CVE-2015-5479: libav Numeric Errors
CVSS: 6.5v3.0MediumModified
AliasesUBUNTU-CVE-2015-5479
Published 19-04-2016Last modified 06-08-2024
Vulnerability summary
CVE-2015-5479 is a medium (CVSS 6.5) Numeric Errors vulnerability in libav. EPSS estimates a 1.98% chance of exploitation in the next 30 days, higher than 80.1% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.0 (NVD)EPSS score
1.98%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 2 · Related 1Timeline
- 19-04-2016PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 6.5Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSourcesAll 2 agree
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.98%
Chance of exploitation in the next 30 days
Percentile
80%
Versus all other CVEs
30-day change
0.00 pp
From 1.98% on 18-09-2026
18-09-202618-10-2026
EPSS score1.98%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu2 products
- libav< 6:9.20-0ubuntu0.14.04.1+esm1
- ubuntu12.04
Libav1 product
- libav≤ 11.4
Opensuse1 product
- leapEOL42.1
3 vendors · 4 products
References
9 links- lists.opensuse.org/opensuse-updates/2016-06/msg00105.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory
- blogs.gentoo.org/ago/2015/07/16/libav-divide-by-zero-in-ff_h263_decode_mba/X Refsource MISCIssue Tracking