CVE-2026-2436
libsoup3: Denial of Service via use-after-free in SoupServer during TLS handshake
CVE-2026-2436 is fixed in 5 products on 1 platform, first by ALAS2023-2026-1778, released June 8, 2026. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
n/a
moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0046
39th percentile
Denial of Service via use-after-free in SoupServer during TLS handshake
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libsoup3 · amzn 2023 | 3.6.6-58.amzn2023 | ALAS2023-2026-1778 | Jun 8, 2026 |
| libsoup3-debuginfo · amzn 2023 | 3.6.6-58.amzn2023 | ALAS2023-2026-1778 | Jun 8, 2026 |
| libsoup3-debugsource · amzn 2023 | 3.6.6-58.amzn2023 | ALAS2023-2026-1778 | Jun 8, 2026 |
| libsoup3-devel · amzn 2023 | 3.6.6-58.amzn2023 | ALAS2023-2026-1778 | Jun 8, 2026 |
| libsoup3-doc · amzn 2023 | 3.6.6-58.amzn2023 | ALAS2023-2026-1778 | Jun 8, 2026 |
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