{"id":"USN-8684-1","summary":"perl vulnerabilities","details":"It was discovered that Perl incorrectly handled certain arguments to\nSocket and pack/unpack functions. An attacker could possibly use this\nissue to read sensitive information from memory.\n(CVE-2026-12087, CVE-2026-57432)\n\nIt was discovered that Perl incorrectly handled regular expressions\nwith a large number of alternation branches. An attacker could\npossibly use this issue to cause incorrect matching results.\n(CVE-2026-13221)\n\nIt was discovered that Perl incorrectly handled certain files. An\nattacker could possibly use this issue to cause a denial of service.\n(CVE-2026-57433, CVE-2025-15649, CVE-2026-48959, CVE-2026-9538)\n\nIt was discovered that Perl incorrectly handled certain inputs. An\nattacker could possibly use this issue to execute arbitrary code.\n(CVE-2026-48962)\n\nIt was discovered that Perl incorrectly handled credential headers\nduring cross-origin redirects in HTTP::Tiny. An attacker could\npossibly use this issue to expose sensitive information.\n(CVE-2026-7017)","modified":"2026-08-31T17:26:26.312880608Z","published":"2026-08-27T11:10:17Z","related":["UBUNTU-CVE-2025-15649","UBUNTU-CVE-2026-12087","UBUNTU-CVE-2026-13221","UBUNTU-CVE-2026-48959","UBUNTU-CVE-2026-48962","UBUNTU-CVE-2026-57432","UBUNTU-CVE-2026-57433","UBUNTU-CVE-2026-7017","UBUNTU-CVE-2026-9538"],"upstream":["CVE-2025-15649","CVE-2026-12087","CVE-2026-13221","CVE-2026-48959","CVE-2026-48962","CVE-2026-57432","CVE-2026-57433","CVE-2026-7017","CVE-2026-9538","UBUNTU-CVE-2025-15649","UBUNTU-CVE-2026-12087","UBUNTU-CVE-2026-13221","UBUNTU-CVE-2026-48959","UBUNTU-CVE-2026-48962","UBUNTU-CVE-2026-57432","UBUNTU-CVE-2026-57433","UBUNTU-CVE-2026-7017","UBUNTU-CVE-2026-9538"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8684-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-15649"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-7017"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-9538"},{"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-2026-48959"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-48962"},{"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:24.04:LTS","purl":"pkg:deb/ubuntu/perl?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.38.2-3.2ubuntu0.4"}]}],"versions":["5.36.0-9ubuntu1","5.36.0-10ubuntu1","5.38.2-3","5.38.2-3.2","5.38.2-3.2build1","5.38.2-3.2build2","5.38.2-3.2build2.1","5.38.2-3.2ubuntu0.1","5.38.2-3.2ubuntu0.2","5.38.2-3.2ubuntu0.3"],"ecosystem_specific":{"binaries":[{"binary_name":"libperl5.38t64","binary_version":"5.38.2-3.2ubuntu0.4"},{"binary_name":"perl","binary_version":"5.38.2-3.2ubuntu0.4"},{"binary_version":"5.38.2-3.2ubuntu0.4","binary_name":"perl-base"},{"binary_name":"perl-debug","binary_version":"5.38.2-3.2ubuntu0.4"},{"binary_name":"perl-modules-5.38","binary_version":"5.38.2-3.2ubuntu0.4"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2025-15649"},{"id":"CVE-2026-7017","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-9538","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":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"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"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-48959","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"}]},{"id":"CVE-2026-48962","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","type":"CVSS_V3"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-57432","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"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-57433","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"}]}],"ecosystem":"Ubuntu:24.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8684-1.json"}}],"schema_version":"1.9.0"}