Vulnerability · Published Mar 3, 2022 · Assigned by redhat

CVE-2021-26259

High 7.8

In plain English

A high-severity out-of-bounds write in htmldoc. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 69% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.8High
Exploit odds (30 days)1.2%top 31.3% 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. Heap buffer overflow in render_table_row(),in ps-pdf.cxx may lead to arbitrary code execution and denial of service.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12htmldoc1.9.11-4DEBIAN-CVE-2021-26259
Debian:13htmldoc1.9.11-4DEBIAN-CVE-2021-26259
Debian:14htmldoc1.9.11-4DEBIAN-CVE-2021-26259

Affected products (as reported)

VendorProductVersions
n/a htmldoc v1.9.12

Weakness: CWE-787

References