overflow (CVE-2025-32756) that allowed unauthenticated remote attackers to execute code as root on firewalls and VPN gateways. Attackers actively exploited this to compromise enterprise network perimeters before patches were available.
The Slammer worm from 2003 exploited a stack overflow in Microsoft SQL Server, spreading to 75,000 hosts in ten minutes by sending a single malformed UDP packet that overwrote the return address with shellcode. No authentication was required.
OpenSSH historically contained a heap overflow in challenge-response authentication that allowed pre-authentication remote root compromise on Unix systems, demonstrating how memory corruption in privileged network services creates maximum impact scenarios.
Mitigation
- Memory-safe languages — Rust, Go, and modern managed languages prevent buffer overflows by design through automatic bounds checking
- Stack canaries — random values placed before return addresses that detect corruption before control transfer
- Address Space Layout Randomization (ASLR) — randomizes memory locations making exploitation less reliable
- Data Execution Prevention (DEP/NX) — marks memory regions as non-executable, preventing direct shellcode execution
- Bounds checking — validate input sizes before copying, use safe functions like
strncpyinstead ofstrcpy - Fuzzing and static analysis — automated testing to discover overflows before deployment
Recent CVEs (36679)
In FreeBSD 12.1-STABLE before r362281, 11.4-STABLE before r362281, and 11.4-RELEASE before p1, long values in the user-controlled PATH environment variable cause posix_spawnp to write beyond the end. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
Buffer overflow exists in Geovision Door Access Control device family, an unauthenticated remote attacker can execute arbitrary command. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
RIOT 2020.04 has a buffer overflow in the base64 decoder. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
An issue was discovered on Samsung mobile devices with Q(10.0) software. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
An issue was discovered on Samsung mobile devices with P(9.0) and Q(10.0) (Exynos 7885 chipsets) software. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
An issue was discovered in Xen through 4.13.x, allowing Arm guest OS users to cause a hypervisor crash because of a missing alignment check in VCPUOP_register_vcpu_info. Rated medium severity (CVSS 6.5), this vulnerability is low attack complexity. This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.
An issue was discovered in Xen through 4.13.x, allowing x86 HVM guest OS users to cause a hypervisor crash. Rated medium severity (CVSS 6.5), this vulnerability is low attack complexity. This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.
TCP/IP function included in the firmware of Mitsubishi Electric GOT2000 series (CoreOS with version -Y and earlier installed in GT27 Model, GT25 Model, and GT23 Model) contains a buffer overflow. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
An issue was discovered on Realtek RTL8195AM, RTL8711AM, RTL8711AF, and RTL8710AF devices before 2.0.6. Rated high severity (CVSS 8.0). This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
Apache Guacamole 1.1.0 and older may mishandle pointers involved inprocessing data received via RDP static virtual channels. Rated medium severity (CVSS 6.7). No vendor patch available.
An issue was discovered on Wavlink WL-WN530HG4 M30HG4.V5030.191116 devices. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
An exploitable code execution vulnerability exists in the ANI file format parser of Leadtools 20. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
mwe file parsing in Phoenix Contact PC Worx and PC Worx Express version 1.87 and earlier is vulnerable to out-of-bounds read remote code execution. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
PLCopen XML file parsing in Phoenix Contact PC Worx and PC Worx Express version 1.87 and earlier can lead to a stack-based overflow. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, 11.1, and 11.5 is vulnerable to a buffer overflow, caused by improper bounds checking which could allow a local. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Buffer Copy without Size Check vulnerability could allow attackers to overflow a buffer to corrupt adjacent memory.
In nDPI through 3.2, the Oracle protocol dissector has a heap-based buffer over-read in ndpi_search_oracle in lib/protocols/oracle.c. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
In nDPI through 3.2, there is a stack overflow in extractRDNSequence in lib/protocols/tls.c. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
In nDPI through 3.2, the OpenVPN dissector is vulnerable to a heap-based buffer over-read in ndpi_search_openvpn in lib/protocols/openvpn.c. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
In nDPI through 3.2, the H.323 dissector is vulnerable to a heap-based buffer over-read in ndpi_search_h323 in lib/protocols/h323.c, as demonstrated by a payload packet length that is too short. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
In nDPI through 3.2, the packet parsing code is vulnerable to a heap-based buffer over-read in ndpi_parse_packet_line_info in lib/ndpi_main.c. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
ffjpeg through 2020-02-24 has a heap-based buffer overflow in jfif_decode in jfif.c. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
NVIDIA Virtual GPU Manager contains a vulnerability in the vGPU plugin, in which the software reads from a buffer by using buffer access mechanisms such as indexes or pointers that reference memory. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
NVIDIA Virtual GPU Manager contains a vulnerability in the vGPU plugin, in which the software does not restrict or incorrectly restricts operations within the boundaries of a resource that is. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Delta Industrial Automation DOPSoft, Version 4.00.08.15 and prior. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
The xrdp-sesman service before version 0.9.13.1 can be crashed by connecting over port 3350 and supplying a malicious payload. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
A vulnerability in the JPEG image parsing module in DaView Indy, DaVa+, DaOffice softwares could allow an unauthenticated, remote attacker to cause an arbitrary code execution on an affected. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
In MediaInfoLib in MediaArea MediaInfo 20.03, there is a stack-based buffer over-read in Streams_Fill_PerStream in Multiple/File_MpegPs.cpp (aka an off-by-one during MpegPs parsing). Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Sophos XG Firewall 17.x through v17.5 MR12 allows a Buffer Overflow and remote code execution via the HTTP/S Bookmarks feature for clientless access. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
LibRaw before 0.20-Beta3 has an out-of-bounds write in parse_exif() in metadata\exif_gps.cpp via an unrecognized AtomName and a zero value of tiff_nifds. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
In SQLite before 3.32.3, select.c mishandles query-flattener optimization, leading to a multiSelectOrderBy heap overflow because of misuse of transitive properties for constant propagation. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available.
Adobe DNG Software Development Kit (SDK) 1.5 and earlier versions have an out-of-bounds read vulnerability. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Adobe DNG Software Development Kit (SDK) 1.5 and earlier versions have an out-of-bounds read vulnerability. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Adobe DNG Software Development Kit (SDK) 1.5 and earlier versions have an out-of-bounds read vulnerability. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Adobe Illustrator versions 24.0.2 and earlier have a memory corruption vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
Adobe Illustrator versions 24.0.2 and earlier have a memory corruption vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
Adobe Illustrator versions 24.0.2 and earlier have a memory corruption vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
Adobe Illustrator versions 24.0.2 and earlier have a memory corruption vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
Adobe Illustrator versions 24.0.2 and earlier have a memory corruption vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
Adobe Bridge versions 10.0.1 and earlier version have an out-of-bounds write vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.
Adobe Bridge versions 10.0.1 and earlier version have a memory corruption vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
Adobe Bridge versions 10.0.1 and earlier version have an out-of-bounds write vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.
Adobe Bridge versions 10.0.1 and earlier version have an out-of-bounds write vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.
Adobe Bridge versions 10.0.1 and earlier version have a heap overflow vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
Adobe Bridge versions 10.0.1 and earlier version have a heap overflow vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
Adobe Bridge versions 10.0.1 and earlier version have an out-of-bounds write vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.
Adobe Bridge versions 10.0.1 and earlier version have an out-of-bounds write vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.
Adobe Bridge versions 10.0.1 and earlier version have an out-of-bounds write vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.
Adobe Bridge versions 10.0.1 and earlier version have an out-of-bounds read vulnerability. Rated low severity (CVSS 3.3), this vulnerability is no authentication required, low attack complexity.
Adobe Bridge versions 10.0.1 and earlier version have an out-of-bounds read vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity.
Adobe Bridge versions 10.0.1 and earlier version have an out-of-bounds write vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.
Adobe Bridge versions 10.0.1 and earlier version have a stack-based buffer overflow vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
Adobe Bridge versions 10.0.1 and earlier version have an out-of-bounds write vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.
Adobe Bridge versions 10.0.1 and earlier version have an out-of-bounds read vulnerability. Rated low severity (CVSS 3.3), this vulnerability is no authentication required, low attack complexity.
Adobe After Effects versions 17.0.1 and earlier have an out-of-bounds read vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity.
Adobe DNG Software Development Kit (SDK) 1.5 and earlier versions have an out-of-bounds read vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity.
Adobe DNG Software Development Kit (SDK) 1.5 and earlier versions have an out-of-bounds read vulnerability. Rated low severity (CVSS 3.3), this vulnerability is no authentication required, low attack complexity.
Adobe DNG Software Development Kit (SDK) 1.5 and earlier versions have an out-of-bounds read vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity.
Adobe DNG Software Development Kit (SDK) 1.5 and earlier versions have an out-of-bounds read vulnerability. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
Adobe DNG Software Development Kit (SDK) 1.5 and earlier versions have an out-of-bounds read vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity.
Adobe DNG Software Development Kit (SDK) 1.5 and earlier versions have a heap overflow vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
Adobe DNG Software Development Kit (SDK) 1.5 and earlier versions have a heap overflow vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
Adobe Premiere Rush versions 1.5.8 and earlier have an out-of-bounds read vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Adobe Premiere Pro versions 14.1 and earlier have an out-of-bounds read vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Adobe DNG Software Development Kit (SDK) 1.5 and earlier versions have a heap overflow vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
Adobe DNG Software Development Kit (SDK) 1.5 and earlier versions have a heap overflow vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
Adobe Character Animator versions 3.2 and earlier have a buffer overflow vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
A buffer over-read flaw was found in RH kernel versions before 5.0 in crypto_authenc_extractkeys in crypto/authenc.c in the IPsec Cryptographic algorithm's module, authenc. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.
An issue was discovered in OpenEXR before v2.5.2. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
Adobe After Effects versions 17.1 and earlier have an out-of-bounds write vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.
Adobe After Effects versions 17.1 and earlier have an out-of-bounds read vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.
Adobe After Effects versions 17.1 and earlier have an out-of-bounds write vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.
Adobe Audition versions 13.0.6 and earlier have an out-of-bounds write vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.
Adobe Audition versions 13.0.6 and earlier have an out-of-bounds write vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.
Adobe Premiere Rush versions 1.5.12 and earlier have an out-of-bounds write vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.
Adobe Premiere Rush versions 1.5.12 and earlier have an out-of-bounds write vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.
Adobe Premiere Rush versions 1.5.12 and earlier have an out-of-bounds read vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.
Adobe Premiere Pro versions 14.2 and earlier have an out-of-bounds write vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.
Adobe Premiere Pro versions 14.2 and earlier have an out-of-bounds write vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.
Adobe Premiere Pro versions 14.2 and earlier have an out-of-bounds read vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.
Adobe Illustrator versions 24.1.2 and earlier have a buffer errors vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.
Adobe Illustrator versions 24.1.2 and earlier have a memory corruption vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
Adobe Illustrator versions 24.1.2 and earlier have a memory corruption vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
Adobe Illustrator versions 24.1.2 and earlier have a memory corruption vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
Adobe After Effects versions 17.1 and earlier have a heap overflow vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
Adobe After Effects versions 17.1 and earlier have a heap overflow vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
Adobe Audition versions 13.0.5 and earlier have an out-of-bounds read vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity.
Adobe Acrobat and Reader versions 2020.006.20042 and earlier, 2017.011.30166 and earlier, 2017.011.30166 and earlier, and 2015.006.30518 and earlier have a heap overflow vulnerability. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Adobe Acrobat and Reader versions 2020.006.20042 and earlier, 2017.011.30166 and earlier, 2017.011.30166 and earlier, and 2015.006.30518 and earlier have an out-of-bounds read vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Adobe Acrobat and Reader versions 2020.006.20042 and earlier, 2017.011.30166 and earlier, 2017.011.30166 and earlier, and 2015.006.30518 and earlier have an out-of-bounds read vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Adobe Acrobat and Reader versions 2020.006.20042 and earlier, 2017.011.30166 and earlier, 2017.011.30166 and earlier, and 2015.006.30518 and earlier have a buffer error vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.