CVE-2015-5479 json
The ff_h263_decode_mba function in libavcodec/ituh263dec.c in Libav before 11.5 allows remote attackers to cause a denial of service (divid…
published 10y ago modified 4mo ago also EUVD-2015-5434
- cvss
- 6.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.0%
- EPSS 2.0% chance of exploitation in 30 days, percentile 80%
- public exploits
- 0
- none known
Summary
The ff_h263_decode_mba function in libavcodec/ituh263dec.c in Libav before 11.5 allows remote attackers to cause a denial of service (divide-by-zero error and application crash) via a file with crafted dimensions.
Patch / fix
- libav Ubuntu Pro 14.04 LTS 6:9.20-0ubuntu0.14.04.1+esm1
ubuntu advisories UBUNTU-CVE-2015-5479
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- libav-tools openSUSE Tumbleweed 12.3-1.17
opensuse advisories openSUSE-SU-2024:10926-1
Is CVE-2015-5479 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
1.98% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 6.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-189 Numeric Errors
References
-
lists.opensuse.org
/opensuse-updates/2016-06/msg00105.html
vendor-advisory, third-party-advisory
-
ubuntu.com
/usn/USN-2944-1
vendor-advisory, third-party-advisory
-
libav.org
/releases/libav-11.5.changelog
vendor-advisory
-
blogs.gentoo.org
/ago/2015/07/16/libav-divide-by-zero-in-ff_h263_decode_mba/
issue-tracking
-
securityfocus.com
/bid/75932
vdb-entry
- git.libav.org /?p=libav.git%3Ba=commitdiff%3Bh=0a49a62f998747cfa564d98d36a459fe70d3299b
Sources
- CVE List CVE-2015-5479
- NVD CVE-2015-5479
Fencer Intel 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.