{"id":"USN-8040-1","summary":"munge vulnerability","details":"Titouan Lazard discovered that MUNGE contained an exploitable buffer\noverflow in munged (the MUNGE authentication daemon). A local attacker\ncould possibly use this issue to forge MUNGE credentials, leading to\narbitrary code execution.","modified":"2026-02-28T06:31:10.112787Z","published":"2026-02-12T18:08:10Z","related":["UBUNTU-CVE-2026-25506"],"upstream":["CVE-2026-25506","UBUNTU-CVE-2026-25506"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8040-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-25506"}],"affected":[{"package":{"name":"munge","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/munge@0.5.11-1ubuntu1.1+esm1?arch=source&distro=esm-infra-legacy/trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.5.11-1ubuntu1.1+esm1"}]}],"versions":["0.5.10-1","0.5.10-1ubuntu1","0.5.11-1","0.5.11-1ubuntu1","0.5.11-1ubuntu1.1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro","binaries":[{"binary_version":"0.5.11-1ubuntu1.1+esm1","binary_name":"libmunge-dev"},{"binary_version":"0.5.11-1ubuntu1.1+esm1","binary_name":"libmunge2"},{"binary_version":"0.5.11-1ubuntu1.1+esm1","binary_name":"munge"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8040-1.json","cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-25506"}],"ecosystem":"Ubuntu:Pro:14.04:LTS"}}},{"package":{"name":"munge","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/munge@0.5.11-3ubuntu0.1+esm1?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.5.11-3ubuntu0.1+esm1"}]}],"versions":["0.5.11-3","0.5.11-3ubuntu0.1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"0.5.11-3ubuntu0.1+esm1","binary_name":"libmunge-dev"},{"binary_version":"0.5.11-3ubuntu0.1+esm1","binary_name":"libmunge2"},{"binary_version":"0.5.11-3ubuntu0.1+esm1","binary_name":"munge"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8040-1.json","cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-25506"}],"ecosystem":"Ubuntu:Pro:16.04:LTS"}}},{"package":{"name":"munge","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/munge@0.5.13-1ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.5.13-1ubuntu0.1~esm1"}]}],"versions":["0.5.12-2","0.5.13-1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"0.5.13-1ubuntu0.1~esm1","binary_name":"libmunge-dev"},{"binary_version":"0.5.13-1ubuntu0.1~esm1","binary_name":"libmunge2"},{"binary_version":"0.5.13-1ubuntu0.1~esm1","binary_name":"munge"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8040-1.json","cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-25506"}],"ecosystem":"Ubuntu:Pro:18.04:LTS"}}},{"package":{"name":"munge","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/munge@0.5.13-2ubuntu0.1~esm1?arch=source&distro=esm-apps/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.5.13-2ubuntu0.1~esm1"}]}],"versions":["0.5.13-2build1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"0.5.13-2ubuntu0.1~esm1","binary_name":"libmunge-dev"},{"binary_version":"0.5.13-2ubuntu0.1~esm1","binary_name":"libmunge2"},{"binary_version":"0.5.13-2ubuntu0.1~esm1","binary_name":"munge"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8040-1.json","cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-25506"}],"ecosystem":"Ubuntu:Pro:20.04:LTS"}}},{"package":{"name":"munge","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/munge@0.5.14-6ubuntu0.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.5.14-6ubuntu0.1"}]}],"versions":["0.5.14-6"],"ecosystem_specific":{"availability":"No subscription 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