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SUSE 2026 0690-1 Libsoup Important Denial Of Service Buffer Overread Fix

suse
Calendar Grey February 27, 2026
Dist Suse Esm H88
Four important vulnerabilities have been addressed in libsoup with this SUSE update. Immediate installation is recommended for protection.
An update that solves four vulnerabilities can now be installed.

Summary

## This update for libsoup fixes the following issues: * CVE-2025-32049: denial of Service attack to websocket server (bsc#1240751). * CVE-2026-2369: buffer overread due to integer underflow when handling zero- length resources (bsc#1258120). * CVE-2026-2443: out-of-bounds read when processing specially crafted HTTP Range headers can lead to heap information disclosure to remote attackers (bsc#1258170). * CVE-2026-2708: HTTP request smuggling via duplicate Content-Length headers (bsc#1258508). ## 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-2026-690=1 openSUSE-SLE-15.6-2026-690=1

Topics%20covered

Topics Covered

security advisory denial of service SuSE important libsoup buffer overread

References

* bsc#1240751

* bsc#1258120

* bsc#1258170

* bsc#1258508

Cross-

* CVE-2025-32049

* CVE-2026-2369

* CVE-2026-2443

* CVE-2026-2708

CVSS scores:

* CVE-2025-32049 ( SUSE ): 7.1

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

* CVE-2025-32049 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2025-32049 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-2369 ( SUSE ): 6.9

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

* CVE-2026-2369 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

* CVE-2026-2443 ( SUSE ): 6.3

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

* CVE-2026-2443 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0690-1
Release Date: 2026-02-27T15:11:11Z
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service SuSE important libsoup buffer overread

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