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SUSE: ruby2.5 Moderate HTTP Exploitation Advisory SUSE-SU-2025:02739-1

suse
Calendar Grey August 8, 2025
Dist Suse Esm H88
SUSE has issued a security advisory for ruby2.5, addressing critical HTTP exploitation issues. Update promptly!
* bsc#1237805 * bsc#1245254 Cross-References: * CVE-2025-27221

Summary

## This update for ruby2.5 fixes the following issues: * CVE-2025-6442: Fixed read_header HTTP Request Smuggling Vulnerability in WEBrick (bsc#1245254) * CVE-2025-27221: Fixed userinfo leakage in URI#join, URI#merge and URI#+ (bsc#1237805) ## 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 openSUSE-SLE-15.6-2025-2739=1 * Basesystem Module 15-SP6 zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP6-2025-2739=1 ## Package List: * openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64) * libruby2_5-2_5-debuginfo-2.5.9-150000.4.46.1 * ruby2.5-stdlib-2.5.9-150000.4.46.1 * ruby2.5-2.5.9-150000.4.46.1

Topics%20covered

Topics Covered

security advisory moderate SuSE ruby userinfo leakage http exploitation

References

* bsc#1237805

* bsc#1245254

Cross-

* CVE-2025-27221

* CVE-2025-6442

CVSS scores:

* CVE-2025-27221 ( SUSE ): 5.9

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

* CVE-2025-27221 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

* CVE-2025-27221 ( NVD ): 3.2 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N

* CVE-2025-27221 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

* CVE-2025-6442 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N

* CVE-2025-6442 ( NVD ): 6.5 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N

Affected Products:

* Basesystem Module 15-SP6

* openSUSE Leap 15.6

* SUSE Linux Enterprise Desktop 15 SP6

* SUSE Linux Enterprise Real Time 15 SP6

* SUSE Linux Enterprise Server 15 SP6

* SUSE Linux Enterprise Server for SAP Applications 15 SP6

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:02739-1
Release Date: 2025-08-08T09:11:30Z
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate SuSE ruby userinfo leakage http exploitation

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