CVE-2026-89157
HIGHCVSS 7.4/10EPSS 0.10%
Last modified
CVE-2026-89157 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. 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.. EPSS estimates a 0.10% chance of exploitation in the next 30 days.
Description
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Pcre | Pcre2 | >= 10.30, < 10.48 | — |
| Pcre | Pcre2 | 10.48 | Rc1 |
References
- https://github.com/PCRE2Project/pcre2/security/advisories/GHSA-q8g2-wprr-34m9Exploit, Mitigation, Vendor Advisory
- https://github.com/PCRE2Project/pcre2/security/advisories/GHSA-q8g2-wprr-34m9Exploit, Mitigation, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-89157?
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.
How severe is CVE-2026-89157?
CVE-2026-89157 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 0.10% probability of exploitation in the next 30 days.
How do I fix CVE-2026-89157?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2026-89157?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST