SB20240806336 - Amazon Linux AMI update for harfbuzz

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Main Vulnerability Database SB20240806336

SB20240806336 - Amazon Linux AMI update for harfbuzz

Published: August 6, 2024

Security Bulletin ID SB20240806336
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Integer overflow (CVE-ID: CVE-2022-33068)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to integer overflow in hb-ot-shape-fallback.cc. A remote attacker can pass specially crafted data to the application, trigger integer overflow and crash the application.


2) Input validation error (CVE-ID: CVE-2023-25193)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in hb-ot-layout-gsubgpos.hh. A remote attacker can use consecutive marks during the process of looking back for base glyphs when attaching marks and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References