CVE-2026-25506 SUSE CVE security@suse.de SUSE Security Team SUSE CVE-2026-25506 Interim 1 1 2026-03-05T00:16:05Z current 2026-03-05T00:16:05Z 2026-03-05T00:16:05Z cve-database/bin/generate-cvrf-cve.pl 2020-12-27T01:00:00Z CVE-2026-25506 MUNGE is an authentication service for creating and validating user credentials. 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. The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). https://lists.suse.com/pipermail/suse-liberty-linux-updates/2026-February/002519.html E-Mail link for RHSA-2026:2918 https://lists.suse.com/pipermail/suse-liberty-linux-updates/2026-February/002522.html E-Mail link for RHSA-2026:3032 https://lists.suse.com/pipermail/sle-security-updates/2026-February/024127.html E-Mail link for SUSE-SU-2026:0448-1 https://lists.suse.com/pipermail/sle-security-updates/2026-February/024125.html E-Mail link for SUSE-SU-2026:0450-1 https://lists.suse.com/pipermail/sle-security-updates/2026-February/024130.html E-Mail link for SUSE-SU-2026:0451-1 https://lists.suse.com/pipermail/sle-security-updates/2026-February/024147.html E-Mail link for SUSE-SU-2026:0484-1 https://www.suse.com/support/security/rating/ SUSE Security Ratings SUSE Liberty Linux 8 SUSE Liberty Linux 9 SUSE Linux Enterprise Module for HPC 12 SUSE Linux Enterprise Module for HPC 12 SUSE Linux Enterprise Module for HPC 12 SUSE Linux Enterprise Module for HPC 12 SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS SUSE Linux Enterprise Module for HPC 15 SP7 SUSE Linux Enterprise Module for Package Hub 15 SP7 SUSE Linux Enterprise Module for HPC 12 SUSE Linux Enterprise Module for HPC 12 SUSE Linux Enterprise Module for HPC 12 SUSE Linux Enterprise Module for HPC 12 SUSE Linux Enterprise Server 15 SP6-LTSS SUSE Linux Enterprise Module for HPC 12 SUSE Linux Enterprise Module for HPC 12 SUSE Linux Enterprise Module for HPC 12 SUSE Linux Enterprise Module for HPC 12 openSUSE Leap 15.6 openSUSE Tumbleweed libmunge2-0.5.14-3.11.1 libmunge2-0.5.15-150400.18.10.1 libmunge2-0.5.15-150600.25.6.1 libmunge2-0.5.16-150700.3.6.1 libmunge2-0.5.18-1.1 libmunge2-32bit-0.5.15-150600.25.6.1 munge-0.5.13-13.el9_6.1 munge-0.5.13-3.el8_10 munge-0.5.14-3.11.1 munge-0.5.15-150400.18.10.1 munge-0.5.15-150600.25.6.1 munge-0.5.16-150700.3.6.1 munge-0.5.18-1.1 munge-devel-0.5.13-13.el9_6.1 munge-devel-0.5.13-3.el8_10 munge-devel-0.5.14-3.11.1 munge-devel-0.5.15-150400.18.10.1 munge-devel-0.5.15-150600.25.6.1 munge-devel-0.5.16-150700.3.6.1 munge-devel-0.5.18-1.1 munge-devel-32bit-0.5.15-150600.25.6.1 munge-libs-0.5.13-13.el9_6.1 munge-libs-0.5.13-3.el8_10 munge-0.5.13-3.el8_10 as a component of SUSE Liberty Linux 8 munge-devel-0.5.13-3.el8_10 as a component of SUSE Liberty Linux 8 munge-libs-0.5.13-3.el8_10 as a component of SUSE Liberty Linux 8 munge-0.5.13-13.el9_6.1 as a component of SUSE Liberty Linux 9 munge-devel-0.5.13-13.el9_6.1 as a component of SUSE Liberty Linux 9 munge-libs-0.5.13-13.el9_6.1 as a component of SUSE Liberty Linux 9 libmunge2-0.5.15-150400.18.10.1 as a component of SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS munge-0.5.15-150400.18.10.1 as a component of SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS munge-devel-0.5.15-150400.18.10.1 as a component of SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS libmunge2-0.5.15-150400.18.10.1 as a component of SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS munge-0.5.15-150400.18.10.1 as a component of SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS munge-devel-0.5.15-150400.18.10.1 as a component of SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS libmunge2-0.5.15-150400.18.10.1 as a component of SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS munge-0.5.15-150400.18.10.1 as a component of SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS munge-devel-0.5.15-150400.18.10.1 as a component of SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS libmunge2-0.5.15-150400.18.10.1 as a component of SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS munge-0.5.15-150400.18.10.1 as a component of SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS munge-devel-0.5.15-150400.18.10.1 as a component of SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS libmunge2-0.5.14-3.11.1 as a component of SUSE Linux Enterprise Module for HPC 12 munge-0.5.14-3.11.1 as a component of SUSE Linux Enterprise Module for HPC 12 munge-devel-0.5.14-3.11.1 as a component of SUSE Linux Enterprise Module for HPC 12 libmunge2-0.5.16-150700.3.6.1 as a component of SUSE Linux Enterprise Module for HPC 15 SP7 munge-0.5.16-150700.3.6.1 as a component of SUSE Linux Enterprise Module for HPC 15 SP7 munge-devel-0.5.16-150700.3.6.1 as a component of SUSE Linux Enterprise Module for HPC 15 SP7 libmunge2-0.5.16-150700.3.6.1 as a component of SUSE Linux Enterprise Module for Package Hub 15 SP7 munge-0.5.16-150700.3.6.1 as a component of SUSE Linux Enterprise Module for Package Hub 15 SP7 munge-devel-0.5.16-150700.3.6.1 as a component of SUSE Linux Enterprise Module for Package Hub 15 SP7 libmunge2-0.5.15-150600.25.6.1 as a component of SUSE Linux Enterprise Server 15 SP6-LTSS munge-0.5.15-150600.25.6.1 as a component of SUSE Linux Enterprise Server 15 SP6-LTSS munge-devel-0.5.15-150600.25.6.1 as a component of SUSE Linux Enterprise Server 15 SP6-LTSS libmunge2-0.5.15-150600.25.6.1 as a component of openSUSE Leap 15.6 libmunge2-32bit-0.5.15-150600.25.6.1 as a component of openSUSE Leap 15.6 munge-0.5.15-150600.25.6.1 as a component of openSUSE Leap 15.6 munge-devel-0.5.15-150600.25.6.1 as a component of openSUSE Leap 15.6 munge-devel-32bit-0.5.15-150600.25.6.1 as a component of openSUSE Leap 15.6 libmunge2-0.5.18-1.1 as a component of openSUSE Tumbleweed munge-0.5.18-1.1 as a component of openSUSE Tumbleweed munge-devel-0.5.18-1.1 as a component of openSUSE Tumbleweed MUNGE is an authentication service for creating and validating user credentials. 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. CVE-2026-25506 SUSE Liberty Linux 8:munge-0.5.13-3.el8_10 SUSE Liberty Linux 8:munge-devel-0.5.13-3.el8_10 SUSE Liberty Linux 8:munge-libs-0.5.13-3.el8_10 SUSE Liberty Linux 9:munge-0.5.13-13.el9_6.1 SUSE Liberty Linux 9:munge-devel-0.5.13-13.el9_6.1 SUSE Liberty Linux 9:munge-libs-0.5.13-13.el9_6.1 SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:libmunge2-0.5.15-150400.18.10.1 SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:munge-0.5.15-150400.18.10.1 SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:munge-devel-0.5.15-150400.18.10.1 SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:libmunge2-0.5.15-150400.18.10.1 SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:munge-0.5.15-150400.18.10.1 SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:munge-devel-0.5.15-150400.18.10.1 SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS:libmunge2-0.5.15-150400.18.10.1 SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS:munge-0.5.15-150400.18.10.1 SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS:munge-devel-0.5.15-150400.18.10.1 SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS:libmunge2-0.5.15-150400.18.10.1 SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS:munge-0.5.15-150400.18.10.1 SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS:munge-devel-0.5.15-150400.18.10.1 SUSE Linux Enterprise Module for HPC 12:libmunge2-0.5.14-3.11.1 SUSE Linux Enterprise Module for HPC 12:munge-0.5.14-3.11.1 SUSE Linux Enterprise Module for HPC 12:munge-devel-0.5.14-3.11.1 SUSE Linux Enterprise Module for HPC 15 SP7:libmunge2-0.5.16-150700.3.6.1 SUSE Linux Enterprise Module for HPC 15 SP7:munge-0.5.16-150700.3.6.1 SUSE Linux Enterprise Module for HPC 15 SP7:munge-devel-0.5.16-150700.3.6.1 SUSE Linux Enterprise Module for Package Hub 15 SP7:libmunge2-0.5.16-150700.3.6.1 SUSE Linux Enterprise Module for Package Hub 15 SP7:munge-0.5.16-150700.3.6.1 SUSE Linux Enterprise Module for Package Hub 15 SP7:munge-devel-0.5.16-150700.3.6.1 SUSE Linux Enterprise Server 15 SP6-LTSS:libmunge2-0.5.15-150600.25.6.1 SUSE Linux Enterprise Server 15 SP6-LTSS:munge-0.5.15-150600.25.6.1 SUSE Linux Enterprise Server 15 SP6-LTSS:munge-devel-0.5.15-150600.25.6.1 openSUSE Leap 15.6:libmunge2-0.5.15-150600.25.6.1 openSUSE Leap 15.6:libmunge2-32bit-0.5.15-150600.25.6.1 openSUSE Leap 15.6:munge-0.5.15-150600.25.6.1 openSUSE Leap 15.6:munge-devel-0.5.15-150600.25.6.1 openSUSE Leap 15.6:munge-devel-32bit-0.5.15-150600.25.6.1 openSUSE Tumbleweed:libmunge2-0.5.18-1.1 openSUSE Tumbleweed:munge-0.5.18-1.1 openSUSE Tumbleweed:munge-devel-0.5.18-1.1 important 7.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L