Vulnerability · Published Mar 2, 2022 · Assigned by redhat
CVE-2021-23206
High 7.8
In plain English
A high-severity stack buffer overflow in htmldoc. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 74% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.8High
Exploit odds (30 days)1.5%top 25.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | htmldoc | 1.9.11-4 | DEBIAN-CVE-2021-23206 |
| Debian:13 | htmldoc | 1.9.11-4 | DEBIAN-CVE-2021-23206 |
| Debian:14 | htmldoc | 1.9.11-4 | DEBIAN-CVE-2021-23206 |
Affected products (as reported)
Weakness: CWE-121
References
- https://github.com/michaelrsweet/htmldoc/issues/416 x_refsource_MISC
- https://bugzilla.redhat.com/show_bug.cgi?id=1967028 x_refsource_MISC
- https://ubuntu.com/security/CVE-2021-23206 x_refsource_MISC
- https://github.com/michaelrsweet/htmldoc/commit/ba61a3ece382389ae4482c7027af8b32e8ab4cc8 x_refsource_MISC