High severity8.6NVD Advisory· Published Sep 29, 2026· Updated Sep 29, 2026
CVE-2026-102560
CVE-2026-102560
Description
A flaw was found in libsoup. When the permessage-deflate WebSocket extension compresses a very large outgoing message, truncated size calculations used for GByteArray growth could wrap, causing zlib to write past the allocated buffer and resulting in a heap buffer overflow.
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Affected products
1Patches
Vulnerability mechanics
References
2News mentions
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