Updated: 2026-01-10 02:53:52.599125
Description:
In PHP versions 8.1.* before 8.1.34, 8.2.* before 8.2.30, 8.3.* before 8.3.29, 8.4.* before 8.4.16, 8.5.* before 8.5.1 when using the PDO PostgreSQL driver with PDO::ATTR_EMULATE_PREPARES enabled, an invalid character sequence (such as \x99) in a prepared statement parameter may cause the quoting function PQescapeStringConn to return NULL, leading to a null pointer dereference in pdo_parse_params() function. This may lead to crashes (segmentation fault) and affect the availability of the target server.
| Links | NIST | CIRCL | RHEL | Ubuntu |
| Severity | Score | |
|---|---|---|
| CVSS Version 2.x | 0.0 | |
| CVSS Version 3.x | HIGH | 7.5 |
| OS name | Project name | Version | Score | Severity | Status | Errata | Last updated | Statement |
|---|---|---|---|---|---|---|---|---|
| Alpine Linux 3.22 | php | 7.3 | 7.5 | HIGH | Not Vulnerable | 2026-02-16 14:41:22 | ||
| Alpine Linux 3.22 | php | 7.4 | 7.5 | HIGH | Not Vulnerable | 2026-01-23 13:40:08 | ||
| Alpine Linux 3.22 | php | 8.1 | 7.5 | HIGH | Released | CLSA-2026:1771348225 | 2026-02-18 17:42:40 | |
| Debian 10 | php | 8.0 | 7.5 | HIGH | Not Vulnerable | 2026-01-06 08:40:21 | ||
| Debian 10 | php | 5.6 | 7.5 | HIGH | Not Vulnerable | 2026-01-06 08:40:53 | ||
| Debian 10 | php | 7.3 | 7.5 | HIGH | Not Vulnerable | 2026-01-06 08:40:22 | ||
| Debian 10 | php | 8.2 | 7.5 | HIGH | Released | CLSA-2026:1768511374 | 2026-01-15 22:33:03 | |
| Debian 10 | php | 8.1 | 7.5 | HIGH | Released | CLSA-2026:1768510758 | 2026-01-15 22:33:05 | |
| Debian 10 | php | 7.0 | 7.5 | HIGH | Not Vulnerable | 2026-01-06 08:40:24 | ||
| Debian 10 | php | 7.1 | 7.5 | HIGH | Not Vulnerable | 2026-01-06 08:40:23 |