{"id":"USN-8467-1","summary":"perl vulnerabilities","details":"It was discovered that Perl's Archive::Tar module incorrectly handled\nsymlink  and hardlink targets during extraction. An attacker could use this\nissue to read or overwrite arbitrary files outside the extraction\ndirectory. (CVE-2026-42496)\n\nIt was discovered that Perl had a heap buffer overflow when compiling\nregular expressions with a repeated fixed string on 32-bit builds. An\nattacker could use this issue to cause a denial of service or possibly\nexecute arbitrary code. (CVE-2026-8376)","modified":"2026-06-24T19:59:13.147029104Z","published":"2026-06-24T13:14:42Z","related":["UBUNTU-CVE-2026-42496","UBUNTU-CVE-2026-8376"],"upstream":["CVE-2026-8376","UBUNTU-CVE-2026-8376"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8467-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-8376"}],"affected":[{"package":{"name":"perl","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/perl?arch=source&distro=esm-infra-legacy%2Ftrusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.18.2-2ubuntu1.7+esm7"}]}],"versions":["5.14.2-21build1","5.18.1-4","5.18.1-4build1","5.18.1-5","5.18.2-2","5.18.2-2ubuntu1","5.18.2-2ubuntu1.1","5.18.2-2ubuntu1.3","5.18.2-2ubuntu1.4","5.18.2-2ubuntu1.6","5.18.2-2ubuntu1.7","5.18.2-2ubuntu1.7+esm3","5.18.2-2ubuntu1.7+esm4","5.18.2-2ubuntu1.7+esm5"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro","binaries":[{"binary_name":"libcgi-fast-perl","binary_version":"5.18.2-2ubuntu1.7+esm7"},{"binary_name":"libperl5.18","binary_version":"5.18.2-2ubuntu1.7+esm7"},{"binary_name":"perl","binary_version":"5.18.2-2ubuntu1.7+esm7"},{"binary_name":"perl-base","binary_version":"5.18.2-2ubuntu1.7+esm7"},{"binary_name":"perl-debug","binary_version":"5.18.2-2ubuntu1.7+esm7"},{"binary_name":"perl-modules","binary_version":"5.18.2-2ubuntu1.7+esm7"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8467-1.json","cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-8376"}],"ecosystem":"Ubuntu:Pro:14.04:LTS"}}},{"package":{"name":"perl","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/perl?arch=source&distro=esm-infra-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.22.1-9ubuntu0.9+esm2"}]}],"versions":["5.20.2-6","5.22.1-3","5.22.1-4","5.22.1-5","5.22.1-7","5.22.1-8","5.22.1-9","5.22.1-9ubuntu0.2","5.22.1-9ubuntu0.3","5.22.1-9ubuntu0.5","5.22.1-9ubuntu0.6","5.22.1-9ubuntu0.9","5.22.1-9ubuntu0.9+esm1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro","binaries":[{"binary_name":"libperl5.22","binary_version":"5.22.1-9ubuntu0.9+esm2"},{"binary_name":"perl","binary_version":"5.22.1-9ubuntu0.9+esm2"},{"binary_name":"perl-base","binary_version":"5.22.1-9ubuntu0.9+esm2"},{"binary_name":"perl-debug","binary_version":"5.22.1-9ubuntu0.9+esm2"},{"binary_name":"perl-modules-5.22","binary_version":"5.22.1-9ubuntu0.9+esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8467-1.json","cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-8376"}],"ecosystem":"Ubuntu:Pro:16.04:LTS"}}},{"package":{"name":"perl","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/perl?arch=source&distro=esm-infra%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.26.1-6ubuntu0.7+esm2"}]}],"versions":["5.26.0-8ubuntu1","5.26.1-2ubuntu1","5.26.1-3","5.26.1-4","5.26.1-4build1","5.26.1-5","5.26.1-6","5.26.1-6ubuntu0.1","5.26.1-6ubuntu0.2","5.26.1-6ubuntu0.3","5.26.1-6ubuntu0.5","5.26.1-6ubuntu0.6","5.26.1-6ubuntu0.7"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"libperl5.26","binary_version":"5.26.1-6ubuntu0.7+esm2"},{"binary_name":"perl","binary_version":"5.26.1-6ubuntu0.7+esm2"},{"binary_name":"perl-base","binary_version":"5.26.1-6ubuntu0.7+esm2"},{"binary_name":"perl-debug","binary_version":"5.26.1-6ubuntu0.7+esm2"},{"binary_name":"perl-modules-5.26","binary_version":"5.26.1-6ubuntu0.7+esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8467-1.json","cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-8376"}],"ecosystem":"Ubuntu:Pro:18.04:LTS"}}},{"package":{"name":"perl","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/perl?arch=source&distro=esm-infra%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.30.0-9ubuntu0.5+esm2"}]}],"versions":["5.28.1-6build1","5.30.0-7","5.30.0-9","5.30.0-9build1","5.30.0-9ubuntu0.2","5.30.0-9ubuntu0.3","5.30.0-9ubuntu0.4","5.30.0-9ubuntu0.5"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"libperl5.30","binary_version":"5.30.0-9ubuntu0.5+esm2"},{"binary_name":"perl","binary_version":"5.30.0-9ubuntu0.5+esm2"},{"binary_name":"perl-base","binary_version":"5.30.0-9ubuntu0.5+esm2"},{"binary_name":"perl-debug","binary_version":"5.30.0-9ubuntu0.5+esm2"},{"binary_name":"perl-modules-5.30","binary_version":"5.30.0-9ubuntu0.5+esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8467-1.json","cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-8376"}],"ecosystem":"Ubuntu:Pro:20.04:LTS"}}}],"schema_version":"1.7.5"}