Vulnerability · Published Mar 3, 2022 · Assigned by redhat
CVE-2021-26948
High 7.8
In plain English
A high-severity security flaw in htmldoc. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 58% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.8%top 42.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Null pointer dereference in the htmldoc v1.9.11 and before may allow attackers to execute arbitrary code and cause a denial of service via a crafted html file.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | htmldoc | 1.9.11-4 | DEBIAN-CVE-2021-26948 |
| Debian:13 | htmldoc | 1.9.11-4 | DEBIAN-CVE-2021-26948 |
| Debian:14 | htmldoc | 1.9.11-4 | DEBIAN-CVE-2021-26948 |
Affected products (as reported)
Weakness: CWE-479