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CVE-2021-23191

Date: March 2, 2022

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.

Language: C++

Severity Score

Related Resources (8)

https://github.com/michaelrsweet/htmldoc/issues/415
https://bugzilla.redhat.com/show_bug.cgi?id=1967022
https://ubuntu.com/security/CVE-2021-23191
https://github.com/michaelrsweet/htmldoc/commit/369b2ea1fd0d0537ba707f20a2f047b6afd2fbdc
https://security-tracker.debian.org/tracker/CVE-2021-23191
https://nvd.nist.gov/vuln/detail/CVE-2021-23191
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-23191
https://www.mend.io/vulnerability-database/CVE-2021-23191

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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