CVE-2009-4633: ffmpeg Numeric Errors
Vulnerability summary
CVE-2009-4633 is a high (CVSS 10.0) Numeric Errors vulnerability in ffmpeg. EPSS estimates a 7.88% chance of exploitation in the next 30 days, higher than 94.6% of scored vulnerabilities. 1 public exploit is recorded.
Advisory lineage
Upstream 0 · Downstream 1Timeline
- 10-02-2010PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
Description
vorbis_dec.c in FFmpeg 0.5 uses an assignment operator when a comparison operator was intended, which might allow remote attackers to cause a denial of service and possibly execute arbitrary code via a crafted file that modifies a loop counter and triggers a heap-based buffer overflow.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
7.88%
Chance of exploitation in the next 30 days
Percentile
95%
Versus all other CVEs
30-day change
-0.06 pp
From 7.95% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (roundup.ffmpeg.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian1 product
- ffmpeg< 4:0.5+svn20090706-3
Ffmpeg1 product
- ffmpegEOL0.5
2 vendors · 2 products
