Vulnerability Description
A flaw was found in the cookie date handling logic of the libsoup HTTP library, widely used by GNOME and other applications for web communication. When processing cookies with specially crafted expiration dates, the library may perform an out-of-bounds memory read. This flaw could result in unintended disclosure of memory contents, potentially exposing sensitive information from the process using libsoup.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://access.redhat.com/errata/RHSA-2025:18183
- https://access.redhat.com/errata/RHSA-2025:19713
- https://access.redhat.com/errata/RHSA-2025:19714
- https://access.redhat.com/errata/RHSA-2025:20959
- https://access.redhat.com/errata/RHSA-2025:21032
- https://access.redhat.com/errata/RHSA-2025:21655
- https://access.redhat.com/errata/RHSA-2025:21656
- https://access.redhat.com/errata/RHSA-2025:21657
- https://access.redhat.com/errata/RHSA-2025:21664
- https://access.redhat.com/errata/RHSA-2025:21665
- https://access.redhat.com/errata/RHSA-2025:21666
- https://access.redhat.com/errata/RHSA-2025:21772
- https://access.redhat.com/errata/RHSA-2025:22013
- https://access.redhat.com/security/cve/CVE-2025-11021
- https://bugzilla.redhat.com/show_bug.cgi?id=2399627
FAQ
What is CVE-2025-11021?
CVE-2025-11021 is a vulnerability with a CVSS score of 7.5 (HIGH). A flaw was found in the cookie date handling logic of the libsoup HTTP library, widely used by GNOME and other applications for web communication. When processing cookies with specially crafted expira...
How severe is CVE-2025-11021?
CVE-2025-11021 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-11021?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.