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SUSE libsoup3 Immediate Security Update Memory Overflow Threat 2026-0574-2

suse
Calendar Grey February 18, 2026
Dist Suse Esm H88
SUSE announces important security update for libsoup2 addressing multiple vulnerabilities. Install recommended patches immediately.
An update that solves three vulnerabilities can now be installed.

Summary

## This update for libsoup2 fixes the following issues: * CVE-2026-1761: incorrect length calculation when parsing of multipart HTTP responses can lead to a stack-based buffer overflow (bsc#1257598). * CVE-2026-0716: improper bounds handling may allow out-of-bounds read (bsc#1256418). * CVE-2025-4476: null pointer dereference may lead to denial of service (bsc#1243422). ## 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-2026-574=1 openSUSE-SLE-15.6-2026-574=1 * Basesystem Module 15-SP7 zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-574=1 * SUSE Linux Enterprise Server 15 SP6 LTSS

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow SuSE important out-of-bounds

References

* bsc#1243422

* bsc#1256418

* bsc#1257598

Cross-

* CVE-2025-4476

* CVE-2026-0716

* CVE-2026-1761

CVSS scores:

* CVE-2025-4476 ( SUSE ): 2.1

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

* CVE-2025-4476 ( SUSE ): 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

* CVE-2025-4476 ( NVD ): 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

* CVE-2026-0716 ( SUSE ): 8.3

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

* CVE-2026-0716 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:L

* CVE-2026-0716 ( NVD ): 4.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L

* CVE-2026-1761 ( SUSE ): 9.2

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

* CVE-2026-1761 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0574-1
Release Date: 2026-02-18T08:03:13Z
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow SuSE important out-of-bounds

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