{"id":"USN-8675-1","summary":"perl vulnerabilities","details":"It was discovered that Perl incorrectly handled short source addresses\nin the Socket module. An attacker could possibly use this issue to\ntrigger an out-of-bounds heap read, resulting in information disclosure.\n(CVE-2026-12087)\n\nIt was discovered that Perl incorrectly handled regular expressions\ncontaining a large number of fixed string alternatives. An attacker\ncould possibly use this issue to cause incorrect regular expression\nmatches, resulting in security restrictions being bypassed.\n(CVE-2026-13221)\n\nIt was discovered that Perl incorrectly handled certain large repeat\ncounts when processing pack and unpack templates. An attacker could\npossibly use this issue to trigger an out-of-bounds heap read, resulting\nin information disclosure. (CVE-2026-57432)\n\nIt was discovered that Perl incorrectly handled certain crafted data\nwhen deserializing with the Storable module. An attacker could possibly\nuse this issue to trigger an integer overflow and application\ntermination, resulting in a denial of service. (CVE-2026-57433)","modified":"2026-08-26T02:15:08.478103723Z","published":"2026-08-25T14:55:08Z","related":["UBUNTU-CVE-2026-12087","UBUNTU-CVE-2026-13221","UBUNTU-CVE-2026-57432","UBUNTU-CVE-2026-57433"],"upstream":["CVE-2026-12087","CVE-2026-13221","CVE-2026-57432","CVE-2026-57433","UBUNTU-CVE-2026-12087","UBUNTU-CVE-2026-13221","UBUNTU-CVE-2026-57432","UBUNTU-CVE-2026-57433"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8675-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-12087"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-13221"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-57432"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-57433"}],"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+esm8"}]}],"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","5.18.2-2ubuntu1.7+esm7"],"ecosystem_specific":{"binaries":[{"binary_name":"libcgi-fast-perl","binary_version":"5.18.2-2ubuntu1.7+esm8"},{"binary_name":"libperl5.18","binary_version":"5.18.2-2ubuntu1.7+esm8"},{"binary_version":"5.18.2-2ubuntu1.7+esm8","binary_name":"perl"},{"binary_version":"5.18.2-2ubuntu1.7+esm8","binary_name":"perl-base"},{"binary_version":"5.18.2-2ubuntu1.7+esm8","binary_name":"perl-debug"},{"binary_version":"5.18.2-2ubuntu1.7+esm8","binary_name":"perl-modules"}],"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:14.04:LTS","cves":[{"id":"CVE-2026-12087","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-2026-13221","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-57432","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-57433","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":"medium","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8675-1.json"}},{"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+esm3"}]}],"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","5.22.1-9ubuntu0.9+esm2"],"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+esm3"},{"binary_name":"perl","binary_version":"5.22.1-9ubuntu0.9+esm3"},{"binary_name":"perl-base","binary_version":"5.22.1-9ubuntu0.9+esm3"},{"binary_version":"5.22.1-9ubuntu0.9+esm3","binary_name":"perl-debug"},{"binary_name":"perl-modules-5.22","binary_version":"5.22.1-9ubuntu0.9+esm3"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[{"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"}],"id":"CVE-2026-12087"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-13221"},{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-57432"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-57433"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8675-1.json"}},{"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+esm3"}]}],"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","5.26.1-6ubuntu0.7+esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"libperl5.26","binary_version":"5.26.1-6ubuntu0.7+esm3"},{"binary_name":"perl","binary_version":"5.26.1-6ubuntu0.7+esm3"},{"binary_name":"perl-base","binary_version":"5.26.1-6ubuntu0.7+esm3"},{"binary_version":"5.26.1-6ubuntu0.7+esm3","binary_name":"perl-debug"},{"binary_name":"perl-modules-5.26","binary_version":"5.26.1-6ubuntu0.7+esm3"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[{"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"}],"id":"CVE-2026-12087"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-13221"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-57432"},{"id":"CVE-2026-57433","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8675-1.json"}},{"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+esm3"}]}],"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","5.30.0-9ubuntu0.5+esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"libperl5.30","binary_version":"5.30.0-9ubuntu0.5+esm3"},{"binary_version":"5.30.0-9ubuntu0.5+esm3","binary_name":"perl"},{"binary_version":"5.30.0-9ubuntu0.5+esm3","binary_name":"perl-base"},{"binary_name":"perl-debug","binary_version":"5.30.0-9ubuntu0.5+esm3"},{"binary_version":"5.30.0-9ubuntu0.5+esm3","binary_name":"perl-modules-5.30"}],"availability":"Available 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