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CVE-2009-2663

29
FAUCET Score

CVE-2009-2663 describes a memory corruption vulnerability in libvorbis, specifically in versions prior to r16182, which was utilized by products like Mozilla Firefox 3.5.x before 3.5.2. An attacker could trigger this flaw by providing a specially crafted .ogg file. This vulnerability carries a critical CVSS score of 9.3, indicating a network-based attack with medium complexity that could lead to a complete denial of service (application crash) or potentially arbitrary code execution, impacting confidentiality, integrity, and availability. Despite its high severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.5.1CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
0.1CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:0.1:*:*:*:*:*:*:*
0.2CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:0.2:*:*:*:*:*:*:*
0.3CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:0.3:*:*:*:*:*:*:*
0.4CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:0.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.71%
Probability of exploitation in next 30 days
EPSS Percentile
84.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0272 is in the 42nd percentile among its peer group of 8,920 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

mozillapatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: libvorbis-1:1.0-11.el3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: libvorbis-1:1.1.0-3.el4_8.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: libvorbis-1:1.1.2-3.el5_3.3
View patch

Vendor Advisories (1)

redhatCVE-2009-2663Important

libvorbis: Improper codec headers processing (DoS, ACE)

Jun 24, 2009

References

lists.opensuse.org / opensuse-security-announce/2010-08/msg00001.html
bugzilla.mozilla.org / show_bug.cgi
bugzilla.redhat.com / show_bug.cgi
secunia.com / advisories/36126
secunia.com / advisories/36230
secunia.com / advisories/36263
secunia.com / advisories/36463
exchange.xforce.ibmcloud.com / vulnerabilities/52397
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9506
sunsolve.sun.com / search/document.do
usn.ubuntu.com / 825-1
redhat.com / archives/fedora-package-announce/2009-August/msg00198.html
redhat.com / archives/fedora-package-announce/2009-August/msg00261.html
redhat.com / archives/fedora-package-announce/2009-August/msg00481.html
mozilla.org / security/announce/2009/mfsa2009-45.html
PatchVendor Advisory
securityfocus.com / bid/35927
securityfocus.com / bid/36018
vupen.com / english/advisories/2009/2142
PatchVendor Advisory
vupen.com / english/advisories/2009/2223