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Fencer Vulns
critical 9.3

CVE-2009-2663 json

libvorbis before r16182, as used in Mozilla Firefox 3.5.x before 3.5.2 and other products, allows context-dependent attackers to cause a de…

published 2009-08-04 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-2656

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.7%
EPSS 2.7% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

libvorbis before r16182, as used in Mozilla Firefox 3.5.x before 3.5.2 and other products, allows context-dependent attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via a crafted .ogg file.

Patch / fix

  • libvorbis Debian 14, Debian 13, Debian 12 1.2.0.dfsg-6
  • libvorbisidec Debian 14, Debian 13, Debian 12 1.0.2+svn16259-2

debian advisories DEBIAN-CVE-2009-2663

  • libvorbis RHEL 3 1:1.0-11.el3
  • libvorbis RHEL 4 1:1.1.0-3.el4_8.2
  • libvorbis RHEL 5 1:1.1.2-3.el5_3.3

red hat advisories RHSA-2009:1219

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2009-2663 updated cvss 6.8

libvorbis: Improper codec headers processing (DoS, ACE)

  • Red Hat Desktop version 3 libvorbis 1.0-11.el3 Red Hat Enterprise Linux (v. 5 server) libvorbis 1.1.2-3.el5_3.3 Red Hat Enterprise Linux AS version 3 libvorbis 1.0-11.el3 Red Hat Enterprise Linux AS version 4 libvorbis 1.1.0-3.el4_8.2 Red Hat Enterprise Linux Desktop (v. 5 client) libvorbis 1.1.2-3.el5_3.3 Red Hat Enterprise Linux Desktop version 4 libvorbis 1.1.0-3.el4_8.2
    +5 more products
    Red Hat Enterprise Linux Desktop Workstation (v. 5 client) libvorbis 1.1.2-3.el5_3.3 Red Hat Enterprise Linux ES version 3 libvorbis 1.0-11.el3 Red Hat Enterprise Linux ES version 4 libvorbis 1.1.0-3.el4_8.2 Red Hat Enterprise Linux WS version 3 libvorbis 1.0-11.el3 Red Hat Enterprise Linux WS version 4 libvorbis 1.1.0-3.el4_8.2
    fixed: vendor fix RHSA-2009:1219

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.71% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-399 Resource Management Errors

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.