CVE-2007-4066

CVE-2007-4066 is a medium-severity vulnerability in Xiph.org Libvorbis with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

• Severity: Medium (CVSS 2.0 base score 4.3)
• EPSS exploit prediction: 2% (76th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-119
• Affected product: Xiph.org Libvorbis
• Published: 2007-09-21
• Last modified: 2026-06-16

Description

Multiple buffer overflows in Xiph.Org libvorbis before 1.2.0 allow context-dependent attackers to cause a denial of service or have other unspecified impact via a crafted OGG file, aka trac Changesets 13162, 13168, 13169, 13170, 13172, 13211, and 13215, as demonstrated by an overflow in oggenc.exe related to the _psy_noiseguards_8 array.

Frequently asked questions

What is CVE-2007-4066?

Multiple buffer overflows in Xiph.Org libvorbis before 1.2.0 allow context-dependent attackers to cause a denial of service or have other unspecified impact via a crafted OGG file, aka trac Changesets 13162, 13168, 13169, 13170, 13172, 13211, and 13215, as demonstrated by an overflow in oggenc.exe related to the _psy_noiseguards_8 array.

How severe is CVE-2007-4066?

CVE-2007-4066 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2007-4066 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-4066?

CVE-2007-4066 affects Xiph.org Libvorbis. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-4066?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2007-4066 published?

CVE-2007-4066 was published on 2007-09-21 and last updated on 2026-06-16.

References

• http://secunia.com/advisories/24923
• http://secunia.com/advisories/26865
• http://secunia.com/advisories/27099
• http://secunia.com/advisories/27170
• http://secunia.com/advisories/27439
• http://secunia.com/advisories/28614
• http://security.gentoo.org/glsa/glsa-200710-03.xml
• http://securitytracker.com/id?1018712
• http://svn.xiph.org/trunk/vorbis/CHANGES
• http://www.debian.org/security/2008/dsa-1471
• http://www.mandriva.com/security/advisories?name=MDKSA-2007:194
• http://www.novell.com/linux/security/advisories/2007_23_sr.html
• http://www.redhat.com/support/errata/RHSA-2007-0845.html
• http://www.redhat.com/support/errata/RHSA-2007-0912.html
• https://bugzilla.redhat.com/show_bug.cgi?id=249780
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11453
• https://trac.xiph.org/changeset/13162
• https://trac.xiph.org/changeset/13168
• https://trac.xiph.org/changeset/13169
• https://trac.xiph.org/changeset/13170
• https://trac.xiph.org/changeset/13172
• https://trac.xiph.org/changeset/13211
• https://trac.xiph.org/changeset/13215
• https://trac.xiph.org/ticket/300
• https://trac.xiph.org/ticket/853

Affected products (1)

• cpe:2.3:a:xiph.org:libvorbis:*:*:*:*:*:*:*:*

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