CVE-2015-5479

The ff_h263_decode_mba function in libavcodec/ituh263dec.c in Libav before 11.5 allows remote...

6.5 MediumFix available

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

1.98%Up 0.7 points since Feb 4, 2022

What each source reports

NVD Score used 6.5

Record: CVE-2015-5479
CVSS 3.0: 6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness: CWE-189
Updated: 2026-11-02

CVE List No score

Record: CVE-2015-5479
Updated: 2026-11-02

EUVDEUVD-2015-5434 No score

Record: EUVD-2015-5434
Updated: 2026-11-03

GitHub AdvisoriesGHSA-73wj-87qj-vf4x 6.5

The ff_h263_decode_mba function in libavcodec/ituh263dec.c in Libav before 11.5 allows remote...

Record: GHSA-73wj-87qj-vf4x
CVSS 3.0: 6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2015-5479 6.5

Record: UBUNTU-CVE-2015-5479
CVSS 3.0: 6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVopenSUSE-SU-2024:10926-1 No score

libav-tools-12.3-1.17 on GA media

These are all security issues fixed in the libav-tools-12.3-1.17 package on the GA media of openSUSE Tumbleweed.

Record: openSUSE-SU-2024:10926-1
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`libav` Debian:7 From an advisory covering 3 CVEs	before 6:0.8.18-0+deb7u1, plus listed versions 6:0.8.10-16:0.8.12-16:0.8.13-16:0.8.15-16:0.8.16-1 Show 8 moreShow less 6:0.8.17-16:0.8.17-26:0.8.17-2+deb7u16:0.8.17-2+deb7u26:0.8.6-16:0.8.7-16:0.8.8-16:0.8.9-1	6:0.8.18-0+deb7u1
`libav` Ubuntu:Pro:14.04:LTS	before 6:9.20-0ubuntu0.14.04.1+esm1, plus listed versions 6:0.8.7-1ubuntu26:9.10-1ubuntu16:9.10-1ubuntu26:9.10-1ubuntu56:9.10-1ubuntu6 Show 8 moreShow less 6:9.10-1ubuntu76:9.11-2ubuntu16:9.11-2ubuntu26:9.13-0ubuntu0.14.04.16:9.14-0ubuntu0.14.04.16:9.16-0ubuntu0.14.04.16:9.18-0ubuntu0.14.04.16:9.20-0ubuntu0.14.04.1	6:9.20-0ubuntu0.14.04.1+esm1
`libav-tools` openSUSE:Tumbleweed From an advisory covering 12 CVEs	before 12.3-1.17	12.3-1.17

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2015-5479 is a medium vulnerability (CVSS 6.5) in Libav, published October 9, 2015. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.98%, the 80th percentile. Fixed in libav 6:9.20-0ubuntu0.14.04.1+esm1.

References

Show 18 moreShow less