How severe is CVE-2008-2009?

CVE-2008-2009 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2008-2009 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-2009?

CVE-2008-2009 primarily affects Xiph.org Libvorbis. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-2009?

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

When was CVE-2008-2009 published?

CVE-2008-2009 was published on 2008-05-16 and last updated on 2026-06-16.

CVE-2008-2009

CVE-2008-2009 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.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Xiph.org Libvorbis
Published: 2008-05-16
Last modified: 2026-06-16

Description

Xiph.org libvorbis before 1.0 does not properly check for underpopulated Huffman trees, which allows remote attackers to cause a denial of service (crash) via a crafted OGG file that triggers memory corruption during execution of the _make_decode_tree function.

Frequently asked questions

What is CVE-2008-2009?: Xiph.org libvorbis before 1.0 does not properly check for underpopulated Huffman trees, which allows remote attackers to cause a denial of service (crash) via a crafted OGG file that triggers memory corruption during execution of the _make_decode_tree function.
How severe is CVE-2008-2009?: CVE-2008-2009 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2008-2009 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-2009?: CVE-2008-2009 primarily affects Xiph.org Libvorbis. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-2009?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2008-2009 published?: CVE-2008-2009 was published on 2008-05-16 and last updated on 2026-06-16.

References

Affected products (7)

cpe:2.3:a:xiph.org:libvorbis:1.0:beta4:*:*:*:*:*:*
cpe:2.3:a:xiph.org:libvorbis:1.0:rc1:*:*:*:*:*:*
cpe:2.3:a:xiph.org:libvorbis:1.0:rc2:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:8.10:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:9.04:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:9.10:*:*:*:*:*:*:*

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