{"id":"UBUNTU-CVE-2026-89162","details":"In PCRE2 before 10.48, pcre2_serialize_encode might disclose two bytes to an adversary, typically in a situation where the access available to the adversary is already unsafe.","modified":"2026-11-04T03:30:33.828710225Z","published":"2026-09-11T05:16:00Z","related":["USN-8974-1"],"upstream":["CVE-2026-89162"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-89162"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-89162"},{"type":"REPORT","url":"https://github.com/PCRE2Project/pcre2/security/advisories/GHSA-q7rw-r7qq-2hx6"},{"type":"REPORT","url":"https://github.com/PCRE2Project/pcre2/commit/edc111a6831591f68b5355a08cc9df8be8f35304"},{"type":"REPORT","url":"https://github.com/PCRE2Project/pcre2/releases/tag/pcre2-10.48"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8974-1"}],"affected":[{"package":{"name":"pcre2","ecosystem":"Ubuntu:26.10","purl":"pkg:deb/ubuntu/pcre2?arch=source&distro=stonking"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.46-1ubuntu1"}]}],"versions":["10.46-1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"libpcre2-16-0","binary_version":"10.46-1ubuntu1"},{"binary_version":"10.46-1ubuntu1","binary_name":"libpcre2-32-0"},{"binary_version":"10.46-1ubuntu1","binary_name":"libpcre2-8-0"},{"binary_version":"10.46-1ubuntu1","binary_name":"libpcre2-posix3"},{"binary_version":"10.46-1ubuntu1","binary_name":"pcre2-utils"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-89162.json"}},{"package":{"name":"pcre2","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/pcre2?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.46-1ubuntu0.1"}]}],"versions":["10.46-1","10.46-1build1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libpcre2-16-0","binary_version":"10.46-1ubuntu0.1"},{"binary_version":"10.46-1ubuntu0.1","binary_name":"libpcre2-32-0"},{"binary_name":"libpcre2-8-0","binary_version":"10.46-1ubuntu0.1"},{"binary_version":"10.46-1ubuntu0.1","binary_name":"libpcre2-posix3"},{"binary_version":"10.46-1ubuntu0.1","binary_name":"pcre2-utils"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-89162.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}