| Release Date: | 2026-09-11 | |
| Impact: | Moderate | What is this? |
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.
See more information about CVE-2026-89157 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
| Base Score: | 5.7 |
| Vector String: | CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L |
| Version: | 3.1 |
| Attack Vector: | Local |
| Attack Complexity: | High |
| Privileges Required: | None |
| User Interaction: | None |
| Scope: | Unchanged |
| Confidentiality Impact: | None |
| Integrity Impact: | High |
| Availability Impact: | Low |
| Platform | Errata | Release Date |
| Oracle Linux version 10 (pcre2) | ELSA-2026-81522 | 2026-10-13 |
| Oracle Linux version 8 (pcre2) | ELSA-2026-81613 | 2026-10-12 |
| Oracle Linux version 9 (pcre2) | ELSA-2026-81532 | 2026-10-13 |
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