CVE-2026-88372: libsndfile · Integer Overflow or Wraparound
Affects libsndfileSource CVE Database V5
Not known to be exploited · CVSS 7.5 High : upgrade to 1.2.2 soon.
Data as of 26 Oct 2026, 14:05 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 32% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 1.2.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 24 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade libsndfile/libsndfile to 1.2.2.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
GitHublibsndfile/libsndfilepkg:github/libsndfile/libsndfileOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
If you cannot patch yet, avoid processing untrusted or malformed MAT4 files with libsndfile versions prior to 1.2.2.
Description
libsndfile version 1.2.2 and earlier contain an integer overflow vulnerability in the mat4_read_header() function when parsing specially crafted MATLAB v4 (MAT4) files. This flaw can cause a denial of service by crashing the application. The vulnerability has a CVSS score of 7.5, indicating high severity, but does not impact confidentiality or integrity. No known exploits are reported in the wild.