# CVE-2025-10148: brotli: predictable websocket mask can lead to proxy cache poisoning by malicious server (bsc#1249348).

CVE-2025-10148 is fixed in 14 products on 1 platform, first by DEBIAN-CVE-2025-10148, released September 12, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2025-10148
- Priority: Routine
- CVSS: 5.3 (medium)
- EPSS: 0.0052
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 11, 2025

## Description

predictable websocket mask can lead to proxy cache poisoning by malicious server (bsc#1249348).

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | brotli opensuse-leap 15.6 | 1.0.7-150200.3.5.1 | [SUSE-SU-2025:03268-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-03268-1.md) | Sep 18, 2025 |
| Linux | brotli sles 15.6 | 1.0.7-150200.3.5.1 | [SUSE-SU-2025:03268-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-03268-1.md) | Sep 18, 2025 |
| Linux | brotli sles 15.7 | 1.0.7-150200.3.5.1 | [SUSE-SU-2025:03268-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-03268-1.md) | Sep 18, 2025 |
| Linux | curl Debian 12.15 (bookworm) | 7.88.1-10+deb12u15 | [DEBIAN-CVE-2025-10148](https://patchblox.com/security/data/fix/linux/debian-cve-2025-10148.md) | Sep 12, 2025 |
| Linux | curl Debian 13.5 (trixie) | 8.14.1-2+deb13u1 | [DEBIAN-CVE-2025-10148](https://patchblox.com/security/data/fix/linux/debian-cve-2025-10148.md) | Sep 12, 2025 |
| Linux | curl Debian 14 | 8.16.0-1 | [DEBIAN-CVE-2025-10148](https://patchblox.com/security/data/fix/linux/debian-cve-2025-10148.md) | Sep 12, 2025 |
| Linux | curl Ubuntu 24.04.5 LTS (noble) | 8.5.0-2ubuntu10.7 | [curl 8.5.0-2ubuntu10.7](https://patchblox.com/security/data/fix/linux/ubuntu-noble-curl-8.5.0-2ubuntu10.7.md) | Jan 8, 2026 |
| Linux | curl Ubuntu 25.10 (questing) | 8.14.1-2ubuntu1.1 | [curl 8.14.1-2ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-curl-8.14.1-2ubuntu1.1.md) | Mar 12, 2026 |
| Linux | curl amzn 2023 | 8.15.0-4.amzn2023.0.1 | [ALAS2023-2025-1351](https://patchblox.com/security/data/fix/linux/alas2023-2025-1351.md) | Jan 7, 2026 |
| Linux | curl opensuse-leap 15.6 | 8.14.1-150600.4.28.1 | [SUSE-SU-2025:03198-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-03198-1.md) | Sep 12, 2025 |
| Linux | curl opensuse-leap 16.0 | 8.14.1-160000.3.1 | [OPENSUSE-SU-2025:20090-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2025-20090-1.md) | Nov 26, 2025 |
| Linux | curl sles 15.6 | 8.14.1-150600.4.28.1 | [SUSE-SU-2025:03198-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-03198-1.md) | Sep 12, 2025 |
| Linux | curl sles 15.7 | 8.14.1-150600.4.28.1 | [SUSE-SU-2025:03198-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-03198-1.md) | Sep 12, 2025 |
| Linux | curl sles 16.0 | 8.14.1-160000.3.1 | [SUSE-SU-2025:21145-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-21145-1.md) | Nov 26, 2025 |
| Linux | curl-debuginfo amzn 2023 | 8.15.0-4.amzn2023.0.1 | [ALAS2023-2025-1351](https://patchblox.com/security/data/fix/linux/alas2023-2025-1351.md) | Jan 7, 2026 |
| Linux | curl-debugsource amzn 2023 | 8.15.0-4.amzn2023.0.1 | [ALAS2023-2025-1351](https://patchblox.com/security/data/fix/linux/alas2023-2025-1351.md) | Jan 7, 2026 |
| Linux | curl-mini sles 16.0 | 8.14.1-160000.3.1 | [SUSE-SU-2025:21145-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-21145-1.md) | Nov 26, 2025 |
| Linux | curl-minimal amzn 2023 | 8.15.0-4.amzn2023.0.1 | [ALAS2023-2025-1351](https://patchblox.com/security/data/fix/linux/alas2023-2025-1351.md) | Jan 7, 2026 |
| Linux | curl-minimal-debuginfo amzn 2023 | 8.15.0-4.amzn2023.0.1 | [ALAS2023-2025-1351](https://patchblox.com/security/data/fix/linux/alas2023-2025-1351.md) | Jan 7, 2026 |
| Linux | libcurl amzn 2023 | 8.15.0-4.amzn2023.0.1 | [ALAS2023-2025-1351](https://patchblox.com/security/data/fix/linux/alas2023-2025-1351.md) | Jan 7, 2026 |
| Linux | libcurl-debuginfo amzn 2023 | 8.15.0-4.amzn2023.0.1 | [ALAS2023-2025-1351](https://patchblox.com/security/data/fix/linux/alas2023-2025-1351.md) | Jan 7, 2026 |
| Linux | libcurl-devel amzn 2023 | 8.15.0-4.amzn2023.0.1 | [ALAS2023-2025-1351](https://patchblox.com/security/data/fix/linux/alas2023-2025-1351.md) | Jan 7, 2026 |
| Linux | libcurl-minimal amzn 2023 | 8.15.0-4.amzn2023.0.1 | [ALAS2023-2025-1351](https://patchblox.com/security/data/fix/linux/alas2023-2025-1351.md) | Jan 7, 2026 |
| Linux | libcurl-minimal-debuginfo amzn 2023 | 8.15.0-4.amzn2023.0.1 | [ALAS2023-2025-1351](https://patchblox.com/security/data/fix/linux/alas2023-2025-1351.md) | Jan 7, 2026 |
| Linux | libcurl3t64-gnutls Ubuntu 24.04.5 LTS (noble) | 8.5.0-2ubuntu10.7 | [libcurl3t64-gnutls 8.5.0-2ubuntu10.7](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libcurl3t64-gnutls-8.5.0-2ubuntu10.7.md) | Jan 8, 2026 |
| Linux | libcurl3t64-gnutls Ubuntu 25.10 (questing) | 8.14.1-2ubuntu1.1 | [libcurl3t64-gnutls 8.14.1-2ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libcurl3t64-gnutls-8.14.1-2ubuntu1.1.md) | Mar 12, 2026 |
| Linux | libcurl4t64 Ubuntu 24.04.5 LTS (noble) | 8.5.0-2ubuntu10.7 | [libcurl4t64 8.5.0-2ubuntu10.7](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libcurl4t64-8.5.0-2ubuntu10.7.md) | Jan 8, 2026 |
| Linux | libcurl4t64 Ubuntu 25.10 (questing) | 8.14.1-2ubuntu1.1 | [libcurl4t64 8.14.1-2ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libcurl4t64-8.14.1-2ubuntu1.1.md) | Mar 12, 2026 |

---

Data as of 2026-11-11T13:47:35Z 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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