# memcached security updates

Patch Radar has 45 security fixes for memcached, closing 10 CVEs. The newest security fix is memcached 1.6.14-1ubuntu0.3, released September 22, 2026.

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

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [memcached 1.6.14-1ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-memcached-1.6.14-1ubuntu0.3.md) | Sep 22, 2026 | Ubuntu 22.04.1 LTS (jammy) 1.6.14-1ubuntu0.3 | Routine | 1 | 0 |
| [memcached 1.6.24-1ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-memcached-1.6.24-1ubuntu0.3.md) | Sep 22, 2026 | Ubuntu 24.04.5 LTS (noble) 1.6.24-1ubuntu0.3 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-90698](https://patchblox.com/security/data/fix/linux/debian-cve-2026-90698.md) | Sep 17, 2026 | Debian 14 1.6.45-1 | Routine | 1 | 0 |
| [memcached 1.6.40-1ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-memcached-1.6.40-1ubuntu0.3.md) | Sep 14, 2026 | Ubuntu 26.04.1 LTS (resolute) 1.6.40-1ubuntu0.3 | Routine | 1 | 0 |
| [ELSA-2026-27842](https://patchblox.com/security/data/fix/linux/elsa-2026-27842.md) | Jul 16, 2026 | ol 10 0:1.6.23-7.el10_2.1 | High | 1 | 0 |
| [RHSA-2026:27862](https://patchblox.com/security/data/fix/linux/rhsa-2026-27862.md) | Jun 24, 2026 | RHEL 9 0:1.6.9-7.el9_8.1 | High | 1 | 0 |
| [RLSA-2026:27842](https://patchblox.com/security/data/fix/linux/rlsa-2026-27842.md) | Jun 24, 2026 | rocky 10 0:1.6.23-7.el10_2.1 | High | 1 | 0 |
| [RLSA-2026:27862](https://patchblox.com/security/data/fix/linux/rlsa-2026-27862.md) | Jun 24, 2026 | rocky 9 0:1.6.9-7.el9_8.1 | High | 1 | 0 |
| [ELSA-2026-27862](https://patchblox.com/security/data/fix/linux/elsa-2026-27862.md) | Jun 23, 2026 | ol 9 0:1.6.9-7.el9_8.1 | High | 1 | 0 |
| [ALSA-2026:27842](https://patchblox.com/security/data/fix/linux/alsa-2026-27842.md) | Jun 22, 2026 | almalinux 10 1.6.23-7.el10_2.1 | High | 1 | 0 |
| [ALSA-2026:27862](https://patchblox.com/security/data/fix/linux/alsa-2026-27862.md) | Jun 22, 2026 | almalinux 9 1.6.9-7.el9_8.1 | High | 1 | 0 |
| [ALAS2023-2026-1781](https://patchblox.com/security/data/fix/linux/alas2023-2026-1781.md) | Jun 8, 2026 | amzn 2023 1.6.42-2.amzn2023.0.1 | High | 2 | 0 |
| [SUSE-SU-2026:22022-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22022-1.md) | Jun 2, 2026 | sles 16.0 1.6.38-160000.3.1 | High | 2 | 0 |
| [DEBIAN-CVE-2026-47783](https://patchblox.com/security/data/fix/linux/debian-cve-2026-47783.md) | May 20, 2026 | Debian 12.15 (bookworm) 1.6.18-1+deb12u1 | High | 1 | 0 |
| [DEBIAN-CVE-2026-47783](https://patchblox.com/security/data/fix/linux/debian-cve-2026-47783.md) | May 20, 2026 | Debian 14 1.6.42-1 | High | 1 | 0 |
| [DEBIAN-CVE-2026-47784](https://patchblox.com/security/data/fix/linux/debian-cve-2026-47784.md) | May 20, 2026 | Debian 12.15 (bookworm) 1.6.18-1+deb12u1 | High | 1 | 0 |
| [DEBIAN-CVE-2026-47784](https://patchblox.com/security/data/fix/linux/debian-cve-2026-47784.md) | May 20, 2026 | Debian 14 1.6.42-1 | High | 1 | 0 |
| [RHSA-2026:27842](https://patchblox.com/security/data/fix/linux/rhsa-2026-27842.md) | May 20, 2026 | RHEL 10 1.6.23-7.el10_2.1 | High | 1 | 0 |
| [memcached 1.6.14-1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-memcached-1.6.14-1ubuntu0.2.md) | May 20, 2026 | Ubuntu 22.04.1 LTS (jammy) 1.6.14-1ubuntu0.2 | High | 2 | 0 |
| [memcached 1.6.24-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-memcached-1.6.24-1ubuntu0.1.md) | May 20, 2026 | Ubuntu 24.04.5 LTS (noble) 1.6.24-1ubuntu0.1 | High | 2 | 0 |
| [memcached 1.6.38-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-memcached-1.6.38-1ubuntu0.1.md) | May 20, 2026 | Ubuntu 25.10 (questing) 1.6.38-1ubuntu0.1 | High | 2 | 0 |
| [memcached 1.6.40-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-memcached-1.6.40-1ubuntu0.1.md) | May 20, 2026 | Ubuntu 26.04.1 LTS (resolute) 1.6.40-1ubuntu0.1 | High | 2 | 0 |
| [ALAS2023-2023-449](https://patchblox.com/security/data/fix/linux/alas2023-2023-449.md) | Dec 6, 2023 | amzn 2023 1.6.22-2.amzn2023.0.1 | Urgent | 2 | 0 |
| [DEBIAN-CVE-2023-46853](https://patchblox.com/security/data/fix/linux/debian-cve-2023-46853.md) | Oct 27, 2023 | Debian 12.15 (bookworm) 1.6.18-1+deb12u1 | Urgent | 1 | 0 |
| [DEBIAN-CVE-2023-46853](https://patchblox.com/security/data/fix/linux/debian-cve-2023-46853.md) | Oct 27, 2023 | Debian 13.5 (trixie) 1.6.22-1 | Urgent | 1 | 0 |
| [DEBIAN-CVE-2023-46853](https://patchblox.com/security/data/fix/linux/debian-cve-2023-46853.md) | Oct 27, 2023 | Debian 14 1.6.22-1 | Urgent | 1 | 0 |
| [DEBIAN-CVE-2023-46852](https://patchblox.com/security/data/fix/linux/debian-cve-2023-46852.md) | Oct 27, 2023 | Debian 13.5 (trixie) 1.6.22-1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-46852](https://patchblox.com/security/data/fix/linux/debian-cve-2023-46852.md) | Oct 27, 2023 | Debian 14 1.6.22-1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-46852](https://patchblox.com/security/data/fix/linux/debian-cve-2023-46852.md) | Oct 27, 2023 | Debian 12.15 (bookworm) 1.6.18-1+deb12u1 | High | 1 | 0 |
| [memcached 1.6.14-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-memcached-1.6.14-1ubuntu0.1.md) | Oct 27, 2023 | Ubuntu 22.04.1 LTS (jammy) 1.6.14-1ubuntu0.1 | Urgent | 2 | 0 |
| [DEBIAN-CVE-2022-48571](https://patchblox.com/security/data/fix/linux/debian-cve-2022-48571.md) | Aug 22, 2023 | Debian 12.15 (bookworm) 1.6.8+dfsg-1 | High | 1 | 0 |
| [DEBIAN-CVE-2022-48571](https://patchblox.com/security/data/fix/linux/debian-cve-2022-48571.md) | Aug 22, 2023 | Debian 13.5 (trixie) 1.6.8+dfsg-1 | High | 1 | 0 |
| [DEBIAN-CVE-2022-48571](https://patchblox.com/security/data/fix/linux/debian-cve-2022-48571.md) | Aug 22, 2023 | Debian 14 1.6.8+dfsg-1 | High | 1 | 0 |
| [DEBIAN-CVE-2020-22570](https://patchblox.com/security/data/fix/linux/debian-cve-2020-22570.md) | Aug 22, 2023 | Debian 12.15 (bookworm) 1.6.3-1 | High | 1 | 0 |
| [DEBIAN-CVE-2020-22570](https://patchblox.com/security/data/fix/linux/debian-cve-2020-22570.md) | Aug 22, 2023 | Debian 13.5 (trixie) 1.6.3-1 | High | 1 | 0 |
| [DEBIAN-CVE-2020-22570](https://patchblox.com/security/data/fix/linux/debian-cve-2020-22570.md) | Aug 22, 2023 | Debian 14 1.6.3-1 | High | 1 | 0 |
| [memcached 1.5.22-2ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-memcached-1.5.22-2ubuntu0.3.md) | Aug 22, 2023 | Ubuntu 20.04 LTS (focal) 1.5.22-2ubuntu0.3 | High | 1 | 0 |
| [memcached 1.5.6-0ubuntu1.2+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-memcached-1.5.6-0ubuntu1.2-esm1.md) | Aug 22, 2023 | Ubuntu 18.04.6 LTS (bionic) 1.5.6-0ubuntu1.2+esm1 | High | 1 | 0 |
| [DEBIAN-CVE-2021-37519](https://patchblox.com/security/data/fix/linux/debian-cve-2021-37519.md) | Feb 3, 2023 | Debian 12.15 (bookworm) 1.6.10+dfsg-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2021-37519](https://patchblox.com/security/data/fix/linux/debian-cve-2021-37519.md) | Feb 3, 2023 | Debian 13.5 (trixie) 1.6.10+dfsg-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2021-37519](https://patchblox.com/security/data/fix/linux/debian-cve-2021-37519.md) | Feb 3, 2023 | Debian 14 1.6.10+dfsg-1 | Routine | 1 | 0 |
| [ELSA-2020-1576](https://patchblox.com/security/data/fix/linux/elsa-2020-1576.md) | May 5, 2020 | ol 8 0:1.5.9-3.el8 | High | 1 | 0 |
| [RHSA-2020:1576](https://patchblox.com/security/data/fix/linux/rhsa-2020-1576.md) | Apr 28, 2020 | RHEL 8 0:1.5.9-3.el8 | High | 1 | 0 |
| [memcached 1.5.6-0ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-memcached-1.5.6-0ubuntu1.2.md) | Aug 29, 2019 | Ubuntu 18.04.6 LTS (bionic) 1.5.6-0ubuntu1.2 | Routine | 1 | 0 |
| [memcached 1.5.6-0ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-memcached-1.5.6-0ubuntu1.1.md) | Apr 28, 2019 | Ubuntu 18.04.6 LTS (bionic) 1.5.6-0ubuntu1.1 | 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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