CVE-2009-4633

Ffmpeg vulnerability

CVSS

10.0

EPSS

7.9%

EPSS pct

94th

Exploited

No known

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.

Affected vendor

Ffmpeg

Affected product

Ffmpeg

CVSS vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Weakness type (CWE)

CWE-189

Published

2010-02-10

Risk analysis

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

Its EPSS score of 7.9% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 94% of all scored CVEs.

Check your external exposure to CVE-2009-4633

Confirm whether Ffmpeg Ffmpeg is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2009-4633.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2009-4633

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2009-4633 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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