What’s Vulnerable › Vulnerabilities

CVE-2022-24191

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-04-04 · updated 2026-06-17
• Weakness: CWE-835

Description

In HTMLDOC 1.9.14, an infinite loop in the gif_read_lzw function can lead to a pointer arbitrarily pointing to heap memory and resulting in a buffer overflow.

Affected products

• Fedoraproject Fedora: 34
• htmldoc: before 1.9.15 — fixed in 1.9.15

How to fix

Upgrade to a fixed version: htmldoc 1.9.15. Check the vendor advisory for mitigations.

References

• https://github.com/michaelrsweet/htmldoc/issues/470
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6RPDZLHOMPSA2LBXXFTZ5UADZWGYYWH7/
• https://github.com/michaelrsweet/htmldoc/issues/470
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6RPDZLHOMPSA2LBXXFTZ5UADZWGYYWH7/

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