SUSE Linux Micro 6.1 dnsmasq Moderate DoS CVE-2026-2291 2026-21633-1
suse
May 15, 2026
An update that solves one vulnerability and has two fixes can now be installed.
Summary
## This update for dnsmasq fixes the following issues: * CVE-2026-2291: Fixed a bug that could have been abused to record false cached data enabling DoS or attacker redirect. (bsc#1258251) ## 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: * SUSE Linux Micro 6.1 zypper in -t patch SUSE-SLE-Micro-6.1-523=1 ## Package List: * SUSE Linux Micro 6.1 (aarch64 ppc64le s390x x86_64) * dnsmasq-debuginfo-2.90-slfo.1.1_2.1 * dnsmasq-debugsource-2.90-slfo.1.1_2.1 * dnsmasq-2.90-slfo.1.1_2.1
Topics Covered
References
* bsc#1235517
* bsc#1235834
* bsc#1258251
Cross-
* CVE-2026-2291
CVSS scores:
* CVE-2026-2291 ( 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-2026-2291 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-2291 ( NVD ): 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Affected Products:
* SUSE Linux Micro 6.1
An update that solves one vulnerability and has two fixes can now be installed.
##
* https://www.suse.com/security/cve/CVE-2026-2291.html
* https://bugzilla.suse.com/show_bug.cgi?id=1235517
* https://bugzilla.suse.com/show_bug.cgi?id=1235834
* https://bugzilla.suse.com/show_bug.cgi?id=1258251
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Announcement ID: SUSE-SU-2026:21633-1
Release Date: 2026-05-12T09:35:20Z
Rating: moderate
Topics Covered
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