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.
References (4)
Core 4
Core References
Exploit, Issue Tracking, Third Party Advisory x_refsource_misc
https://github.com/michaelrsweet/htmldoc/issues/415
Patch, Third Party Advisory x_refsource_misc
https://github.com/michaelrsweet/htmldoc/commit/369b2ea1fd0d0537ba707f20a2f047b6afd2fbdc
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=1967022
Third Party Advisory x_refsource_misc
https://ubuntu.com/security/CVE-2021-23191
Scores
CVSS v3
7.8
EPSS
0.0016
EPSS Percentile
36.7%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Details
CWE
CWE-476
Status
published
Products (1)
htmldoc_project/htmldoc
< 1.9.12
Published
Mar 02, 2022
Tracked Since
Feb 18, 2026