stale proxy password leak
CVE-2026-9079 is fixed in 13 products on 1 platform, first by curl 8.18.0-1ubuntu2.2, released June 26, 2026. It is not reported as exploited. Patch Radar priority: High.
libcurl had a flaw that when instructed to clear proxy authentication credentials which made it not do so, leaving the old credentials around to get used for subsequent transfers that should not know nor use them.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| curl · Debian 14 | 8.21.0~rc2-1 | DEBIAN-CVE-2026-9079 | Jul 24, 2026 |
| curl · RHEL 10 | 8.12.1-1.el10_0.10 | RHSA-2026:72506 | Jul 3, 2026 |
| curl · Ubuntu 25.10 (questing) | 8.14.1-2ubuntu1.4 | curl 8.14.1-2ubuntu1.4 | Jul 3, 2026 |
| curl · Ubuntu 26.04.1 LTS (resolute) | 8.18.0-1ubuntu2.2 | curl 8.18.0-1ubuntu2.2 | Jun 26, 2026 |
| curl · almalinux 10 | 8.12.1-4.el10_2.6 | ALSA-2026:69125 | Sep 21, 2026 |
| curl · amzn 2023 | 8.21.0-5.amzn2023.0.1 | ALAS2023-2026-2132 | Sep 14, 2026 |
| curl · ol 10 | 0:8.12.1-4.el10_2.6 | ELSA-2026-69125 | Sep 23, 2026 |
| curl · opensuse-leap 16.0 | 8.14.1-160000.8.1 | OPENSUSE-SU-2026:21272-1 | Jul 8, 2026 |
| curl · rocky 10 | 0:8.12.1-4.el10_2.6 | RLSA-2026:69125 | Sep 22, 2026 |
| curl · sles 15.6 | 8.14.1-150600.4.46.1 | SUSE-SU-2026:2926-1 | Jul 13, 2026 |
| curl · sles 15.7 | 8.14.1-150700.7.20.1 | SUSE-SU-2026:2925-1 | Jul 13, 2026 |
| curl · sles 16.0 | 8.14.1-160000.8.1 | SUSE-SU-2026:22582-1 | Jul 8, 2026 |
| curl-debuginfo · amzn 2023 | 8.21.0-5.amzn2023.0.1 | ALAS2023-2026-2132 | Sep 14, 2026 |
| curl-debugsource · amzn 2023 | 8.21.0-5.amzn2023.0.1 | ALAS2023-2026-2132 | Sep 14, 2026 |
| curl-mini · sles 16.0 | 8.14.1-160000.8.1 | SUSE-SU-2026:22582-1 | Jul 8, 2026 |
| curl-minimal · amzn 2023 | 8.21.0-5.amzn2023.0.1 | ALAS2023-2026-2132 | Sep 14, 2026 |
| curl-minimal-debuginfo · amzn 2023 | 8.21.0-5.amzn2023.0.1 | ALAS2023-2026-2132 | Sep 14, 2026 |
| libcurl · almalinux 10 | 8.12.1-4.el10_2.6 | ALSA-2026:69125 | Sep 21, 2026 |
| libcurl · amzn 2023 | 8.21.0-5.amzn2023.0.1 | ALAS2023-2026-2132 | Sep 14, 2026 |
| libcurl · ol 10 | 0:8.12.1-4.el10_2.6 | ELSA-2026-69125 | Sep 23, 2026 |
| libcurl-debuginfo · amzn 2023 | 8.21.0-5.amzn2023.0.1 | ALAS2023-2026-2132 | Sep 14, 2026 |
| libcurl-devel · almalinux 10 | 8.12.1-4.el10_2.6 | ALSA-2026:69125 | Sep 21, 2026 |
| libcurl-devel · amzn 2023 | 8.21.0-5.amzn2023.0.1 | ALAS2023-2026-2132 | Sep 14, 2026 |
| libcurl-devel · ol 10 | 0:8.12.1-4.el10_2.6 | ELSA-2026-69125 | Sep 23, 2026 |
| libcurl-minimal · almalinux 10 | 8.12.1-4.el10_2.6 | ALSA-2026:69125 | Sep 21, 2026 |
| libcurl-minimal · amzn 2023 | 8.21.0-5.amzn2023.0.1 | ALAS2023-2026-2132 | Sep 14, 2026 |
| libcurl-minimal · ol 10 | 0:8.12.1-4.el10_2.6 | ELSA-2026-69125 | Sep 23, 2026 |
| libcurl-minimal-debuginfo · amzn 2023 | 8.21.0-5.amzn2023.0.1 | ALAS2023-2026-2132 | Sep 14, 2026 |
| libcurl3t64-gnutls · Ubuntu 25.10 (questing) | 8.14.1-2ubuntu1.4 | libcurl3t64-gnutls 8.14.1-2ubuntu1.4 | Jul 3, 2026 |
| libcurl3t64-gnutls · Ubuntu 26.04.1 LTS (resolute) | 8.18.0-1ubuntu2.2 | libcurl3t64-gnutls 8.18.0-1ubuntu2.2 | Jun 26, 2026 |
| libcurl4t64 · Ubuntu 25.10 (questing) | 8.14.1-2ubuntu1.4 | libcurl4t64 8.14.1-2ubuntu1.4 | Jul 3, 2026 |
| libcurl4t64 · Ubuntu 26.04.1 LTS (resolute) | 8.18.0-1ubuntu2.2 | libcurl4t64 8.18.0-1ubuntu2.2 | Jun 26, 2026 |
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