pcre has 10 CVEs on record between 2020 and 2026. Disclosure cadence is accelerating: 8 in the last 90 days against 0 in the 90 before. The busiest recent month was September 2026 with 8. The median CVSS is 6.1 (medium). None have a confirmed exploitation report. The dominant weakness classes are CWE-125 (4) and CWE-787 (4). Most affected products: PCRE2 (8), pcre (2).
CVEs per month
Last 12 months, by publish date
- Exploited share
- 0% vs 1% corpus
- Median CVSS
- 6.1
- Publish → KEV
- —
- Last 90 days
- 8 prev 0
Weakness classes
Products
- PCRE2 8
- pcre 2
Worst active — by depth score
CVE-2026-103111High· 7.6PCRE2 before 10.49, when there is an attacker-controlled regular expression and certain JIT API usage, allows an out-of-bounds write with arbitrary data.54CVE-2026-86145High· 8.2PCRE2 before 10.48 allows a pcre2_dfa_match out-of-bounds write because reuse of a cached workspace block, in a recursive DFA matching workspace, lacks a size check (even though a newly allocated block, for the same purpose, does have a …45CVE-2026-89157Medium· 5.7PCRE2 before 10.48, on 32-bit platforms, has a pcre2_pattern_convert out-of-bounds write when an attacker can provide a large pattern.43CVE-2019-20838High· 7.5libpcre 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-2019-20454.42CVE-2026-89161High· 7.4In PCRE2 before 10.48, pcre2_jit_match mishandles a previously copied subject being passed in as a context41
PCRE vulnerabilities
CVEs affecting PCRE, newest first. Open any entry for full detail, references, and exploit status.
10 CVEsRSS
CVE-2026-103111High· 7.6PoCPCRE2 before 10.49, when there is an attacker-controlled regular expression and certain JIT API usage, allows an out-of-bounds write with arbitrary data.
PCRE2 before 10.49, when there is an attacker-controlled regular expression and certain JIT API usage, allows an out-of-bounds write with arbitrary data.
CVE-2026-89161High· 7.4In PCRE2 before 10.48, pcre2_jit_match mishandles a previously copied subject being passed in as a context
In PCRE2 before 10.48, pcre2_jit_match mishandles a previously copied subject being passed in as a context. An incorrect free operation can occur.
CVE-2026-89158Medium· 6.5PCRE2 before 10.48, on 32-bit platforms, has a pcre2_compile_32 integer overflow and resultant out-of-bounds write.
PCRE2 before 10.48, on 32-bit platforms, has a pcre2_compile_32 integer overflow and resultant out-of-bounds write.
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.
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.
CVE-2026-89160Low· 3.7PoCPCRE2 before 10.48 has a pcre2_match out-of-bounds read during the PCRE2_MATCH_INVALID_UTF matching of an invalid UTF subject.
PCRE2 before 10.48 has a pcre2_match out-of-bounds read during the PCRE2_MATCH_INVALID_UTF matching of an invalid UTF subject.
CVE-2026-89157Medium· 5.7PoCPCRE2 before 10.48, on 32-bit platforms, has a pcre2_pattern_convert out-of-bounds write when an attacker can provide a large pattern.
PCRE2 before 10.48, on 32-bit platforms, has a pcre2_pattern_convert out-of-bounds write when an attacker can provide a large pattern.
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.
PCRE2 before 10.48 has a pcre2_match out-of-bounds read after a JIT fallback when an attacker can provide invalid UTF data.
CVE-2026-86145High· 8.2PCRE2 before 10.48 allows a pcre2_dfa_match out-of-bounds write because reuse of a cached workspace block, in a recursive DFA matching workspace, lacks a size check (even though a newly allocated block, for the same purpose, does have a …
PCRE2 before 10.48 allows a pcre2_dfa_match out-of-bounds write because reuse of a cached workspace block, in a recursive DFA matching workspace, lacks a size check (even though a newly allocated block, for the same purpose, does have a …
CVE-2019-20838High· 7.5libpcre 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.
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.
CVE-2020-14155Medium· 5.3libpcre in PCRE before 8.44 allows an integer overflow via a large number after a (?C substring.
libpcre in PCRE before 8.44 allows an integer overflow via a large number after a (?C substring.