Out-of-Bounds Write Affecting michaelrsweet/htmldoc package, versions [,1.9.19)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    Exploit Maturity
    Proof of concept
    EPSS
    0.06% (29th percentile)

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  • Snyk ID SNYK-UNMANAGED-MICHAELRSWEETHTMLDOC-7856142
  • published 2 Sep 2024
  • disclosed 1 Sep 2024
  • credit WhereisDoujo

How to fix?

Upgrade michaelrsweet/htmldoc to version 1.9.19 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-Bounds Write due to an improper handling of whitespace-only nodes in the parse_paragraph function. An attacker can cause memory corruption by supplying a crafted input that triggers an out-of-bounds write.

CVSS Scores

version 4.0
version 3.1
Expand this section

Snyk

Recommended
8.7 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Attack Requirements (AT)
    None
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Confidentiality (VC)
    None
  • Integrity (VI)
    None
  • Availability (VA)
    High
  • Confidentiality (SC)
    None
  • Integrity (SI)
    None
  • Availability (SA)
    None