Fixed packages 5
| Release | Package | Fixed in |
|---|---|---|
| Red Hat · RHEL 10 enterprise_linux:10.2 | libsoup3 | 0:3.6.5-3.el10_2.20 |
| Red Hat · RHEL 10 enterprise_linux:10.2 | libsoup3-debuginfo | 0:3.6.5-3.el10_2.20 |
| Red Hat · RHEL 10 enterprise_linux:10.2 | libsoup3-debugsource | 0:3.6.5-3.el10_2.20 |
| Red Hat · RHEL 10 enterprise_linux:10.2 | libsoup3-devel | 0:3.6.5-3.el10_2.20 |
| Red Hat · RHEL 10 enterprise_linux:10.2 | libsoup3-doc | 0:3.6.5-3.el10_2.20 |
Vulnerabilities 6
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High 8.6
Libsoup: libsoup: heap buffer overflow from websocket pong signal type confusion
A flaw was found in libsoup. When handling an incoming WebSocket Pong frame, SoupWebsocketConnection emitted the ::pong signal with a GByteArray pointer even though the signal is declared to pass a GBytes. Applications connecting a handler that follows the do…
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High 8.6
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 underlying buffer type. A remote peer could send fragments that caused size truncation …
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High 8.6
Libsoup: libsoup: heap buffer overflow during websocket receive-buffer growth
A flaw was found in libsoup. When max-incoming-payload-size is unlimited (0), SoupWebsocketConnection could grow its incoming GByteArray based on an attacker-controlled frame length until the length wrapped, causing a heap buffer overflow while reading frame …
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High 8.6
Libsoup: libsoup: heap buffer overflow during websocket client-frame masking
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 o…
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High 8.6
Libsoup: libsoup: heap buffer overflow during outgoing permessage-deflate buffer growth
A flaw was found in libsoup. When the permessage-deflate WebSocket extension compresses a very large outgoing message, truncated size calculations used for GByteArray growth could wrap, causing zlib to write past the allocated buffer and resulting in a heap b…
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High 8.2
Libsoup: libsoup: heap buffer overflow via uninitialized length in data-uri base64 decoding
A flaw was found in libsoup. The soup_uri_decode_data_uri() function incorrectly treated base64 data-URI payloads as NUL-terminated strings when calling g_base64_decode_inplace(). If the percent-decoded payload contained embedded NUL bytes, the decoded length…
References
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article
https://access.redhat.com/security/updates/classification/#important
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2543224
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2543229
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2543231
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2543274
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2543285
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2543296
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advisory
https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_83618.json
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report
https://access.redhat.com/security/cve/CVE-2026-102555
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advisory
https://www.cve.org/CVERecord?id=CVE-2026-102555
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advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-102555
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report
https://access.redhat.com/security/cve/CVE-2026-102556
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advisory
https://www.cve.org/CVERecord?id=CVE-2026-102556
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advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-102556
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report
https://access.redhat.com/security/cve/CVE-2026-102557
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advisory
https://www.cve.org/CVERecord?id=CVE-2026-102557
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advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-102557
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report
https://access.redhat.com/security/cve/CVE-2026-102558
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advisory
https://www.cve.org/CVERecord?id=CVE-2026-102558
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advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-102558
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report
https://access.redhat.com/security/cve/CVE-2026-102559
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advisory
https://www.cve.org/CVERecord?id=CVE-2026-102559
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advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-102559
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report
https://access.redhat.com/security/cve/CVE-2026-102560
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advisory
https://www.cve.org/CVERecord?id=CVE-2026-102560
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advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-102560