THREATPORT/VULNERABILITY/CVE-2009-4639
MEDIUM SEVERITY

CVE-2009-4639

Ffmpeg vulnerability

CVSS
4.3
EPSS
3.0%
EPSS pct
86th
Exploited
No known
The av_rescale_rnd function in the AVI demuxer in FFmpeg 0.5 allows remote attackers to cause a denial of service (crash) via a crafted AVI file that triggers a divide-by-zero error.
Affected vendor
Ffmpeg
Affected product
Ffmpeg
CVSS vector
AV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness type (CWE)
Published
2010-02-10

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, medium attack complexity, requiring no authentication. Successful exploitation leads to partial impact to availability.

Its EPSS score of 3.0% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 86% of all scored CVEs.

Check your external exposure to CVE-2009-4639

  • Confirm whether Ffmpeg Ffmpeg is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2009-4639.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2009-4639

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2009-4639 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2009-4639?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2009-4639.

Start free scan

No credit card. Agentless.

Related vulnerabilities

MEDIUM
CVE-2007-3407
Simple Httpd vulnerability
MEDIUM
CVE-2006-7208
Com Forum vulnerability
MEDIUM
CVE-2007-3425
Phptraffica vulnerability