High severity7.8NVD Advisory· Published Mar 2, 2022· Updated Jun 17, 2026
CVE-2021-23191
CVE-2021-23191
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.
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Affected products
3Patches
Vulnerability mechanics
References
4- bugzilla.redhat.com/show_bug.cginvdIssue TrackingPatchThird Party Advisory
- github.com/michaelrsweet/htmldoc/commit/369b2ea1fd0d0537ba707f20a2f047b6afd2fbdcnvdPatchThird Party Advisory
- github.com/michaelrsweet/htmldoc/issues/415nvdExploitIssue TrackingThird Party Advisory
- ubuntu.com/security/CVE-2021-23191nvdThird Party Advisory
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