CVE-2026-102559

HIGHCVSS 8.6

A flaw was found in libsoup. When constructing a masked WebSocket client frame for a very large outgoing payload, size values passed to GByteArray allocation APIs could be truncated while the masking routine still used the full length, causing a heap buffer overflow.

Published 2026-09-29 · last modified 2026-09-29

Full record at NVD ↗

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Ncerio by BeyondNets · data from NVD, CISA KEV, EPSS.