Lame
CVE-2015-9100
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A10:2025 - Mishandling of Exceptional Conditions
ASVS 5.0
V16 - Security Logging and Error Handling Null pointer safety, defensive checks
MITRE ATT&CK
1 technique across 1 tactic: Impact The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 5.5 (MEDIUM). Attack characteristics: local attack vector, low complexity, no privileges required, user interaction required. EPSS exploitation probability: 0.40%. |
| Exploit ScenarioDerived | A local attacker with access to the system could crash the application by dereferencing a null pointer. No authentication is required to exploit this vulnerability. |
Get an e-mail when this CVE is exploited, patched or re-scored. Free account.
Alert meAnalysisAI
The fill_buffer_resample function in util.c in libmp3lame.a in LAME 3.99.5 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted audio. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Check pointers before dereferencing. Use static analysis tools to detect null pointer paths.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as NULL Pointer Dereference (CWE-476), which allows attackers to crash the application by dereferencing a null pointer. The fill_buffer_resample function in util.c in libmp3lame.a in LAME 3.99.5 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted audio file. Affected products include: Lame Project Lame.
Know when Lame gets its next vulnerability
- Watch products and get an email when something new is published
- Check this CVE against your own stack and servers
- Exploit and PoC references, threat intelligence from 22 sources
No credit card · 7-day full trial
Severity by source
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionCVE.org
The fill_buffer_resample function in util.c in libmp3lame.a in LAME 3.99.5 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted audio file.
Threat Intelligence Overview
NVD
CVE.org
EPSS
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.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
A null pointer dereference occurs when a program attempts to access memory through a pointer that has been set to NULL (address 0x0).
Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.
Affected Products (CPE)CVE.org
There is a division-by-zero vulnerability in LAME 3.99.5, caused by a malformed input file. Rated critical severity (CVS
The III_dequantize_sample function in layer3.c in mpglib, as used in libmpgdecoder.a in LAME 3.99.5 and other products,
LAME through 3.99.5 relies on the signed integer data type for values in a WAV or AIFF header, which allows remote attac
LAME 3.99.5 has a NULL Pointer Dereference in the hip_decode_init function within libmp3lame/mpglib_interface.c via a ma
The unpack_read_samples function in frontend/get_audio.c in LAME 3.99.5 allows remote attackers to cause a denial of ser
The II_step_one function in layer2.c in mpglib, as used in libmpgdecoder.a in LAME 3.99.5 and other products, allows rem
The fill_buffer_resample function in util.c in libmp3lame.a in LAME 3.98.4, 3.98.2, 3.98, 3.99, 3.99.1, 3.99.2, 3.99.3,
LAME 3.99.5, 3.99.4, 3.99.3, 3.99.2, 3.99.1, 3.99, 3.98.4, 3.98.2 and 3.98 have a heap-based buffer over-read when handl
LAME 3.99, 3.99.1, 3.99.2, 3.99.3, 3.99.4, 3.99.5, 3.98.4, 3.98.2 and 3.98 has a heap-based buffer over-read in fill_buf
LAME 3.99.5, 3.99.4, 3.98.4, 3.98.2, 3.98 and 3.97 have a stack-based buffer overflow in unpack_read_samples in frontend
The III_i_stereo function in layer3.c in mpglib, as used in libmpgdecoder.a in LAME 3.99.5 and other products, allows re
NULL Pointer Dereference in the id3v2AddAudioDuration function in libmp3lame/id3tag.c in LAME 3.99.5 allows attackers to
GitHub PoC
Exploit-DB