# PCRE2Project vulnerabilities

Source: https://junglewise.ai/threats/vendors/pcre2project  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/vendors/pcre2project.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 8 vulnerabilities in PCRE2Project: 0 in the last 7 days and 8 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-103111, was published on 30 September 2026. Nothing in the last four weeks, down from 1 vulnerability in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 8
- All time: 8 (0 critical, 0 exploited in the wild)

## About PCRE2Project

Open-source project that maintains the PCRE2 Perl Compatible Regular Expressions library.

## Latest PCRE2Project vulnerabilities

- [CVE-2026-103111: PCRE2 out-of-bounds write in JIT matching](https://junglewise.ai/threats/cve-2026-103111-pcre2-before-10-49-when-there-is-an-attacker-controlled-regular) (high, CVSS 7.6, published 30 Sep 2026)
- [CVE-2026-89162: PCRE2 uninitialized memory disclosure in pcre2_serialize_encode](https://junglewise.ai/threats/cve-2026-89162-pcre2-uninitialized-memory-disclosure-in-pcre2-serialize-encode) (low, CVSS 2.9, published 11 Sep 2026)
- [CVE-2026-89161: PCRE2 double-free in pcre2_jit_match with copied subject](https://junglewise.ai/threats/cve-2026-89161-pcre2-double-free-in-pcre2-jit-match-with-copied-subject) (high, CVSS 7.4, published 11 Sep 2026)
- [CVE-2026-89160: PCRE2 out-of-bounds read in pcre2_match with invalid UTF](https://junglewise.ai/threats/cve-2026-89160-pcre2-out-of-bounds-read-in-pcre2-match-with-invalid-utf) (low, CVSS 3.7, published 11 Sep 2026)
- [CVE-2026-89158: PCRE2 integer overflow in pcre2_compile_32 on 32-bit systems](https://junglewise.ai/threats/cve-2026-89158-pcre2-integer-overflow-in-pcre2-compile-32-on-32-bit-systems) (medium, CVSS 6.5, published 11 Sep 2026)
- [CVE-2026-89157: PCRE2 out-of-bounds write in pcre2_pattern_convert on 32-bit platforms](https://junglewise.ai/threats/cve-2026-89157-pcre2-out-of-bounds-write-in-pcre2-pattern-convert-on-32-bit) (medium, CVSS 5.7, published 11 Sep 2026)
- [CVE-2026-89156: PCRE2 out-of-bounds read in pcre2_match after JIT fallback](https://junglewise.ai/threats/cve-2026-89156-pcre2-out-of-bounds-read-in-pcre2-match-after-jit-fallback) (low, CVSS 2.9, published 11 Sep 2026)
- [CVE-2026-86145: PCRE2 out-of-bounds write in DFA matching with recursive patterns](https://junglewise.ai/threats/cve-2026-86145-pcre2-out-of-bounds-write-in-dfa-matching-with-recursive-patterns) (high, CVSS 8.2, published 5 Sep 2026)

## Most severe PCRE2Project vulnerabilities

- [CVE-2026-86145: PCRE2 out-of-bounds write in DFA matching with recursive patterns](https://junglewise.ai/threats/cve-2026-86145-pcre2-out-of-bounds-write-in-dfa-matching-with-recursive-patterns) (high, CVSS 8.2, published 5 Sep 2026)
- [CVE-2026-103111: PCRE2 out-of-bounds write in JIT matching](https://junglewise.ai/threats/cve-2026-103111-pcre2-before-10-49-when-there-is-an-attacker-controlled-regular) (high, CVSS 7.6, published 30 Sep 2026)
- [CVE-2026-89161: PCRE2 double-free in pcre2_jit_match with copied subject](https://junglewise.ai/threats/cve-2026-89161-pcre2-double-free-in-pcre2-jit-match-with-copied-subject) (high, CVSS 7.4, published 11 Sep 2026)
- [CVE-2026-89158: PCRE2 integer overflow in pcre2_compile_32 on 32-bit systems](https://junglewise.ai/threats/cve-2026-89158-pcre2-integer-overflow-in-pcre2-compile-32-on-32-bit-systems) (medium, CVSS 6.5, published 11 Sep 2026)
- [CVE-2026-89157: PCRE2 out-of-bounds write in pcre2_pattern_convert on 32-bit platforms](https://junglewise.ai/threats/cve-2026-89157-pcre2-out-of-bounds-write-in-pcre2-pattern-convert-on-32-bit) (medium, CVSS 5.7, published 11 Sep 2026)
- [CVE-2026-89160: PCRE2 out-of-bounds read in pcre2_match with invalid UTF](https://junglewise.ai/threats/cve-2026-89160-pcre2-out-of-bounds-read-in-pcre2-match-with-invalid-utf) (low, CVSS 3.7, published 11 Sep 2026)
- [CVE-2026-89156: PCRE2 out-of-bounds read in pcre2_match after JIT fallback](https://junglewise.ai/threats/cve-2026-89156-pcre2-out-of-bounds-read-in-pcre2-match-after-jit-fallback) (low, CVSS 2.9, published 11 Sep 2026)
- [CVE-2026-89162: PCRE2 uninitialized memory disclosure in pcre2_serialize_encode](https://junglewise.ai/threats/cve-2026-89162-pcre2-uninitialized-memory-disclosure-in-pcre2-serialize-encode) (low, CVSS 2.9, published 11 Sep 2026)

## Vulnerabilities per week

Nothing in the last four weeks, down from 1 vulnerability in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 1 | 0 | 0 |
| 7 Sep 2026 | 6 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 1 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "PCRE2Project vulnerabilities", https://junglewise.ai/threats/vendors/pcre2project, 9 November 2026.