{"id":"CVE-2019-20454","details":"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.","modified":"2026-04-16T00:08:17.451408265Z","published":"2020-02-14T14:15:10.593Z","related":["ALSA-2020:3662","ALSA-2020:4539","SUSE-SU-2022:2649-1","openSUSE-SU-2022:2649-1"],"database_specific":{"unresolved_ranges":[{"cpe":"cpe:2.3:a:splunk:universal_forwarder:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"8.2.0"},{"fixed":"8.2.12"},{"introduced":"9.0.0"},{"fixed":"9.0.6"}],"source":"CPE_FIELD"},{"cpe":"cpe:2.3:a:splunk:universal_forwarder:9.1.0:*:*:*:*:*:*:*","extracted_events":[{"last_affected":"9.1.0"}],"source":"CPE_FIELD"},{"cpe":"cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*","extracted_events":[{"last_affected":"31"}],"source":"CPE_FIELD"}]},"references":[{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2023/03/msg00014.html"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OQRAHYHLRNMBTPR3KXVM27NSZP3KTOPI/"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202006-16"},{"type":"REPORT","url":"https://bugs.exim.org/show_bug.cgi?id=2421"},{"type":"REPORT","url":"https://bugs.php.net/bug.php?id=78338"},{"type":"FIX","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1735494"},{"type":"FIX","url":"https://vcs.pcre.org/pcre2?view=revision&revision=1092"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/pcre2project/pcre2","events":[{"introduced":"e296b92d5a082e4365c93e211db6b872eeb7fad8"},{"fixed":"031c07cc61696b69038ccfd61ebb90c50d8e3357"}],"database_specific":{"cpe":"cpe:2.3:a:pcre:pcre2:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"10.31"},{"fixed":"10.34"}],"source":"CPE_FIELD"}}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-20454.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}