CVE-2021-43579

HIGH
7.8
CVSS Score
Published: November 12, 2021 at 05:49 PM UTC
Updated: June 17, 2026 at 04:11 AM UTC
3 products affected across 3 vendorsDebian LinuxProject HtmldocProject Htmldoc

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Severity
HIGH7.8
Exploit prediction
EPSS 7%

Description

A stack-based buffer overflow in image_load_bmp() in HTMLDOC <= 1.9.13 results in remote code execution if the victim converts an HTML document linking to a crafted BMP file.

Affected

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

Remediation

No guide yet

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

References (5)

x_refsource_MISCRelease NotesThird Party Advisory
https://github.com/michaelrsweet/htmldoc/compare/v1.9.12...v1.9.13
x_refsource_MISCExploitIssue TrackingPatchThird Party Advisory
https://github.com/michaelrsweet/htmldoc/issues/453
x_refsource_MISCExploitIssue TrackingPatchThird Party Advisory
https://github.com/michaelrsweet/htmldoc/issues/456
Mailing Listx_refsource_MLISTThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/02/msg00022.html

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-787

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