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Libpng CVE-2025-28162

MEDIUM
Classic Buffer Overflow (CWE-120)
2026-01-27 cve@mitre.org
Buffer Overflow Denial Of Service Red Hat Libpng Suse
5.5
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
CWE-120
OWASP Top 10:2025
A06:2021 - Vulnerable and Outdated Components
ASVS 5.0
V15 - Secure Coding and Architecture Buffer copy size validation
MITRE ATT&CK

1 technique across 1 tactic: Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

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Impact

CVSS 5.5 (MEDIUM). Attack vector: Local. Complexity: Low. Privileges required: Low. User interaction: None. Exploitable via local access. Public exploit/POC available.
Exploit ScenarioDerived

An attacker could exploit this flaw, high memory usage and causing the program to become unrespon.
This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 12, 2026

Buffer Overflow vulnerability in libpng 1.6.43-1.6.46 allows a local attacker to cause a denial of service via the pngimage with AddressSanitizer (ASan), the program leaks memory in various locations, eventually leading to high memory usage and causing the program to become unresponsive [CVSS 5.5 MEDIUM]

RemediationAI

Monitor vendor advisories for a patch. Enable ASLR, DEP/NX, and stack canaries where possible.

Affects your stack

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Checking this CVE against your own stacks and servers is part of the Basic plan and up.

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Technical ContextAI · show details

Classified as CWE-120 (Classic Buffer Overflow). Affects Libpng. Buffer Overflow vulnerability in libpng 1.6.43-1.6.46 allows a local attacker to cause a denial of service via the pngimage with AddressSanitizer (ASan), the program leaks memory in various locations, eventually leading to high memory usage and causing the program to become unresponsive

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

NVD PRIMARY 5.5 MEDIUM
AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SUSE MEDIUM
Red Hat 6.2 MEDIUM

Primary rating from NVD.

CVSS VectorNVD

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

3
Patch released
Mar 31, 2026 - 21:13 nvd
Patch available
PoC Detected
Feb 06, 2026 - 20:06 vuln.today
Public exploit code
CVE Published
Jan 27, 2026 - 16:16 nvd
MEDIUM 5.5

DescriptionCVE.org

Buffer Overflow vulnerability in libpng 1.6.43-1.6.46 allows a local attacker to cause a denial of service via the pngimage with AddressSanitizer (ASan), the program leaks memory in various locations, eventually leading to high memory usage and causing the program to become unresponsive

Executive ViewAI

Why It Matters

Organizations using Buffer Overflow vulnerability in libpng 1.6.43-1.6.46 should be aware of moderate risk from CVE-2025-28162, a buffer overflow vulnerability rated CVSS 5.5. Exploitation could cause memory corruption or application crashes. Proof-of-concept code is publicly available. Organizations should apply vendor updates when available and monitor for exploitation.

Business Impact: Low
Compensating Controls

Apply vendor patch. If patching is delayed: enable ASLR/DEP, apply network segmentation.

Threat Intelligence Overview

EPSS Score
0.0%
Top 97% exploitable
Exploit
POC
Public exploit code exists
Data Quality
5 sources
Confidence: Medium
NVD CVE.org EPSS Vendor GitHub

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC Yes
EPSS 0.0%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Defer
Exploitation· derived
Poc
System Exposure· derived
Small
Automatable· derived
No
Human Impact
Low

Priority Score

48
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +28
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Buffer Overflow HIGH

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.

Denial of Service MEDIUM

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)CVE.org

cpe:2.3:a:libpng:libpng:*:*:*:*:*:*:*:*

More in Libpng

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CVE-2015-0973 HIGH POC
8.8 Jan 18

Buffer overflow in the png_read_IDAT_data function in pngrutil.c in libpng before 1.5.21 and 1.6.x before 1.6.16 allows

CVE-2026-25646 HIGH POC
8.3 Feb 10

Denial of service (with limited memory disclosure) in libpng before 1.6.55 lets an attacker supply a specially crafted b
CVE-2015-8540 HIGH
8.8 Apr 14

Integer underflow in the png_check_keyword function in pngwutil.c in libpng 0.90 through 0.99, 1.0.x before 1.0.66, 1.1.
CVE-2013-6954 MEDIUM POC
6.5 Jan 12

The png_do_expand_palette function in libpng before 1.6.8 allows remote attackers to cause a denial of service (NULL poi
CVE-2025-64720 HIGH POC
7.1 Nov 25

LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics)

CVE-2025-65018 HIGH POC
7.1 Nov 25

LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics)

CVE-2025-66293 HIGH POC
7.1 Dec 03

LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics)

CVE-2019-6129 MEDIUM POC
6.5 Jan 11

png_create_info_struct in png.c in libpng 1.6.36 has a memory leak, as demonstrated by pngcp. Rated medium severity (CVS
CVE-2018-14048 MEDIUM POC
6.5 Jul 13

An issue has been found in libpng 1.6.34. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable,

CVE-2026-22695 MEDIUM POC
6.1 Jan 12

Libpng versions 1.6.51-1.6.53 contain a heap buffer over-read in the simplified API function png_image_finish_read when

CVE-2025-28164 MEDIUM POC
5.5 Jan 27

Buffer Overflow vulnerability in libpng 1.6.43-1.6.46 allows a local attacker to cause a denial of service via png_creat
CVE-2014-9495 HIGH
8.8 Jan 10

Heap-based buffer overflow in the png_combine_row function in libpng before 1.5.21 and 1.6.x before 1.6.16, when running

Same weakness CWE-120 – Classic Buffer Overflow

View all
CVE-2017-7269 CRITICAL POC
9.8
CVE-2019-11043 CRITICAL POC
9.8
CVE-2016-10174 CRITICAL POC
9.8
CVE-2016-0099 HIGH POC
7.8
CVE-2016-6366 HIGH POC
8.8
CVE-2013-1331 HIGH
7.8
CVE-2013-0641 HIGH
7.8
CVE-2017-15222 CRITICAL POC
9.8

Same technique Buffer Overflow

View all
CVE-2015-5119 CRITICAL POC
9.8
CVE-2015-3113 CRITICAL POC
9.8
CVE-2011-2462 CRITICAL POC
9.8
CVE-2020-0796 CRITICAL POC
10.0
CVE-2009-0927 HIGH POC
8.8
CVE-2012-1889 HIGH POC
8.8

Vendor StatusVendor

SUSE

Severity: Medium
Product Status
Container private-registry/harbor-portal:1.1.1-1.20 Container suse/manager/5.0/x86_64/server-attestation:latest Container suse/manager/5.0/x86_64/server:latest Container suse/multi-linux-manager/5.1/x86_64/server-attestation:5.1.2.8.15.2 Container suse/multi-linux-manager/5.1/x86_64/server:5.1.2.8.13.2 Image SLES15-SP6 Image SLES15-SP6-Azure-3P Image SLES15-SP6-Azure-Basic Image SLES15-SP6-Azure-Standard Image SLES15-SP6-BYOS Image SLES15-SP6-BYOS-Azure Image SLES15-SP6-BYOS-EC2 Image SLES15-SP6-BYOS-GCE Image SLES15-SP6-CHOST-BYOS Image SLES15-SP6-CHOST-BYOS-Aliyun Image SLES15-SP6-CHOST-BYOS-Azure Image SLES15-SP6-CHOST-BYOS-EC2 Image SLES15-SP6-CHOST-BYOS-GCE Image SLES15-SP6-CHOST-BYOS-GDC Image SLES15-SP6-CHOST-BYOS-SAP-CCloud Image SLES15-SP6-GCE Image SLES15-SP6-HPC Image SLES15-SP6-HPC-Azure Image SLES15-SP6-HPC-BYOS Image SLES15-SP6-HPC-BYOS-Azure Image SLES15-SP6-HPC-BYOS-EC2 Image SLES15-SP6-HPC-BYOS-GCE Image SLES15-SP6-HPC-EC2 Image SLES15-SP6-HPC-GCE Image SLES15-SP6-Hardened-BYOS Image SLES15-SP6-Hardened-BYOS-Azure Image SLES15-SP6-Hardened-BYOS-EC2 Image SLES15-SP6-Hardened-BYOS-GCE Image SLES15-SP6-SAP-Azure-3P Image SLES15-SP6-SAP-BYOS Image SLES15-SP6-SAP-BYOS-Azure Image SLES15-SP6-SAP-BYOS-EC2 Image SLES15-SP6-SAP-BYOS-GCE Image SLES15-SP6-SAP-Hardened Image SLES15-SP6-SAP-Hardened-Azure Image SLES15-SP6-SAP-Hardened-BYOS Image SLES15-SP6-SAP-Hardened-BYOS-Azure Image SLES15-SP6-SAP-Hardened-BYOS-EC2 Image SLES15-SP6-SAP-Hardened-BYOS-GCE Image SLES15-SP6-SAP-Hardened-EC2 Image SLES15-SP6-SAP-Hardened-GCE Image SLES15-SP7-Azure-3P Image SLES15-SP7-Azure-Basic Image SLES15-SP7-Azure-Standard Image SLES15-SP7-BYOS-Azure Image SLES15-SP7-BYOS-EC2 Image SLES15-SP7-BYOS-GCE Image SLES15-SP7-CHOST-BYOS-Aliyun Image SLES15-SP7-CHOST-BYOS-Azure Image SLES15-SP7-CHOST-BYOS-EC2 Image SLES15-SP7-CHOST-BYOS-GCE Image SLES15-SP7-CHOST-BYOS-GDC Image SLES15-SP7-CHOST-BYOS-SAP-CCloud Image SLES15-SP7-GCE Image SLES15-SP7-GCE-3P Image SLES15-SP7-HPC-Azure Image SLES15-SP7-HPC-BYOS-Azure Image SLES15-SP7-HPC-BYOS-EC2 Image SLES15-SP7-HPC-BYOS-GCE Image SLES15-SP7-Hardened-BYOS-Azure Image SLES15-SP7-Hardened-BYOS-EC2 Image SLES15-SP7-Hardened-BYOS-GCE Image SLES15-SP7-SAP-Azure Image SLES15-SP7-SAP-Azure-3P Image SLES15-SP7-SAP-BYOS-Azure Image SLES15-SP7-SAP-BYOS-EC2 Image SLES15-SP7-SAP-BYOS-GCE Image SLES15-SP7-SAP-EC2 Image SLES15-SP7-SAP-GCE Image SLES15-SP7-SAP-GCE-3P Image SLES15-SP7-SAP-Hardened-Azure Image SLES15-SP7-SAP-Hardened-BYOS-Azure Image SLES15-SP7-SAP-Hardened-BYOS-EC2 Image SLES15-SP7-SAP-Hardened-BYOS-GCE Image SLES15-SP7-SAP-Hardened-GCE Image server-attestation-image Image server-image Affected
Container suse/sl-micro/6.0/baremetal-os-container:latest Container suse/sl-micro/6.1/baremetal-os-container:2.2.1-7.57 Affected
Container suse/sl-micro/6.0/base-os-container:2.1.3-7.96 Image SL-Micro Affected
Container suse/sl-micro/6.0/toolbox:13.2-9.22 Affected
Container suse/sl-micro/6.1/base-os-container:2.2.1-5.27 Image SL-Micro-Base Image SL-Micro-Base-RT Image SL-Micro-Base-RT-SelfInstall Image SL-Micro-Base-RT-encrypted Image SL-Micro-Base-SelfInstall Image SL-Micro-Base-encrypted Image SL-Micro-Base-qcow Image SL-Micro-Default Image SL-Micro-Default-SelfInstall Image SL-Micro-Default-encrypted Image SL-Micro-Default-qcow Image SL-Micro-EC2 Image SUSE-Multi-Linux-Manager-Proxy-BYOS-EC2 Image SUSE-Multi-Linux-Manager-Server-BYOS-EC2 Image SUSE-Multi-Linux-Manager-Server-EC2-llc Image SUSE-Multi-Linux-Manager-Server-EC2-ltd Affected

References

Advisories & patches
ADVISORY https://www.suse.com/support/update/SUSE-SU-2026:0364/ ADVISORY https://www.suse.com/support/update/SUSE-SU-2026:0596/ ADVISORY https://www.suse.com/support/update/SUSE-SU-2026:20523/ ADVISORY https://www.suse.com/support/update/SUSE-SU-2026:20530/ ADVISORY https://www.suse.com/support/update/SUSE-SU-2026:20750/ REF https://gist.github.com/kittener/fbfdb9b5610c6b3db0d5dea045a07c60

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