# DEBIAN-CVE-2026-17543: Security update for 2 packages

DEBIAN-CVE-2026-17543, released August 1, 2026, fixes 1 CVE across 2 products. None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/linux/debian-cve-2026-17543
- Platform: Linux
- Released: Aug 1, 2026
- Priority: Urgent (Closes CVE-2026-17543, rated Critical)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://security-tracker.debian.org/tracker/CVE-2026-17543

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [php8.2](https://patchblox.com/security/data/product/linux/php8.2.md) | Debian 12.15 (bookworm) | 8.2.33-1~deb12u1 |
| [php8.4](https://patchblox.com/security/data/product/linux/php8.4.md) | Debian 13.5 (trixie) | 8.4.24-1~deb13u1 |
| [php8.4](https://patchblox.com/security/data/product/linux/php8.4.md) | Debian 14 | 8.4.24-1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-17543](https://patchblox.com/security/data/cve/CVE-2026-17543.md) | Urgent | php8.4: Improper escaping of backslashes in attacker-provided parameters would allow for trivial SQL injection in PHP version... | 9.8 | 0.0033 |  |

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Data as of 2026-11-07T06:34:28Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo