{"affected":[{"product":"n/a","source":"CNA: mitre","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"cveId":"CVE-2019-20454","cwes":[],"description":"An out-of-bounds read was discovered in PCRE before 10.34 when the pattern \\X is JIT compiled and used to match specially crafted subjects in non-UTF mode. Applications that use PCRE to parse untrusted input may be vulnerable to this flaw, which would allow an attacker to crash the application. The flaw occurs in do_extuni_no_utf in pcre2_jit_compile.c.","epss":{"date":"2026-11-02","percentile":0.75242,"score":0.01561},"exploits":[],"kev":null,"metrics":[{"score":5.1,"severity":"medium","source":"CNA: mitre","vector":"CVSS:3.0/AC:H/AV:L/A:H/C:N/I:N/PR:N/S:U/UI:N","version":"3.0"}],"modifiedAt":1793641666458,"publishedAt":1581638400000,"references":[{"source":"CNA: mitre","tags":[],"url":"https://bugs.exim.org/show_bug.cgi?id=2421"},{"source":"CNA: mitre","tags":[],"url":"https://bugs.php.net/bug.php?id=78338"},{"source":"CNA: mitre","tags":[],"url":"https://vcs.pcre.org/pcre2?view=revision&revision=1092"},{"source":"CNA: mitre","tags":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1735494"},{"source":"CNA: mitre","tags":["vendor-advisory"],"url":"https://security.gentoo.org/glsa/202006-16"},{"source":"CNA: mitre","tags":["vendor-advisory"],"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OQRAHYHLRNMBTPR3KXVM27NSZP3KTOPI/"},{"source":"CNA: mitre","tags":["mailing-list"],"url":"https://lists.debian.org/debian-lts-announce/2023/03/msg00014.html"},{"source":"ADP: CVE","tags":["x_transferred"],"url":"https://bugs.exim.org/show_bug.cgi?id=2421"},{"source":"ADP: CVE","tags":["x_transferred"],"url":"https://bugs.php.net/bug.php?id=78338"},{"source":"ADP: CVE","tags":["x_transferred"],"url":"https://vcs.pcre.org/pcre2?view=revision&revision=1092"},{"source":"ADP: CVE","tags":["x_transferred"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1735494"},{"source":"ADP: CVE","tags":["vendor-advisory","x_transferred"],"url":"https://security.gentoo.org/glsa/202006-16"},{"source":"ADP: CVE","tags":["vendor-advisory","x_transferred"],"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OQRAHYHLRNMBTPR3KXVM27NSZP3KTOPI/"},{"source":"ADP: CVE","tags":["mailing-list","x_transferred"],"url":"https://lists.debian.org/debian-lts-announce/2023/03/msg00014.html"}],"remediation":[],"revision":"6f586d81d2a63abc8c013a44bd0e76cbd9f7c8570d36a9344573cef639440e64","sources":[{"modifiedAt":1793641666458,"name":"CNA: mitre","retrievedAt":1793642911206,"url":"https://www.cve.org/CVERecord?id=CVE-2019-20454"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793642913539,"url":"https://api.first.org/data/v1/epss?cve=CVE-2019-20454"}],"ssvc":{"assessedAt":1793641643751,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"CVE-2019-20454","updatedAt":1793642913539}