CVE-2019-20838High· 7.5▾ Twilightlibpcre in PCRE before 8.43 allows a subject buffer over-read in JIT when UTF is disabled, and \X or \R has more than one fixed quantifier, a related issue to CVE-2019-20454.
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 41.3 · likelihood 0.6 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Oct 8.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
2.8%
libpcre in PCRE before 8.43 allows a subject buffer over-read in JIT when UTF is disabled, and \X or \R has more than one fixed quantifier, a related issue to CVE-2019-20454.
pcre < 8.43macos < 11.0.1universal_forwarder >= 8.2.0, < 8.2.12universal_forwarder >= 9.0.0, < 9.0.6universal_forwarder = 9.1.0Upgrade past the affected range:
pcre 8.43macos 11.0.1universal_forwarder 9.0.6Connected by shared product, vendor, weakness, or advisory.
CVE-2020-14155Medium· 5.3libpcre in PCRE before 8.44 allows an integer overflow via a large number after a (?C substring.
CVE-2026-89162Low· 2.9In 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.
CVE-2026-89160Low· 3.7PCRE2 before 10.48 has a pcre2_match out-of-bounds read during the PCRE2_MATCH_INVALID_UTF matching of an invalid UTF subject.
CVE-2026-89156Low· 2.9PCRE2 before 10.48 has a pcre2_match out-of-bounds read after a JIT fallback when an attacker can provide invalid UTF data.
CVE-2020-24977Medium· 6.5GNOME project libxml2 v2.9.10 has a global buffer over-read vulnerability in xmlEncodeEntitiesInternal at libxml2/entities.c
CVE-2019-25013Medium· 5.9The iconv feature in the GNU C Library (aka glibc or libc6) through 2.32, when processing invalid multi-byte input sequences in the EUC-KR encoding, may have a buffer over-read.