CVE-2026-2369
Libsoup: libsoup: buffer overread due to integer underflow when handling zero-length resources
CVE-2026-2369 is fixed in 14 products on 1 platform, first by SUSE-SU-2026:0657-1, released February 26, 2026. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
6.5
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0044
38th percentile
This update for libsoup fixes the following issues: - CVE-2025-32049: denial of Service attack to websocket server (bsc#1240751). - CVE-2026-2369: buffer overread due to integer underflow when handling zero-length resources (bsc#1258120). - CVE-2026-2443: out-of-bounds read when processing specially crafted HTTP Range headers can lead to heap information disclosure to remote attackers (bsc#1258170). - CVE-2026-2708: HTTP request smuggling via duplicate Content-Length headers (bsc#1258508).
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| gir1.2-soup-2.4 · Ubuntu 18.04.6 LTS (bionic) | 2.62.1-1ubuntu0.4+esm7 | gir1.2-soup-2.4 2.62.1-1ubuntu0.4+esm7 | Mar 30, 2026 |
| gir1.2-soup-2.4 · Ubuntu 20.04 LTS (focal) | 2.70.0-1ubuntu0.5+esm2 | gir1.2-soup-2.4 2.70.0-1ubuntu0.5+esm2 | Mar 30, 2026 |
| gir1.2-soup-2.4 · Ubuntu 22.04.1 LTS (jammy) | 2.74.2-3ubuntu0.7 | gir1.2-soup-2.4 2.74.2-3ubuntu0.7 | Mar 30, 2026 |
| gir1.2-soup-2.4 · Ubuntu 24.04.5 LTS (noble) | 2.74.3-6ubuntu1.7 | gir1.2-soup-2.4 2.74.3-6ubuntu1.7 | Mar 30, 2026 |
| gir1.2-soup-2.4 · Ubuntu 25.10 (questing) | 2.74.3-10.1ubuntu4.1 | gir1.2-soup-2.4 2.74.3-10.1ubuntu4.1 | Mar 30, 2026 |
| gir1.2-soup-2.4 · Ubuntu 26.04.1 LTS (resolute) | 2.74.3-10.1ubuntu5+esm1 | gir1.2-soup-2.4 2.74.3-10.1ubuntu5+esm1 | Mar 30, 2026 |
| libsoup · opensuse-leap 15.6 | 3.4.4-150600.3.34.1 | SUSE-SU-2026:0690-1 | Feb 27, 2026 |
| libsoup · opensuse-leap 16.0 | 3.6.6-160000.1.1 | OPENSUSE-SU-2026:20384-1 | Mar 18, 2026 |
| libsoup · sles 15.6 | 3.4.4-150600.3.34.1 | SUSE-SU-2026:0690-1 | Feb 27, 2026 |
| libsoup · sles 15.7 | 3.4.4-150600.3.34.1 | SUSE-SU-2026:0690-1 | Feb 27, 2026 |
| libsoup · sles 16.0 | 3.6.6-160000.1.1 | SUSE-SU-2026:20902-1 | Mar 18, 2026 |
| libsoup-2.4-1 · Ubuntu 24.04.5 LTS (noble) | 2.74.3-6ubuntu1.7 | libsoup-2.4-1 2.74.3-6ubuntu1.7 | Mar 30, 2026 |
| libsoup-2.4-1 · Ubuntu 25.10 (questing) | 2.74.3-10.1ubuntu4.1 | libsoup-2.4-1 2.74.3-10.1ubuntu4.1 | Mar 30, 2026 |
| libsoup-2.4-1 · Ubuntu 26.04.1 LTS (resolute) | 2.74.3-10.1ubuntu5+esm1 | libsoup-2.4-1 2.74.3-10.1ubuntu5+esm1 | Mar 30, 2026 |
| libsoup-gnome-2.4-1 · Ubuntu 24.04.5 LTS (noble) | 2.74.3-6ubuntu1.7 | libsoup-gnome-2.4-1 2.74.3-6ubuntu1.7 | Mar 30, 2026 |
| libsoup-gnome-2.4-1 · Ubuntu 25.10 (questing) | 2.74.3-10.1ubuntu4.1 | libsoup-gnome-2.4-1 2.74.3-10.1ubuntu4.1 | Mar 30, 2026 |
| libsoup-gnome-2.4-1 · Ubuntu 26.04.1 LTS (resolute) | 2.74.3-10.1ubuntu5+esm1 | libsoup-gnome-2.4-1 2.74.3-10.1ubuntu5+esm1 | Mar 30, 2026 |
| libsoup-gnome2.4-1 · Ubuntu 18.04.6 LTS (bionic) | 2.62.1-1ubuntu0.4+esm7 | libsoup-gnome2.4-1 2.62.1-1ubuntu0.4+esm7 | Mar 30, 2026 |
| libsoup-gnome2.4-1 · Ubuntu 20.04 LTS (focal) | 2.70.0-1ubuntu0.5+esm2 | libsoup-gnome2.4-1 2.70.0-1ubuntu0.5+esm2 | Mar 30, 2026 |
| libsoup-gnome2.4-1 · Ubuntu 22.04.1 LTS (jammy) | 2.74.2-3ubuntu0.7 | libsoup-gnome2.4-1 2.74.2-3ubuntu0.7 | Mar 30, 2026 |
| libsoup2 · opensuse-leap 15.6 | 2.74.3-150600.4.27.1 | SUSE-SU-2026:0657-1 | Feb 26, 2026 |
| libsoup2 · opensuse-leap 16.0 | 2.74.3-160000.4.1 | OPENSUSE-SU-2026:20354-1 | Mar 13, 2026 |
| libsoup2 · sles 15.6 | 2.74.3-150600.4.27.1 | SUSE-SU-2026:0657-1 | Feb 26, 2026 |
| libsoup2 · sles 15.7 | 2.74.3-150600.4.27.1 | SUSE-SU-2026:0657-1 | Feb 26, 2026 |
| libsoup2.4-1 · Ubuntu 18.04.6 LTS (bionic) | 2.62.1-1ubuntu0.4+esm7 | libsoup2.4-1 2.62.1-1ubuntu0.4+esm7 | Mar 30, 2026 |
| libsoup2.4-1 · Ubuntu 20.04 LTS (focal) | 2.70.0-1ubuntu0.5+esm2 | libsoup2.4-1 2.70.0-1ubuntu0.5+esm2 | Mar 30, 2026 |
| libsoup2.4-1 · Ubuntu 22.04.1 LTS (jammy) | 2.74.2-3ubuntu0.7 | libsoup2.4-1 2.74.2-3ubuntu0.7 | Mar 30, 2026 |
| libsoup2.4-common · Ubuntu 22.04.1 LTS (jammy) | 2.74.2-3ubuntu0.7 | libsoup2.4-common 2.74.2-3ubuntu0.7 | Mar 30, 2026 |
| libsoup2.4-common · Ubuntu 24.04.5 LTS (noble) | 2.74.3-6ubuntu1.7 | libsoup2.4-common 2.74.3-6ubuntu1.7 | Mar 30, 2026 |
| libsoup2.4-common · Ubuntu 25.10 (questing) | 2.74.3-10.1ubuntu4.1 | libsoup2.4-common 2.74.3-10.1ubuntu4.1 | Mar 30, 2026 |
| libsoup2.4-common · Ubuntu 26.04.1 LTS (resolute) | 2.74.3-10.1ubuntu5+esm1 | libsoup2.4-common 2.74.3-10.1ubuntu5+esm1 | Mar 30, 2026 |
| libsoup2.4-tests · Ubuntu 20.04 LTS (focal) | 2.70.0-1ubuntu0.5+esm2 | libsoup2.4-tests 2.70.0-1ubuntu0.5+esm2 | Mar 30, 2026 |
| libsoup2.4-tests · Ubuntu 22.04.1 LTS (jammy) | 2.74.2-3ubuntu0.7 | libsoup2.4-tests 2.74.2-3ubuntu0.7 | Mar 30, 2026 |
| libsoup2.4-tests · Ubuntu 24.04.5 LTS (noble) | 2.74.3-6ubuntu1.7 | libsoup2.4-tests 2.74.3-6ubuntu1.7 | Mar 30, 2026 |
| libsoup2.4-tests · Ubuntu 25.10 (questing) | 2.74.3-10.1ubuntu4.1 | libsoup2.4-tests 2.74.3-10.1ubuntu4.1 | Mar 30, 2026 |
| libsoup2.4-tests · Ubuntu 26.04.1 LTS (resolute) | 2.74.3-10.1ubuntu5+esm1 | libsoup2.4-tests 2.74.3-10.1ubuntu5+esm1 | Mar 30, 2026 |
| libsoup3 · amzn 2023 | 3.6.5-56.amzn2023 | ALAS2023-2026-1460 | Mar 2, 2026 |
| libsoup3-debuginfo · amzn 2023 | 3.6.5-56.amzn2023 | ALAS2023-2026-1460 | Mar 2, 2026 |
| libsoup3-debugsource · amzn 2023 | 3.6.5-56.amzn2023 | ALAS2023-2026-1460 | Mar 2, 2026 |
| libsoup3-devel · amzn 2023 | 3.6.5-56.amzn2023 | ALAS2023-2026-1460 | Mar 2, 2026 |
| libsoup3-doc · amzn 2023 | 3.6.5-56.amzn2023 | ALAS2023-2026-1460 | Mar 2, 2026 |
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