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SUSE Advises on libsoup Critical Cookie Handling DoS CVE-2025-11021

suse
Calendar Grey October 23, 2025
Dist Suse Esm H88
A security advisory for SUSE updates addressing an important issue in libsoup affecting multiple distributions.
* bsc#1250562 Cross-References: * CVE-2025-11021

Summary

## This update for libsoup fixes the following issues: * CVE-2025-11021: Ignored invalid date when processing cookies to prevent out- of-bounds read (bsc#1250562). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * openSUSE Leap 15.6 zypper in -t patch SUSE-2025-3753=1 openSUSE-SLE-15.6-2025-3753=1 * Basesystem Module 15-SP6 zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP6-2025-3753=1 * Basesystem Module 15-SP7 zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2025-3753=1 ## Package List: * openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586) * typelib-1_0-Soup-3_0-3.4.4-150600.3.18.1 * libsoup-debugsource-3.4.4-150600.3.18.1

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE important cookie handling libsoup

References

* bsc#1250562

Cross-

* CVE-2025-11021

CVSS scores:

* CVE-2025-11021 ( SUSE ): 8.2

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

* CVE-2025-11021 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

* CVE-2025-11021 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Products:

* Basesystem Module 15-SP6

* Basesystem Module 15-SP7

* openSUSE Leap 15.6

* SUSE Linux Enterprise Desktop 15 SP6

* SUSE Linux Enterprise Desktop 15 SP7

* SUSE Linux Enterprise Real Time 15 SP6

* SUSE Linux Enterprise Real Time 15 SP7

* SUSE Linux Enterprise Server 15 SP6

* SUSE Linux Enterprise Server 15 SP7

* SUSE Linux Enterprise Server for SAP Applications 15 SP6

* SUSE Linux Enterprise Server for SAP Applications 15 SP7

An update that solves one vulnerability can now be installed.

##

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:3753-1
Release Date: 2025-10-23T10:26:49Z
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE important cookie handling libsoup

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