CVE-2021-26948 — Signal Handler Use of a Non-reentrant Function in Project Htmldoc

CWE-479 — Signal Handler Use of a Non-reentrant FunctionCWE-476 — NULL Pointer Dereference8 documents7 sources
Severity
7.8HIGHNVD
OSV9.8
EPSS
0.1%
top 66.77%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Htmldoc Project Htmldoc
Timeline
PublishedMar 3
Latest updateJan 8

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages4 packages

▶Debianhtmldoc_project/htmldoc< 1.9.11-4+3
▶Ubuntuhtmldoc_project/htmldoc< 1.8.27-8ubuntu1+esm3+3
▶CVEListV5htmldoc_project/htmldocv1.9.11

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

4
OSV
HTMLDOC vulnerabilities↗2025-01-08
▶
GHSA
GHSA-2crh-849q-gg8v: Null pointer dereference in the htmldoc v1↗2022-03-05
▶
CVEList
CVE-2021-26948: Null pointer dereference in the htmldoc v1↗2022-03-03
▶
OSV
CVE-2021-26948: Null pointer dereference in the htmldoc v1↗2022-03-03
▶

💥Exploits & PoCs

1
Nuclei
Jellyfin Security Checks
▶

📋Vendor Advisories

2
Ubuntu
HTMLDOC vulnerabilities↗2025-01-08
▶
Debian
CVE-2021-26948: htmldoc - Null pointer dereference in the htmldoc v1.9.11 and before may allow attackers t...↗2021
▶
CVE-2021-26948 — Htmldoc Project Htmldoc vulnerability | cvebase