CVE-2019-20454

01/תיאור (מקור, אנגלית)

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.

02/מוצרים מושפעים

pcre: pcre2; fedoraproject: fedora; splunk: universal forwarder

03/קישורים10

• bugzilla.redhat.com/show_bug.cgi?id=1735494 Issue TrackingPatchThird Party Advisory
• vcs.pcre.org/pcre2?view=revision&revision=1092 Broken LinkPatch
• bugzilla.redhat.com/show_bug.cgi?id=1735494 Issue TrackingPatchThird Party Advisory
• vcs.pcre.org/pcre2?view=revision&revision=1092 Broken LinkPatch
• bugs.php.net/bug.php?id=78338 ExploitIssue TrackingThird Party Advisory
• bugs.php.net/bug.php?id=78338 ExploitIssue TrackingThird Party Advisory
• bugs.exim.org/show_bug.cgi?id=2421 Issue TrackingPermissions RequiredThird Party Advisory
• lists.debian.org/debian-lts-announce/2023/03/msg00014.html Mailing ListThird Party Advisory
• lists.fedoraproject.org/archives/list/package-announce%40lists‮… Mailing ListThird Party Advisory
• security.gentoo.org/glsa/202006-16 Third Party Advisory