Detections
Analytics
CVE-2026-102559
high
Description
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.
References
https://bugzilla.redhat.com/show_bug.cgi?id=2543285
https://access.redhat.com/security/cve/CVE-2026-102559
https://access.redhat.com/errata/RHSA-2026:93716
https://access.redhat.com/errata/RHSA-2026:93583
https://access.redhat.com/errata/RHSA-2026:93466
https://access.redhat.com/errata/RHSA-2026:93465
https://access.redhat.com/errata/RHSA-2026:93447
https://access.redhat.com/errata/RHSA-2026:93446
https://access.redhat.com/errata/RHSA-2026:93445
https://access.redhat.com/errata/RHSA-2026:92347
https://access.redhat.com/errata/RHSA-2026:84586