CVE-2026-111131CWE-125

CVE-2026-111131

Medium · published October 15, 2026

CVSS v3.1
6.1
EPSS
0%
Percentile
9.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.1 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
CVSS v4.0
6.9 · CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
EPSS
0.00200 · 9.4th percentile
Weakness
CWE-125 · Out-of-bounds Read
Published
2026-10-15T23:17Z
References (6)
https://github.com/libxmp/libxmp · [email protected]https://github.com/libxmp/libxmp/blob/5d4f6aa2c7dcdf8e9cd8129fe579d45b36a302da/src/loaders/prowizard/p61a.c#L110-L116 · [email protected]https://github.com/libxmp/libxmp/blob/5d4f6aa2c7dcdf8e9cd8129fe579d45b36a302da/src/loaders/prowizard/p61a.c#L638-L641 · [email protected]https://hackmd.io/@haind-pwn/libxmp-p61a-sample-backreference-oob-read · [email protected]https://www.vulncheck.com/advisories/libxmp-through-4.7.4-stack-out-of-bounds-read-via-p61a-depacker · [email protected]https://hackmd.io/@haind-pwn/libxmp-p61a-sample-backreference-oob-read · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 17 OCT 03:28Z
    EPSS moved — → 0%
    epss
  • 15 OCT 18:57Z
    libxmp through 4.7.4 Stack Out-of-Bounds Read via P61A Depacker
    cvelistv5
  • 15 OCT 18:57Z
    libxmp through 4.7.4 Stack Out-of-Bounds Read via P61A Depacker
    cvelistv5