Fixed packages 4
| Release | Package | Fixed in |
|---|---|---|
| Red Hat · RHEL 9.6 EUS rhel_eus:9.6::appstream | libsoup | 0:2.72.0-10.el9_6.9 |
| Red Hat · RHEL 9.6 EUS rhel_eus:9.6::appstream | libsoup-debuginfo | 0:2.72.0-10.el9_6.9 |
| Red Hat · RHEL 9.6 EUS rhel_eus:9.6::appstream | libsoup-debugsource | 0:2.72.0-10.el9_6.9 |
| Red Hat · RHEL 9.6 EUS rhel_eus:9.6::appstream | libsoup-devel | 0:2.72.0-10.el9_6.9 |
Vulnerabilities 2
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High 7.5
Soupwebsocketextensiondeflate: libsoup: libsoup: websocket permessage-deflate unbounded decompression remote denial of service
A flaw was found in libsoup's WebSocket implementation when using the permessage-deflate extension. The extension's decompression loop (inflate()) processes data in chunks without enforcing an upper boundary limit on the output buffer size. While libsoup limi…
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High 7.5
Libsoup: soupwebsocketconnection: libsoup: websocket remote denial of service via oversized control frame protocol violation
A vulnerability was found in libsoup's WebSocket frame parsing implementation. The library fails to validate length rules specified in RFC 6455 §5.5, which mandates that all WebSocket control frames (e.g., PING, PONG, CLOSE) contain a payload of 125 bytes or …
References
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article
https://access.redhat.com/security/updates/classification/#moderate
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2499922
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2499924
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advisory
https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_68612.json
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report
https://access.redhat.com/security/cve/CVE-2026-15709
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advisory
https://www.cve.org/CVERecord?id=CVE-2026-15709
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advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-15709
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article
https://gitlab.gnome.org/GNOME/libsoup/-/issues/511
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report
https://access.redhat.com/security/cve/CVE-2026-15711
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advisory
https://www.cve.org/CVERecord?id=CVE-2026-15711
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advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-15711
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article
https://gitlab.gnome.org/GNOME/libsoup/-/issues/515