SUSE 2026-0657-1 libsoup2 Important Denial of Service Attack
suse
February 26, 2026
An update that solves four vulnerabilities can now be installed.
Summary
## This update for libsoup2 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-2026-657=1 openSUSE-SLE-15.6-2026-657=1
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
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Announcement ID: SUSE-SU-2026:0657-1
Release Date: 2026-02-26T15:07:21Z
Rating: important
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