PT-2025-39526 · Libsoup · Libsoup

Published 2025-09-26 · Updated 2025-09-26 · CVE-2025-11021

Positive Technologies · (AI Summary)

CVSS v3.1

7.5

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

**Name of the Vulnerable Software and Affected Versions**

libsoup (affected versions not specified)

**Description**

A flaw exists in the cookie date handling logic of the libsoup HTTP library. Processing cookies with crafted expiration dates may lead to an out-of-bounds memory read, potentially exposing sensitive information from the process using libsoup.

**Recommendations**

At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2025-11021

Affected Products

Libsoup

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2025-11021 · Security Note
• https://access.redhat.com/security/cve/CVE-2025-11021 · Note
• https://twitter.com/ZeroPathLabs/status/1971511255341978037 · Twitter Post
• https://twitter.com/CVEnew/status/1971499163641889146 · Twitter Post
• https://bugzilla.redhat.com/show_bug.cgi?id=2399627 · Note