What’s Vulnerable › Vulnerabilities

CVE-2021-23206

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-03-02 · updated 2026-06-17
• Weakness: CWE-121

Description

A flaw was found in htmldoc in v1.9.12 and prior. A stack buffer overflow in parse_table() in ps-pdf.cxx may lead to execute arbitrary code and denial of service.

Affected products

• htmldoc: through 1.9.12

References

• https://bugzilla.redhat.com/show_bug.cgi?id=1967028
• https://github.com/michaelrsweet/htmldoc/commit/ba61a3ece382389ae4482c7027af8b32e8ab4cc8
• https://github.com/michaelrsweet/htmldoc/issues/416
• https://ubuntu.com/security/CVE-2021-23206
• https://bugzilla.redhat.com/show_bug.cgi?id=1967028
• https://github.com/michaelrsweet/htmldoc/commit/ba61a3ece382389ae4482c7027af8b32e8ab4cc8
• https://github.com/michaelrsweet/htmldoc/issues/416
• https://ubuntu.com/security/CVE-2021-23206

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