{"id":"USN-8719-1","summary":"apr-util vulnerabilities","details":"It was discovered that APR-util incorrectly performed password hash\ncomparisons in a way that was not constant-time.\nAn attacker could possibly use this issue to obtain sensitive information.\n(CVE-2025-49506)\n\nIt was discovered that APR-util incorrectly handled recursive XML element\nquoting. An attacker could possibly use this issue to cause applications\nusing APR-util to crash, resulting in a denial of service.\n(CVE-2026-32327)\n\nIt was discovered that the APR-util Redis client incorrectly handled\ncertain network data, resulting in a heap-based buffer overflow. A remote\nattacker could possibly use this issue to cause APR-util applications to\ncrash or execute arbitrary code. This issue only affected Ubuntu 18.04 LTS,\nUbuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 26.04 LTS.\n(CVE-2026-34501)\n\nIt was discovered that the APR-util memcached client incorrectly handled\ncertain network data, resulting in a heap-based buffer overflow. A remote\nattacker could possibly use this issue to cause APR-util applications to\ncrash or execute arbitrary code. (CVE-2026-34502)","modified":"2026-09-03T22:56:56.444287327Z","published":"2026-09-03T12:35:55Z","related":["UBUNTU-CVE-2025-49506","UBUNTU-CVE-2026-32327","UBUNTU-CVE-2026-34501","UBUNTU-CVE-2026-34502"],"upstream":["CVE-2025-49506","CVE-2026-32327","CVE-2026-34501","CVE-2026-34502","UBUNTU-CVE-2025-49506","UBUNTU-CVE-2026-32327","UBUNTU-CVE-2026-34501","UBUNTU-CVE-2026-34502"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8719-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-49506"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-32327"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-34501"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-34502"}],"affected":[{"package":{"name":"apr-util","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/apr-util?arch=source&distro=esm-infra-legacy%2Ftrusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.3-1ubuntu0.1~esm3"}]}],"versions":["1.5.2-1","1.5.2-1build1","1.5.2-2ubuntu1","1.5.3-1","1.5.3-1ubuntu0.1~esm1","1.5.3-1ubuntu0.1~esm2"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro","binaries":[{"binary_version":"1.5.3-1ubuntu0.1~esm3","binary_name":"libaprutil1"},{"binary_name":"libaprutil1-dbd-mysql","binary_version":"1.5.3-1ubuntu0.1~esm3"},{"binary_name":"libaprutil1-dbd-odbc","binary_version":"1.5.3-1ubuntu0.1~esm3"},{"binary_version":"1.5.3-1ubuntu0.1~esm3","binary_name":"libaprutil1-dbd-pgsql"},{"binary_version":"1.5.3-1ubuntu0.1~esm3","binary_name":"libaprutil1-dbd-sqlite3"},{"binary_version":"1.5.3-1ubuntu0.1~esm3","binary_name":"libaprutil1-ldap"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8719-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:14.04:LTS","cves":[{"id":"CVE-2025-49506","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-32327"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-34501"},{"id":"CVE-2026-34502","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"score":"medium","type":"Ubuntu"}]}]}}},{"package":{"name":"apr-util","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/apr-util?arch=source&distro=esm-infra-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.4-1ubuntu0.1~esm1"}]}],"versions":["1.5.4-1","1.5.4-1build1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro with Legacy support add-on: 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with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[{"id":"CVE-2025-49506","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-32327","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-34501","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-34502"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8719-1.json"}},{"package":{"name":"apr-util","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/apr-util?arch=source&distro=esm-infra%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.1-4ubuntu2.2+esm1"}]}],"versions":["1.6.1-4build1","1.6.1-4ubuntu1","1.6.1-4ubuntu2","1.6.1-4ubuntu2.1","1.6.1-4ubuntu2.2"],"ecosystem_specific":{"availability":"Available 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https://ubuntu.com/pro","binaries":[{"binary_version":"1.6.1-4ubuntu2.2+esm1","binary_name":"libaprutil1"},{"binary_name":"libaprutil1-dbd-mysql","binary_version":"1.6.1-4ubuntu2.2+esm1"},{"binary_version":"1.6.1-4ubuntu2.2+esm1","binary_name":"libaprutil1-dbd-odbc"},{"binary_version":"1.6.1-4ubuntu2.2+esm1","binary_name":"libaprutil1-dbd-pgsql"},{"binary_version":"1.6.1-4ubuntu2.2+esm1","binary_name":"libaprutil1-dbd-sqlite3"},{"binary_name":"libaprutil1-ldap","binary_version":"1.6.1-4ubuntu2.2+esm1"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2025-49506","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-32327","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-34501"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-34502"}],"ecosystem":"Ubuntu:Pro:20.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8719-1.json"}},{"package":{"name":"apr-util","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/apr-util?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.1-5ubuntu4.22.04.3"}]}],"versions":["1.6.1-5ubuntu2","1.6.1-5ubuntu3","1.6.1-5ubuntu4","1.6.1-5ubuntu4.22.04.1","1.6.1-5ubuntu4.22.04.2"],"ecosystem_specific":{"binaries":[{"binary_version":"1.6.1-5ubuntu4.22.04.3","binary_name":"libaprutil1"},{"binary_version":"1.6.1-5ubuntu4.22.04.3","binary_name":"libaprutil1-dbd-mysql"},{"binary_name":"libaprutil1-dbd-odbc","binary_version":"1.6.1-5ubuntu4.22.04.3"},{"binary_version":"1.6.1-5ubuntu4.22.04.3","binary_name":"libaprutil1-dbd-pgsql"},{"binary_name":"libaprutil1-dbd-sqlite3","binary_version":"1.6.1-5ubuntu4.22.04.3"},{"binary_version":"1.6.1-5ubuntu4.22.04.3","binary_name":"libaprutil1-ldap"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:22.04:LTS","cves":[{"id":"CVE-2025-49506","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-32327","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-34501"},{"id":"CVE-2026-34502","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8719-1.json"}},{"package":{"name":"apr-util","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/apr-util?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.3-1.1ubuntu7.1"}]}],"versions":["1.6.3-1ubuntu1","1.6.3-1.1ubuntu5","1.6.3-1.1ubuntu6","1.6.3-1.1ubuntu7"],"ecosystem_specific":{"availability":"No 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required","binaries":[{"binary_version":"1.6.3-1.1ubuntu7.1","binary_name":"libaprutil1-dbd-mysql"},{"binary_name":"libaprutil1-dbd-odbc","binary_version":"1.6.3-1.1ubuntu7.1"},{"binary_name":"libaprutil1-dbd-pgsql","binary_version":"1.6.3-1.1ubuntu7.1"},{"binary_name":"libaprutil1-dbd-sqlite3","binary_version":"1.6.3-1.1ubuntu7.1"},{"binary_name":"libaprutil1-ldap","binary_version":"1.6.3-1.1ubuntu7.1"},{"binary_name":"libaprutil1t64","binary_version":"1.6.3-1.1ubuntu7.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8719-1.json","cves_map":{"ecosystem":"Ubuntu:24.04:LTS","cves":[{"id":"CVE-2025-49506","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"score":"medium","type":"Ubuntu"}]},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-32327"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-34501"},{"id":"CVE-2026-34502","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"score":"medium","type":"Ubuntu"}]}]}}},{"package":{"name":"apr-util","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/apr-util?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.3-3ubuntu3.1"}]}],"versions":["1.6.3-3ubuntu2","1.6.3-3ubuntu3"],"ecosystem_specific":{"availability":"No 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