# php8.4-opcache security updates

Patch Radar has 20 security fixes for php8.4-opcache, closing 39 CVEs, 2 of which are being exploited. The newest security fix is ALAS2023-2026-3303 (8.4.27-1.amzn2023.0.1), released November 7, 2026.

- Web page: https://patchblox.com/security/product/linux/php8.4-opcache
- Platform: Linux
- Supported: yes

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [ALAS2023-2026-3303](https://patchblox.com/security/data/fix/linux/alas2023-2026-3303.md) | Nov 7, 2026 | amzn 2023 8.4.27-1.amzn2023.0.1 | Patch now | 2 | 2 |
| [ALAS2023-2026-3163](https://patchblox.com/security/data/fix/linux/alas2023-2026-3163.md) | Nov 7, 2026 | amzn 2023 8.4.26-1.amzn2023.0.1 | High | 10 | 0 |
| [ELSA-2026-87071](https://patchblox.com/security/data/fix/linux/elsa-2026-87071.md) | Nov 7, 2026 | ol 10 0:8.4.27-1.el10_2 | Patch now | 3 | 2 |
| [ALSA-2026:87071](https://patchblox.com/security/data/fix/linux/alsa-2026-87071.md) | Nov 7, 2026 | almalinux 10 8.4.27-1.el10_2 | Patch now | 3 | 2 |
| [ALSA-2026:56969](https://patchblox.com/security/data/fix/linux/alsa-2026-56969.md) | Aug 19, 2026 | almalinux 10 8.4.24-1.el10_2 | Urgent | 3 | 0 |
| [ELSA-2026-56969](https://patchblox.com/security/data/fix/linux/elsa-2026-56969.md) | Aug 19, 2026 | ol 10 0:8.4.24-1.el10_2 | Urgent | 2 | 0 |
| [ALSA-2026:49914](https://patchblox.com/security/data/fix/linux/alsa-2026-49914.md) | Aug 4, 2026 | almalinux 10 8.4.23-1.el10_2 | High | 1 | 0 |
| [ELSA-2026-49914](https://patchblox.com/security/data/fix/linux/elsa-2026-49914.md) | Aug 4, 2026 | ol 10 0:8.4.23-1.el10_2 | High | 1 | 0 |
| [ALAS2023-2026-2042](https://patchblox.com/security/data/fix/linux/alas2023-2026-2042.md) | Aug 3, 2026 | amzn 2023 8.4.24-1.amzn2023.0.1 | Urgent | 3 | 0 |
| [ALAS2023-2026-1959](https://patchblox.com/security/data/fix/linux/alas2023-2026-1959.md) | Jul 20, 2026 | amzn 2023 8.4.23-1.amzn2023.0.1 | High | 1 | 0 |
| [ELSA-2026-22649](https://patchblox.com/security/data/fix/linux/elsa-2026-22649.md) | Jul 17, 2026 | ol 10 0:8.4.21-1.el10_2 | Urgent | 6 | 0 |
| [ALSA-2026:22649](https://patchblox.com/security/data/fix/linux/alsa-2026-22649.md) | Jun 2, 2026 | almalinux 10 8.4.21-1.el10_2 | Urgent | 8 | 0 |
| [ALAS2023-2026-1726](https://patchblox.com/security/data/fix/linux/alas2023-2026-1726.md) | May 25, 2026 | amzn 2023 8.4.21-1.amzn2023.0.1 | Urgent | 10 | 0 |
| [php8.4-opcache 8.4.11-1ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-questing-php8.4-opcache-8.4.11-1ubuntu1.2.md) | May 9, 2026 | Ubuntu 25.10 (questing) 8.4.11-1ubuntu1.2 | Urgent | 9 | 0 |
| [php8.4-opcache 8.4.5-1ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-php8.4-opcache-8.4.5-1ubuntu1.1.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 8.4.5-1ubuntu1.1 | High | 3 | 0 |
| [ALAS2023-2025-1352](https://patchblox.com/security/data/fix/linux/alas2023-2025-1352.md) | Jan 7, 2026 | amzn 2023 8.4.16-1.amzn2023.0.1 | High | 3 | 0 |
| [php8.4-opcache 8.4.11-1ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-php8.4-opcache-8.4.11-1ubuntu1.1.md) | Dec 27, 2025 | Ubuntu 25.10 (questing) 8.4.11-1ubuntu1.1 | High | 3 | 0 |
| [ALAS2023-2025-1113](https://patchblox.com/security/data/fix/linux/alas2023-2025-1113.md) | Jul 26, 2025 | amzn 2023 8.4.10-1.amzn2023.0.1 | High | 3 | 0 |
| [php8.4-opcache 8.4.11-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-php8.4-opcache-8.4.11-1ubuntu1.md) | Jul 13, 2025 | Ubuntu 25.10 (questing) 8.4.11-1ubuntu1 | High | 3 | 0 |
| [php8.4-opcache 8.4.5-1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-php8.4-opcache-8.4.5-1.md) | Mar 14, 2025 | Ubuntu 25.04 (plucky) 8.4.5-1 | High | 6 | 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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