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A flaw was found in libsoup. When max-incoming-payload-size is unlimited (0), SoupWebsocketConnection could grow its incoming GByteArray based on an attacker-controlled frame length until the length wrapped, causing a heap buffer overflow while reading frame data.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade libsoupUpgrade libsoup-devel | Oct 15, 2026 | Oct 15, 2026 |
| Amazon Linux Ami 2 | — | Upgrade libsoup-debuginfoUpgrade libsoupUpgrade libsoup-devel | Oct 19, 2026 | Oct 19, 2026 |
| Amazon_linux_2023 | — | Upgrade libsoup-docUpgrade libsoup-debuginfoUpgrade libsoup-develUpgrade libsoup-debugsourceUpgrade libsoup | Oct 13, 2026 | Sep 29, 2026 |
| Oracle_linux | — | Upgrade libsoup3-develUpgrade libsoupUpgrade libsoup3-docUpgrade libsoup-develUpgrade libsoup3 | Oct 22, 2026 | Sep 29, 2026 |
| Redhat_linux | — | No solution existsUpgrade libsoup-debugsourceUpgrade libsoup3-docUpgrade libsoup3-develUpgrade libsoup3-debuginfoUpgrade libsoup-debuginfoUpgrade libsoupUpgrade libsoup3-debugsourceUpgrade libsoup3Upgrade libsoup-devel | Oct 1, 2026 | Sep 3, 2026 |
| Rocky_linux | — | Upgrade libsoup-debuginfoUpgrade libsoup-develUpgrade libsoupUpgrade libsoup-debugsource | Oct 19, 2026 | Oct 16, 2026 |
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