Vulnerability DatabaseCVE-2026-111131
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CVE-2026-111131
Published:October 15, 2026
Updated:October 18, 2026
libxmp through 4.7.4 contains an off-by-one stack out-of-bounds read vulnerability in the prowizard P61A depacker depack_p61a() in src/loaders/prowizard/p61a.c. Attackers can supply a crafted headerless P61A module with 31 samples and a 0xffe0 back-reference size word to leak stack memory into sample metadata or disrupt loading.
Related Resources (8)
https://github.com/libxmp/libxmp
https://nvd.nist.gov/vuln/detail/CVE-2026-111131
https://www.vulncheck.com/advisories/libxmp-through-4.7.4-stack-out-of-bounds-read-via-p61a-depacker
https://github.com
https://hackmd.io/@haind-pwn/libxmp-p61a-sample-backreference-oob-read
https://github.com/libxmp/libxmp/blob/5d4f6aa2c7dcdf8e9cd8129fe579d45b36a302da/src/loaders/prowizard/p61a.c#L110-L116
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111131.json
https://github.com/libxmp/libxmp/blob/5d4f6aa2c7dcdf8e9cd8129fe579d45b36a302da/src/loaders/prowizard/p61a.c#L638-L641
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CVSS v4
Base Score:
6.9
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.1
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Out-of-bounds Read
CWE-125
EPSS
Base Score:
0.20