# matrix-synapse security updates Patch Radar has 28 security fixes for matrix-synapse, closing 31 CVEs. The newest security fix is DEBIAN-CVE-2026-45076 (1.152.1-1), released June 24, 2026. - Web page: https://patchblox.com/security/product/linux/matrix-synapse - Platform: Linux - Supported: yes ## Security fixes, newest first | Fix | Released | Fixed in | Priority | CVEs | Exploited | |---|---|---|---|---:|---:| | [DEBIAN-CVE-2026-45076](https://patchblox.com/security/data/fix/linux/debian-cve-2026-45076.md) | Jun 24, 2026 | Debian 14 1.152.1-1 | Routine | 1 | 0 | | [DEBIAN-CVE-2026-45078](https://patchblox.com/security/data/fix/linux/debian-cve-2026-45078.md) | Jun 24, 2026 | Debian 14 1.152.1-1 | Routine | 1 | 0 | | [DEBIAN-CVE-2025-61672](https://patchblox.com/security/data/fix/linux/debian-cve-2025-61672.md) | Oct 8, 2025 | Debian 14 1.139.2-1 | Routine | 1 | 0 | | [DEBIAN-CVE-2025-30355](https://patchblox.com/security/data/fix/linux/debian-cve-2025-30355.md) | Mar 27, 2025 | Debian 14 1.121.0-6 | High | 1 | 0 | | [DEBIAN-CVE-2024-53863](https://patchblox.com/security/data/fix/linux/debian-cve-2024-53863.md) | Dec 3, 2024 | Debian 14 1.121.0-1 | Urgent | 1 | 0 | | [DEBIAN-CVE-2024-52805](https://patchblox.com/security/data/fix/linux/debian-cve-2024-52805.md) | Dec 3, 2024 | Debian 14 1.121.0-1 | High | 1 | 0 | | [DEBIAN-CVE-2024-52815](https://patchblox.com/security/data/fix/linux/debian-cve-2024-52815.md) | Dec 3, 2024 | Debian 14 1.121.0-1 | Routine | 1 | 0 | | [DEBIAN-CVE-2024-53867](https://patchblox.com/security/data/fix/linux/debian-cve-2024-53867.md) | Dec 3, 2024 | Debian 14 1.121.0-1 | Routine | 1 | 0 | | [DEBIAN-CVE-2024-37302](https://patchblox.com/security/data/fix/linux/debian-cve-2024-37302.md) | Dec 3, 2024 | Debian 14 1.116.0-1 | High | 1 | 0 | | [DEBIAN-CVE-2024-37303](https://patchblox.com/security/data/fix/linux/debian-cve-2024-37303.md) | Dec 3, 2024 | Debian 14 1.116.0-1 | Routine | 1 | 0 | | [matrix-synapse 1.53.0-1ubuntu0.1~esm2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-matrix-synapse-1.53.0-1ubuntu0.1-esm2.md) | Dec 3, 2024 | Ubuntu 22.04.1 LTS (jammy) 1.53.0-1ubuntu0.1~esm2 | Urgent | 8 | 0 | | [DEBIAN-CVE-2024-31208](https://patchblox.com/security/data/fix/linux/debian-cve-2024-31208.md) | Apr 23, 2024 | Debian 14 1.103.0-2 | Routine | 1 | 0 | | [DEBIAN-CVE-2023-43796](https://patchblox.com/security/data/fix/linux/debian-cve-2023-43796.md) | Oct 31, 2023 | Debian 14 1.95.1-1 | Routine | 1 | 0 | | [matrix-synapse 1.11.0-1ubuntu0.1~esm2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-matrix-synapse-1.11.0-1ubuntu0.1-esm2.md) | Oct 31, 2023 | Ubuntu 20.04 LTS (focal) 1.11.0-1ubuntu0.1~esm2 | Routine | 3 | 0 | | [matrix-synapse 0.24.0+dfsg-1ubuntu0.1~esm4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-matrix-synapse-0.24.0-dfsg-1ubuntu0.1-esm4.md) | Oct 31, 2023 | Ubuntu 18.04.6 LTS (bionic) 0.24.0+dfsg-1ubuntu0.1~esm4 | Routine | 2 | 0 | | [DEBIAN-CVE-2023-45129](https://patchblox.com/security/data/fix/linux/debian-cve-2023-45129.md) | Oct 10, 2023 | Debian 14 1.94.0-1 | Routine | 1 | 0 | | [DEBIAN-CVE-2023-42453](https://patchblox.com/security/data/fix/linux/debian-cve-2023-42453.md) | Sep 27, 2023 | Debian 14 1.93.0-1 | Routine | 1 | 0 | | [DEBIAN-CVE-2023-41335](https://patchblox.com/security/data/fix/linux/debian-cve-2023-41335.md) | Sep 27, 2023 | Debian 14 1.93.0-1 | Routine | 1 | 0 | | [DEBIAN-CVE-2023-32682](https://patchblox.com/security/data/fix/linux/debian-cve-2023-32682.md) | Jun 6, 2023 | Debian 14 1.90.0-1 | Routine | 1 | 0 | | [DEBIAN-CVE-2023-32683](https://patchblox.com/security/data/fix/linux/debian-cve-2023-32683.md) | Jun 6, 2023 | Debian 14 1.90.0-1 | Routine | 1 | 0 | | [DEBIAN-CVE-2023-32323](https://patchblox.com/security/data/fix/linux/debian-cve-2023-32323.md) | May 26, 2023 | Debian 14 1.74.0-1 | Routine | 1 | 0 | | [DEBIAN-CVE-2022-39374](https://patchblox.com/security/data/fix/linux/debian-cve-2022-39374.md) | May 26, 2023 | Debian 14 1.68.0-1 | Routine | 1 | 0 | | [DEBIAN-CVE-2022-39335](https://patchblox.com/security/data/fix/linux/debian-cve-2022-39335.md) | May 26, 2023 | Debian 14 1.69.0-1 | Routine | 1 | 0 | | [DEBIAN-CVE-2022-41952](https://patchblox.com/security/data/fix/linux/debian-cve-2022-41952.md) | Nov 22, 2022 | Debian 14 1.53.0-1 | Routine | 1 | 0 | | [DEBIAN-CVE-2022-31152](https://patchblox.com/security/data/fix/linux/debian-cve-2022-31152.md) | Sep 2, 2022 | Debian 14 1.63.0-1 | High | 1 | 0 | | [DEBIAN-CVE-2022-31052](https://patchblox.com/security/data/fix/linux/debian-cve-2022-31052.md) | Jun 28, 2022 | Debian 14 1.61.1-1 | Routine | 1 | 0 | | [DEBIAN-CVE-2021-41281](https://patchblox.com/security/data/fix/linux/debian-cve-2021-41281.md) | Nov 23, 2021 | Debian 14 1.47.1-1 | High | 1 | 0 | | [matrix-synapse 0.24.0+dfsg-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-matrix-synapse-0.24.0-dfsg-1ubuntu0.1-esm1.md) | Nov 7, 2019 | Ubuntu 18.04.6 LTS (bionic) 0.24.0+dfsg-1ubuntu0.1~esm1 | Routine | 7 | 0 | --- Data as of 2026-11-07T12:40:37Z UTC. 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