CVE-2021-23191

HIGH
7.8
CVSS Score
Published: March 2, 2022 at 10:28 PM UTC
Updated: June 17, 2026 at 03:38 AM UTC
3 products affected across 3 vendorsProject HtmldocProject HtmldocProject Htmldoc

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Severity
HIGH7.8
Exploit prediction
EPSS 1%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions
Vendor states this is fixed in 1.9.12 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (4)

x_refsource_MISCIssue TrackingPatchThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1967022
x_refsource_MISCExploitIssue TrackingThird Party Advisory
https://github.com/michaelrsweet/htmldoc/issues/415
x_refsource_MISCThird Party Advisory
https://ubuntu.com/security/CVE-2021-23191

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-476

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