CVE-2016-9969 json
In libwebp 0.5.1, there is a double free bug in libwebpmux.
published 2019-05-23 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-0168
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 72%
- public exploits
- 0
- none known
Summary
In libwebp 0.5.1, there is a double free bug in libwebpmux.
Patch / fix
- libwebp Debian 14, Debian 13, Debian 12 0.5.2-1
debian advisories DEBIAN-CVE-2016-9969
- libwebp SLE Workstation Extension 15 SP7, SLE Workstation Extension 15 SP6, SLE Module for Package Hub 15 SP7 +1 more 0.5.0-150000.3.17.1
suse advisories SUSE-SU-2025:01639-2SUSE-SU-2025:01639-1
Exploit prediction
1.41% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- bugs.chromium.org https://bugs.chromium.org/p/webp/issues/detail?id=322 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 5.1 | AV:N/AC:H/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-415 Double Free
References
-
bugs.chromium.org
/p/webp/issues/detail?id=322
exploit, issue-tracking, third-party-advisory
Sources
- CVE List CVE-2016-9969
- NVD CVE-2016-9969
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.