CVE-2026-111131
libxmp through 4.7.4 Stack Out-of-Bounds Read via P61A Depacker
CVSS Score
6.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-125 |
| Vendor | libxmp |
| Product | libxmp |
| Published | Oct 15, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
High
Affected Versions
libxmp / libxmp
0 ≤ 4.7.4
References
hackmd.io: https://hackmd.io/@haind-pwn/libxmp-p61a-sample-backreference-oob-read github.com: https://github.com/libxmp/libxmp/blob/5d4f6aa2c7dcdf8e9cd8129fe579d45b36a302da/src/loaders/prowizard/p61a.c#L110-L116 github.com: https://github.com/libxmp/libxmp/blob/5d4f6aa2c7dcdf8e9cd8129fe579d45b36a302da/src/loaders/prowizard/p61a.c#L638-L641 github.com: https://github.com/libxmp/libxmp vulncheck.com: https://www.vulncheck.com/advisories/libxmp-through-4.7.4-stack-out-of-bounds-read-via-p61a-depacker
Credits
HaiND from the Post and Telecommunication Institute of Technology