SUSE Linux Micro 6.0 dnsmasq Important Integer Overflow DoS 2026-21626-1
suse
May 15, 2026
An update that solves two vulnerabilities and has two fixes can now be installed.
Summary
## This update for dnsmasq fixes the following issues: Security issues: * CVE-2023-49441: integer overflow via forward_query (bsc#1226091). * CVE-2026-2291: VU#471747: dnsmasq can be abused to record false cached data enabling DoS or attacker redirect (bsc#1258251). Non security issue: * Reintroduce nogroup (bsc#1235517). ## 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 6.0 zypper in -t patch SUSE-SLE-Micro-6.0-703=1 ## Package List: * SUSE Linux Micro 6.0 (aarch64 s390x x86_64) * dnsmasq-debuginfo-2.90-2.1 * dnsmasq-debugsource-2.90-2.1 * dnsmasq-2.90-2.1
Topics Covered
References
* bsc#1226091
* bsc#1235517
* bsc#1235834
* bsc#1258251
Cross-
* CVE-2023-49441
* CVE-2026-2291
CVSS scores:
* CVE-2023-49441 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2023-49441 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2023-49441 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* 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 6.0
An update that solves two vulnerabilities and has two fixes can now be
installed.
##
* https://www.suse.com/security/cve/CVE-2023-49441.html
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Announcement ID: SUSE-SU-2026:21626-1
Release Date: 2026-05-12T09:38:52Z
Rating: important
Topics Covered
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