Libsoup: soupcache: libsoup: http/2 frame window exhaustion remote denial of service via memory leak
CVE-2026-15713 is fixed in 11 products on 1 platform, first by FEDORA-2026-FCE2F41203, released September 5, 2026. It is not reported as exploited. Patch Radar priority: Routine.
This update for libsoup fixes the following issues: - CVE-2026-15713: SoupCache: libsoup: HTTP/2 frame window exhaustion remote denial of service via memory leak (bsc#1271448). - CVE-2026-102555: Heap buffer overflow via uninitialized length in data-URI base64 decoding (bsc#1283299). - CVE-2026-102556: Heap buffer overflow from WebSocket Pong signal type confusion (bsc#1283300). - CVE-2026-102557: Heap buffer overflow during WebSocket message reassembly (bsc#1283301). - CVE-2026-102558: Heap buffer overflow during WebSocket receive-buffer growth (bsc#1283302). - CVE-2026-102559: Heap buffer overflow during WebSocket client-frame masking (bsc#1283303). - CVE-2026-102560: Heap buffer overflow during outgoing permessage-deflate buffer growth (bsc#1283304).
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libsoup · opensuse-leap 16.0 | 3.6.6-160000.5.1 | OPENSUSE-SU-2026:22181-1 | Nov 7, 2026 |
| libsoup · sles 15.6 | 3.4.4-150600.3.59.1 | SUSE-SU-2026:4631-1 | Nov 7, 2026 |
| libsoup · sles 15.7 | 3.4.4-150600.3.59.1 | SUSE-SU-2026:4631-1 | Nov 7, 2026 |
| libsoup · sles 16.0 | 3.6.6-160000.5.1 | SUSE-SU-2026:24470-1 | Nov 7, 2026 |
| libsoup2 · sles 15.6 | 2.74.3-150600.4.42.1 | SUSE-SU-2026:4703-1 | Nov 7, 2026 |
| libsoup2 · sles 15.7 | 2.74.3-150600.4.42.1 | SUSE-SU-2026:4703-1 | Nov 7, 2026 |
| libsoup3 · Fedora 43 | 3.6.6-5.fc43 | FEDORA-2026-FCE2F41203 | Sep 5, 2026 |
| libsoup3 · amzn 2023 | 3.7.2-1.amzn2023 | ALAS2023-2026-3144 | Sep 28, 2026 |
| libsoup3-debuginfo · Fedora 43 | 3.6.6-5.fc43 | FEDORA-2026-FCE2F41203 | Sep 5, 2026 |
| libsoup3-debuginfo · amzn 2023 | 3.7.2-1.amzn2023 | ALAS2023-2026-3144 | Sep 28, 2026 |
| libsoup3-debugsource · Fedora 43 | 3.6.6-5.fc43 | FEDORA-2026-FCE2F41203 | Sep 5, 2026 |
| libsoup3-debugsource · amzn 2023 | 3.7.2-1.amzn2023 | ALAS2023-2026-3144 | Sep 28, 2026 |
| libsoup3-devel · Fedora 43 | 3.6.6-5.fc43 | FEDORA-2026-FCE2F41203 | Sep 5, 2026 |
| libsoup3-devel · amzn 2023 | 3.7.2-1.amzn2023 | ALAS2023-2026-3144 | Sep 28, 2026 |
| libsoup3-doc · Fedora 43 | 3.6.6-5.fc43 | FEDORA-2026-FCE2F41203 | Sep 5, 2026 |
| libsoup3-doc · amzn 2023 | 3.7.2-1.amzn2023 | ALAS2023-2026-3144 | Sep 28, 2026 |
| mingw32-libsoup3 · Fedora 43 | 3.6.6-5.fc43 | FEDORA-2026-FCE2F41203 | Sep 5, 2026 |
| mingw32-libsoup3-debuginfo · Fedora 43 | 3.6.6-5.fc43 | FEDORA-2026-FCE2F41203 | Sep 5, 2026 |
| mingw64-libsoup3 · Fedora 43 | 3.6.6-5.fc43 | FEDORA-2026-FCE2F41203 | Sep 5, 2026 |
| mingw64-libsoup3-debuginfo · Fedora 43 | 3.6.6-5.fc43 | FEDORA-2026-FCE2F41203 | Sep 5, 2026 |
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.