SB2025102860 - Out-of-bounds read in libsoup HTTP library



SB2025102860 - Out-of-bounds read in libsoup HTTP library

Published: October 28, 2025

Security Bulletin ID SB2025102860
Severity
Medium
Patch available
NO
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Out-of-bounds read (CVE-ID: CVE-2025-11021)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition when parsing cookies with specially crafted expiration dates. A remote attacker can trick the victim into visiting a specially crafted website, trigger an out-of-bounds read error and read contents of memory on the system.


Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.