CVE-2026-102557 — Libsoup: libsoup: heap buffer overflow during websocket message reassembly
A flaw was found in libsoup. When reassembling fragmented WebSocket messages into a GByteArray, libsoup did not adequately cap total message size against the limits of the under…
Published: 2026-09-29 · CVSS: 8.6 · CVSS 3.1
A flaw was found in libsoup. When reassembling fragmented WebSocket messages into a GByteArray, libsoup did not adequately cap total message size against the limits of the underlying buffer type. A remote peer could send fragments that caused size truncation while the implementation still used the full length, leading to heap corruption or a crash.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7