{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"important"},"category":"csaf_security_advisory","csaf_version":"2.0","distribution":{"text":"Copyright 2024 SUSE LLC. All rights reserved.","tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en","notes":[{"category":"summary","text":"Security update for munge","title":"Title of the patch"},{"category":"description","text":"This update for munge fixes the following issues:\n\n- CVE-2026-25506: buffer overflow in message unpacking (bsc#1257651).\n","title":"Description of the patch"},{"category":"details","text":"SUSE-2026-484,SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-484,openSUSE-SLE-15.6-2026-484","title":"Patchnames"},{"category":"legal_disclaimer","text":"CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).","title":"Terms of use"}],"publisher":{"category":"vendor","contact_details":"https://www.suse.com/support/security/contact/","name":"SUSE Product Security Team","namespace":"https://www.suse.com/"},"references":[{"category":"external","summary":"SUSE ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"self","summary":"URL of this CSAF notice","url":"https://ftp.suse.com/pub/projects/security/csaf/suse-su-2026_0484-1.json"},{"category":"self","summary":"URL for SUSE-SU-2026:0484-1","url":"https://www.suse.com/support/update/announcement/2026/suse-su-20260484-1/"},{"category":"self","summary":"E-Mail link for SUSE-SU-2026:0484-1","url":"https://lists.suse.com/pipermail/sle-security-updates/2026-February/024147.html"},{"category":"self","summary":"SUSE Bug 1257651","url":"https://bugzilla.suse.com/1257651"},{"category":"self","summary":"SUSE CVE CVE-2026-25506 page","url":"https://www.suse.com/security/cve/CVE-2026-25506/"}],"title":"Security update for munge","tracking":{"current_release_date":"2026-02-12T18:22:45Z","generator":{"date":"2026-02-12T18:22:45Z","engine":{"name":"cve-database.git:bin/generate-csaf.pl","version":"1"}},"id":"SUSE-SU-2026:0484-1","initial_release_date":"2026-02-12T18:22:45Z","revision_history":[{"date":"2026-02-12T18:22:45Z","number":"1","summary":"Current 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From 0.5 to 0.5.17, local attacker can exploit a buffer overflow vulnerability in munged (the MUNGE authentication daemon) to leak cryptographic key material from process memory. With the leaked key material, the attacker could forge arbitrary MUNGE credentials to impersonate any user (including root) to services that rely on MUNGE for authentication. The vulnerability allows a buffer overflow by sending a crafted message with an oversized address length field, corrupting munged's internal state and enabling extraction of the MAC subkey used for credential verification. This vulnerability is fixed in 0.5.18.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Server 15 SP6-LTSS:libmunge2-0.5.15-150600.25.6.1.aarch64","SUSE Linux Enterprise Server 15 SP6-LTSS:libmunge2-0.5.15-150600.25.6.1.x86_64","SUSE Linux Enterprise Server 15 SP6-LTSS:munge-0.5.15-150600.25.6.1.aarch64","SUSE Linux Enterprise Server 15 SP6-LTSS:munge-0.5.15-150600.25.6.1.x86_64","SUSE Linux Enterprise Server 15 SP6-LTSS:munge-devel-0.5.15-150600.25.6.1.aarch64","SUSE Linux Enterprise Server 15 SP6-LTSS:munge-devel-0.5.15-150600.25.6.1.x86_64","openSUSE Leap 15.6:libmunge2-0.5.15-150600.25.6.1.aarch64","openSUSE Leap 15.6:libmunge2-0.5.15-150600.25.6.1.ppc64le","openSUSE Leap 15.6:libmunge2-0.5.15-150600.25.6.1.s390x","openSUSE Leap 15.6:libmunge2-0.5.15-150600.25.6.1.x86_64","openSUSE Leap 15.6:libmunge2-32bit-0.5.15-150600.25.6.1.x86_64","openSUSE Leap 15.6:munge-0.5.15-150600.25.6.1.aarch64","openSUSE Leap 15.6:munge-0.5.15-150600.25.6.1.ppc64le","openSUSE Leap 15.6:munge-0.5.15-150600.25.6.1.s390x","openSUSE Leap 15.6:munge-0.5.15-150600.25.6.1.x86_64","openSUSE Leap 15.6:munge-devel-0.5.15-150600.25.6.1.aarch64","openSUSE Leap 15.6:munge-devel-0.5.15-150600.25.6.1.ppc64le","openSUSE Leap 15.6:munge-devel-0.5.15-150600.25.6.1.s390x","openSUSE Leap 15.6:munge-devel-0.5.15-150600.25.6.1.x86_64","openSUSE Leap 15.6:munge-devel-32bit-0.5.15-150600.25.6.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2026-25506","url":"https://www.suse.com/security/cve/CVE-2026-25506"},{"category":"external","summary":"SUSE Bug 1257651 for CVE-2026-25506","url":"https://bugzilla.suse.com/1257651"}],"remediations":[{"category":"vendor_fix","details":"To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n","product_ids":["SUSE Linux Enterprise Server 15 SP6-LTSS:libmunge2-0.5.15-150600.25.6.1.aarch64","SUSE Linux Enterprise Server 15 SP6-LTSS:libmunge2-0.5.15-150600.25.6.1.x86_64","SUSE Linux Enterprise Server 15 SP6-LTSS:munge-0.5.15-150600.25.6.1.aarch64","SUSE Linux Enterprise Server 15 SP6-LTSS:munge-0.5.15-150600.25.6.1.x86_64","SUSE Linux Enterprise Server 15 SP6-LTSS:munge-devel-0.5.15-150600.25.6.1.aarch64","SUSE Linux Enterprise Server 15 SP6-LTSS:munge-devel-0.5.15-150600.25.6.1.x86_64","openSUSE Leap 15.6:libmunge2-0.5.15-150600.25.6.1.aarch64","openSUSE Leap 15.6:libmunge2-0.5.15-150600.25.6.1.ppc64le","openSUSE Leap 15.6:libmunge2-0.5.15-150600.25.6.1.s390x","openSUSE Leap 15.6:libmunge2-0.5.15-150600.25.6.1.x86_64","openSUSE Leap 15.6:libmunge2-32bit-0.5.15-150600.25.6.1.x86_64","openSUSE Leap 15.6:munge-0.5.15-150600.25.6.1.aarch64","openSUSE Leap 15.6:munge-0.5.15-150600.25.6.1.ppc64le","openSUSE Leap 15.6:munge-0.5.15-150600.25.6.1.s390x","openSUSE Leap 15.6:munge-0.5.15-150600.25.6.1.x86_64","openSUSE Leap 15.6:munge-devel-0.5.15-150600.25.6.1.aarch64","openSUSE Leap 15.6:munge-devel-0.5.15-150600.25.6.1.ppc64le","openSUSE Leap 15.6:munge-devel-0.5.15-150600.25.6.1.s390x","openSUSE Leap 15.6:munge-devel-0.5.15-150600.25.6.1.x86_64","openSUSE Leap 15.6:munge-devel-32bit-0.5.15-150600.25.6.1.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":7.7,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L","version":"3.1"},"products":["SUSE Linux Enterprise Server 15 SP6-LTSS:libmunge2-0.5.15-150600.25.6.1.aarch64","SUSE Linux Enterprise Server 15 SP6-LTSS:libmunge2-0.5.15-150600.25.6.1.x86_64","SUSE Linux Enterprise Server 15 SP6-LTSS:munge-0.5.15-150600.25.6.1.aarch64","SUSE Linux Enterprise Server 15 SP6-LTSS:munge-0.5.15-150600.25.6.1.x86_64","SUSE Linux Enterprise Server 15 SP6-LTSS:munge-devel-0.5.15-150600.25.6.1.aarch64","SUSE Linux Enterprise Server 15 SP6-LTSS:munge-devel-0.5.15-150600.25.6.1.x86_64","openSUSE Leap 15.6:libmunge2-0.5.15-150600.25.6.1.aarch64","openSUSE Leap 15.6:libmunge2-0.5.15-150600.25.6.1.ppc64le","openSUSE Leap 15.6:libmunge2-0.5.15-150600.25.6.1.s390x","openSUSE Leap 15.6:libmunge2-0.5.15-150600.25.6.1.x86_64","openSUSE Leap 15.6:libmunge2-32bit-0.5.15-150600.25.6.1.x86_64","openSUSE Leap 15.6:munge-0.5.15-150600.25.6.1.aarch64","openSUSE Leap 15.6:munge-0.5.15-150600.25.6.1.ppc64le","openSUSE Leap 15.6:munge-0.5.15-150600.25.6.1.s390x","openSUSE Leap 15.6:munge-0.5.15-150600.25.6.1.x86_64","openSUSE Leap 15.6:munge-devel-0.5.15-150600.25.6.1.aarch64","openSUSE Leap 15.6:munge-devel-0.5.15-150600.25.6.1.ppc64le","openSUSE Leap 15.6:munge-devel-0.5.15-150600.25.6.1.s390x","openSUSE Leap 15.6:munge-devel-0.5.15-150600.25.6.1.x86_64","openSUSE Leap 15.6:munge-devel-32bit-0.5.15-150600.25.6.1.x86_64"]}],"threats":[{"category":"impact","date":"2026-02-12T18:22:45Z","details":"important"}],"title":"CVE-2026-25506"}]}