RHSA-2026:98453: Important: libsoup security update
The libsoup packages provide an HTTP client and server library for GNOME.Security Fix(es): SoupWebsocketExtensionDeflate: libsoup: libsoup: WebSocket permessage-deflate Unbounded Decompression Remote Denial of Service (CVE-2026-15709) libsoup: SoupWebsocketConnection: libsoup: WebSocket remote denial of service via oversized control frame protocol violation (CVE-2026-15711) libsoup: libsoup: Heap buffer overflow from WebSocket Pong signal type confusion (CVE-2026-102556) libsoup: libsoup: Heap buffer overflow during WebSocket message reassembly (CVE-2026-102557) libsoup: libsoup: Heap buffer overflow during WebSocket receive-buffer growth (CVE-2026-102558) libsoup: libsoup: Heap buffer overflow during WebSocket client-frame masking (CVE-2026-102559) libsoup: libsoup: Heap buffer overflow during outgoing permessage-deflate buffer growth (CVE-2026-102560) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
redhat/libsoupto a version that resolves this vulnerability.Fixed in 2.72.0-17.el9_9.6 - Upgrade
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redhat/libsoup-debuginfoto a version that resolves this vulnerability.Fixed in 2.72.0-17.el9_9.6 - Upgrade
Upgrade
redhat/libsoup-debugsourceto a version that resolves this vulnerability.Fixed in 2.72.0-17.el9_9.6 - Upgrade
Upgrade
redhat/libsoup-develto a version that resolves this vulnerability.Fixed in 2.72.0-17.el9_9.6 - Upgrade
Upgrade
redhat/libsoupto a version that resolves this vulnerability.Fixed in 2.72.0-17.el9_9.6.aa - Upgrade
Upgrade
redhat/libsoup-debuginfoto a version that resolves this vulnerability.Fixed in 2.72.0-17.el9_9.6.aa - Upgrade
Upgrade
redhat/libsoup-debugsourceto a version that resolves this vulnerability.Fixed in 2.72.0-17.el9_9.6.aa - Upgrade
Upgrade
redhat/libsoup-develto a version that resolves this vulnerability.Fixed in 2.72.0-17.el9_9.6.aa