libsoup3: A flaw was found in the asynchronous message queue handling of the libsoup library, widely used by GNOME and WebKit-b...
CVE-2025-12105 is fixed in 10 products on 1 platform, first by RHSA-2025:23437, released October 23, 2025. It is not reported as exploited. Patch Radar priority: High.
A flaw was found in the asynchronous message queue handling of the libsoup library, widely used by GNOME and WebKit-based applications to manage HTTP/2 communications. When network operations are aborted at specific timing intervals, an internal message queue item may be freed twice due to missing state synchronization. This leads to a use-after-free memory access, potentially crashing the affected application. Attackers could exploit this behavior remotely by triggering specific HTTP/2 read and cancel sequences, resulting in a denial-of-service condition.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| gir1.2-soup-3.0 · Ubuntu 22.04.1 LTS (jammy) | 3.0.7-0ubuntu1+esm6 | gir1.2-soup-3.0 3.0.7-0ubuntu1+esm6 | Oct 23, 2025 |
| gir1.2-soup-3.0 · Ubuntu 24.04.5 LTS (noble) | 3.4.4-5ubuntu0.6 | gir1.2-soup-3.0 3.4.4-5ubuntu0.6 | Oct 23, 2025 |
| gir1.2-soup-3.0 · Ubuntu 25.10 (questing) | 3.6.5-4ubuntu0.1 | gir1.2-soup-3.0 3.6.5-4ubuntu0.1 | Oct 23, 2025 |
| libsoup · opensuse-leap 15.6 | 3.4.4-150600.3.21.1 | SUSE-SU-2026:0017-1 | Jan 5, 2026 |
| libsoup · opensuse-leap 16.0 | 3.6.6-160000.1.1 | OPENSUSE-SU-2026:20384-1 | Mar 18, 2026 |
| libsoup · sles 15.6 | 3.4.4-150600.3.21.1 | SUSE-SU-2026:0017-1 | Jan 5, 2026 |
| libsoup · sles 15.7 | 3.4.4-150600.3.21.1 | SUSE-SU-2026:0017-1 | Jan 5, 2026 |
| libsoup · sles 16.0 | 3.6.6-160000.1.1 | SUSE-SU-2026:20902-1 | Mar 18, 2026 |
| libsoup-3.0-0 · Ubuntu 22.04.1 LTS (jammy) | 3.0.7-0ubuntu1+esm6 | libsoup-3.0-0 3.0.7-0ubuntu1+esm6 | Oct 23, 2025 |
| libsoup-3.0-0 · Ubuntu 24.04.5 LTS (noble) | 3.4.4-5ubuntu0.6 | libsoup-3.0-0 3.4.4-5ubuntu0.6 | Oct 23, 2025 |
| libsoup-3.0-0 · Ubuntu 25.10 (questing) | 3.6.5-4ubuntu0.1 | libsoup-3.0-0 3.6.5-4ubuntu0.1 | Oct 23, 2025 |
| libsoup-3.0-common · Ubuntu 22.04.1 LTS (jammy) | 3.0.7-0ubuntu1+esm6 | libsoup-3.0-common 3.0.7-0ubuntu1+esm6 | Oct 23, 2025 |
| libsoup-3.0-common · Ubuntu 24.04.5 LTS (noble) | 3.4.4-5ubuntu0.6 | libsoup-3.0-common 3.4.4-5ubuntu0.6 | Oct 23, 2025 |
| libsoup-3.0-common · Ubuntu 25.10 (questing) | 3.6.5-4ubuntu0.1 | libsoup-3.0-common 3.6.5-4ubuntu0.1 | Oct 23, 2025 |
| libsoup-3.0-tests · Ubuntu 22.04.1 LTS (jammy) | 3.0.7-0ubuntu1+esm6 | libsoup-3.0-tests 3.0.7-0ubuntu1+esm6 | Oct 23, 2025 |
| libsoup-3.0-tests · Ubuntu 24.04.5 LTS (noble) | 3.4.4-5ubuntu0.6 | libsoup-3.0-tests 3.4.4-5ubuntu0.6 | Oct 23, 2025 |
| libsoup-3.0-tests · Ubuntu 25.10 (questing) | 3.6.5-4ubuntu0.1 | libsoup-3.0-tests 3.6.5-4ubuntu0.1 | Oct 23, 2025 |
| libsoup3 · RHEL 10 | 3.6.5-3.el10_0.10 | RHSA-2025:23437 | Oct 23, 2025 |
| libsoup3 · amzn 2023 | 3.6.5-53.amzn2023 | ALAS2023-2025-1288 | Dec 8, 2025 |
| libsoup3 · ol 10 | 0:3.6.5-3.el10_1.7 | ELSA-2025-23139 | Dec 11, 2025 |
| libsoup3 · rocky 10 | 0:3.6.5-3.el10_1.7 | RLSA-2025:23139 | Dec 13, 2025 |
| libsoup3-debuginfo · amzn 2023 | 3.6.5-53.amzn2023 | ALAS2023-2025-1288 | Dec 8, 2025 |
| libsoup3-debugsource · amzn 2023 | 3.6.5-53.amzn2023 | ALAS2023-2025-1288 | Dec 8, 2025 |
| libsoup3-devel · amzn 2023 | 3.6.5-53.amzn2023 | ALAS2023-2025-1288 | Dec 8, 2025 |
| libsoup3-devel · ol 10 | 0:3.6.5-3.el10_1.7 | ELSA-2025-23139 | Dec 11, 2025 |
| libsoup3-doc · almalinux 10 | 3.6.5-3.el10_1.7 | ALSA-2025:23139 | Dec 11, 2025 |
| libsoup3-doc · amzn 2023 | 3.6.5-53.amzn2023 | ALAS2023-2025-1288 | Dec 8, 2025 |
| libsoup3-doc · ol 10 | 0:3.6.5-3.el10_1.7 | ELSA-2025-23139 | Dec 11, 2025 |
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