CVE-2021-23191 — NULL Pointer Dereference in Project Htmldoc

CWE-476 — NULL Pointer Dereference8 documents7 sources
Severity
7.8HIGHNVD
OSV9.8
EPSS
0.2%
top 62.92%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Htmldoc Project Htmldoc
Timeline
PublishedMar 2
Latest updateJan 8

Description

A security issue was found in htmldoc v1.9.12 and before. A NULL pointer dereference in the function image_load_jpeg() in image.cxx may result in denial of service.

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/htmldocFixed in htmldoc v1.9.12 and later.

Patches

Patch: bugzilla.redhat.com ↗Patch: github.com ↗Patch: bugzilla.redhat.com ↗

🔴Vulnerability Details

4
OSV
HTMLDOC vulnerabilities↗2025-01-08
▶
GHSA
GHSA-rh6g-g88g-qmfg: A security issue was found in htmldoc v1↗2022-03-04
▶
CVEList
CVE-2021-23191: A security issue was found in htmldoc v1↗2022-03-02
▶
OSV
CVE-2021-23191: A security issue was found in htmldoc v1↗2022-03-02
▶

📋Vendor Advisories

2
Ubuntu
HTMLDOC vulnerabilities↗2025-01-08
▶
Debian
CVE-2021-23191: htmldoc - A security issue was found in htmldoc v1.9.12 and before. A NULL pointer derefer...↗2021
▶
CVE-2021-23191 — NULL Pointer Dereference | cvebase