# php-phpseclib3 security updates

Patch Radar has 30 security fixes for php-phpseclib3, closing 11 CVEs. The newest security fix is DEBIAN-CVE-2026-84308 (3.0.57-1), released September 3, 2026.

- Web page: https://patchblox.com/security/product/linux/php-phpseclib3
- Platform: Linux
- Supported: yes

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [DEBIAN-CVE-2026-84308](https://patchblox.com/security/data/fix/linux/debian-cve-2026-84308.md) | Sep 3, 2026 | Debian 14 3.0.57-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-55599](https://patchblox.com/security/data/fix/linux/debian-cve-2026-55599.md) | Jun 24, 2026 | Debian 14 3.0.55-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-44167](https://patchblox.com/security/data/fix/linux/debian-cve-2026-44167.md) | May 27, 2026 | Debian 12.15 (bookworm) 3.0.19-1+deb12u6 | High | 1 | 0 |
| [DEBIAN-CVE-2026-44167](https://patchblox.com/security/data/fix/linux/debian-cve-2026-44167.md) | May 27, 2026 | Debian 13.5 (trixie) 3.0.43-2+deb13u3 | High | 1 | 0 |
| [DEBIAN-CVE-2026-44167](https://patchblox.com/security/data/fix/linux/debian-cve-2026-44167.md) | May 27, 2026 | Debian 14 3.0.52-1 | High | 1 | 0 |
| [DEBIAN-CVE-2026-40194](https://patchblox.com/security/data/fix/linux/debian-cve-2026-40194.md) | Apr 10, 2026 | Debian 12.15 (bookworm) 3.0.19-1+deb12u5 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-40194](https://patchblox.com/security/data/fix/linux/debian-cve-2026-40194.md) | Apr 10, 2026 | Debian 13.5 (trixie) 3.0.43-2+deb13u2 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-40194](https://patchblox.com/security/data/fix/linux/debian-cve-2026-40194.md) | Apr 10, 2026 | Debian 14 3.0.51-1 | Routine | 1 | 0 |
| [DSA-6187-1](https://patchblox.com/security/data/fix/linux/dsa-6187-1.md) | Mar 29, 2026 | Debian 12.15 (bookworm) 3.0.19-1+deb12u4 | Routine | 1 | 0 |
| [DSA-6187-1](https://patchblox.com/security/data/fix/linux/dsa-6187-1.md) | Mar 29, 2026 | Debian 13.5 (trixie) 3.0.43-2+deb13u1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-32935](https://patchblox.com/security/data/fix/linux/debian-cve-2026-32935.md) | Mar 20, 2026 | Debian 14 3.0.50-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2023-52892](https://patchblox.com/security/data/fix/linux/debian-cve-2023-52892.md) | Jun 27, 2024 | Debian 13.5 (trixie) 3.0.33-1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-52892](https://patchblox.com/security/data/fix/linux/debian-cve-2023-52892.md) | Jun 27, 2024 | Debian 14 3.0.33-1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-52892](https://patchblox.com/security/data/fix/linux/debian-cve-2023-52892.md) | Jun 27, 2024 | Debian 12.15 (bookworm) 3.0.19-1+deb12u4 | High | 1 | 0 |
| [php-phpseclib3 3.0.13-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-php-phpseclib3-3.0.13-1ubuntu0.1-esm1.md) | Jun 27, 2024 | Ubuntu 22.04.1 LTS (jammy) 3.0.13-1ubuntu0.1~esm1 | High | 3 | 0 |
| [DEBIAN-CVE-2024-27354](https://patchblox.com/security/data/fix/linux/debian-cve-2024-27354.md) | Mar 1, 2024 | Debian 12.15 (bookworm) 3.0.19-1+deb12u3 | High | 1 | 0 |
| [DEBIAN-CVE-2024-27354](https://patchblox.com/security/data/fix/linux/debian-cve-2024-27354.md) | Mar 1, 2024 | Debian 13.5 (trixie) 3.0.36-1 | High | 1 | 0 |
| [DEBIAN-CVE-2024-27354](https://patchblox.com/security/data/fix/linux/debian-cve-2024-27354.md) | Mar 1, 2024 | Debian 14 3.0.36-1 | High | 1 | 0 |
| [DEBIAN-CVE-2024-27355](https://patchblox.com/security/data/fix/linux/debian-cve-2024-27355.md) | Mar 1, 2024 | Debian 12.15 (bookworm) 3.0.19-1+deb12u3 | High | 1 | 0 |
| [DEBIAN-CVE-2024-27355](https://patchblox.com/security/data/fix/linux/debian-cve-2024-27355.md) | Mar 1, 2024 | Debian 13.5 (trixie) 3.0.36-1 | High | 1 | 0 |
| [DEBIAN-CVE-2024-27355](https://patchblox.com/security/data/fix/linux/debian-cve-2024-27355.md) | Mar 1, 2024 | Debian 14 3.0.36-1 | High | 1 | 0 |
| [DSA-5601-1](https://patchblox.com/security/data/fix/linux/dsa-5601-1.md) | Jan 12, 2024 | Debian 12.15 (bookworm) 3.0.19-1+deb12u2 | High | 1 | 0 |
| [DEBIAN-CVE-2023-48795](https://patchblox.com/security/data/fix/linux/debian-cve-2023-48795.md) | Dec 18, 2023 | Debian 13.5 (trixie) 3.0.35-1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-48795](https://patchblox.com/security/data/fix/linux/debian-cve-2023-48795.md) | Dec 18, 2023 | Debian 14 3.0.35-1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-49316](https://patchblox.com/security/data/fix/linux/debian-cve-2023-49316.md) | Nov 27, 2023 | Debian 14 3.0.34-1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-49316](https://patchblox.com/security/data/fix/linux/debian-cve-2023-49316.md) | Nov 27, 2023 | Debian 12.15 (bookworm) 3.0.19-1+deb12u1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-49316](https://patchblox.com/security/data/fix/linux/debian-cve-2023-49316.md) | Nov 27, 2023 | Debian 13.5 (trixie) 3.0.34-1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-27560](https://patchblox.com/security/data/fix/linux/debian-cve-2023-27560.md) | Mar 3, 2023 | Debian 14 3.0.19-1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-27560](https://patchblox.com/security/data/fix/linux/debian-cve-2023-27560.md) | Mar 3, 2023 | Debian 12.15 (bookworm) 3.0.19-1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-27560](https://patchblox.com/security/data/fix/linux/debian-cve-2023-27560.md) | Mar 3, 2023 | Debian 13.5 (trixie) 3.0.19-1 | High | 1 | 0 |

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Data as of 2026-11-07T12:40:37Z 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

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