libsoup: libsoup: Heap use-after-free in libsoup HTTP/2 client on_data_read() via GOAWAY during body upload

A flaw was found in libsoup. A malicious HTTP/2 server or a Man-in-the-Middle MITM attacker can exploit a heap use-after-free vulnerability in the HTTP/2 client implementation. This occurs when a GNOME application uploads a file using HTTP/2, and the server sends a GOAWAY frame while the file bod...

Important: Red Hat Security Advisory: libsoup3 security update

An update for libsoup3 is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available f...

Rocky Linux 8 [CIQ] Security Update: java-21-openjdk / java-21-openjdk-debuginfo / etc Multiple Vulnerabilities (crlsa-2024_1828)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20241828 advisory. OpenJDK: long Exception message leading to crash 8319851 CVE-2024-21011 OpenJDK: integer overflow in C1 compiler address generation 8322122 CVE-2024-21068...

CLEANSTART-2026-YT70018 When a server is configured to support unencrypted HTTP/2, it reads a few bytes from each new connection to see if they contain the HTTP/2 client preface

Security vulnerability affects the loki package. When a server is configured to support unencrypted HTTP/2, it reads a few bytes from each new connection to see if they contain the HTTP/2 client preface...

CLEANSTART-2026-RR86814 When a server is configured to support unencrypted HTTP/2, it reads a few bytes from each new connection to see if they contain the HTTP/2 client preface

CVE-2026-56853 affects multiple packages. When a server is configured to support unencrypted HTTP/2, it reads a few bytes from each new connection to see if they contain the HTTP/2 client preface. See references for individual vulnerability details...

AlmaLinux 10 : libsoup3 (ALSA-2026:68235)

The remote AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:68235 advisory. SoupWebsocketExtensionDeflate: libsoup: libsoup: WebSocket permessage-deflate Unbounded Decompression Remote Denial of Service CVE-2026-15709 libsoup:...

SUSE CVE-2026-85197

A flaw was found in libsoup. A malicious HTTP/2 server or a Man-in-the-Middle MITM attacker can exploit a heap use-after-free vulnerability in the HTTP/2 client implementation. This occurs when a GNOME application uploads a file using HTTP/2, and the server sends a GOAWAY frame while the file bod...

DEBIAN-CVE-2026-85534

A flaw was found in libsoup. When a client sends an HTTP/2 request body from a non-pollable input stream, the library can buffer more data than the current flow-control window later allows. A malicious HTTP/2 server can shrink SETTINGSINITIALWINDOWSIZE while that buffered read is still in progres...

CVE-2026-85534 Libsoup: libsoup: http/2 client crash in on_data_source_read_callback when settings initial_window_size shrinks during deferred body read

A flaw was found in libsoup. When a client sends an HTTP/2 request body from a non-pollable input stream, the library can buffer more data than the current flow-control window later allows. A malicious HTTP/2 server can shrink SETTINGSINITIALWINDOWSIZE while that buffered read is still in progres...

CVE-2026-85534 Libsoup: libsoup: http/2 client crash in on_data_source_read_callback when settings initial_window_size shrinks during deferred body read

A flaw was found in libsoup. When a client sends an HTTP/2 request body from a non-pollable input stream, the library can buffer more data than the current flow-control window later allows. A malicious HTTP/2 server can shrink SETTINGSINITIALWINDOWSIZE while that buffered read is still in progres...

CVE-2026-85534

A flaw in libsoup 's HTTP/2 client can crash the process when a malicious server manipulates flow-control settings. When a client sends a request body from a non-pollable input stream , the library may buffer more data than the current flow-control window allows. A remote HTTP/2 server can then s...

AZL-99915 CVE-2026-85197 affecting package libsoup for versions less than 3.4.4-17

A flaw was found in libsoup. A malicious HTTP/2 server or a Man-in-the-Middle MITM attacker can exploit a heap use-after-free vulnerability in the HTTP/2 client implementation. This occurs when a GNOME application uploads a file using HTTP/2, and the server sends a GOAWAY frame while the file bod...

DEBIAN-CVE-2026-85197

A flaw was found in libsoup. A malicious HTTP/2 server or a Man-in-the-Middle MITM attacker can exploit a heap use-after-free vulnerability in the HTTP/2 client implementation. This occurs when a GNOME application uploads a file using HTTP/2, and the server sends a GOAWAY frame while the file bod...

CVE-2026-85197

A flaw was found in libsoup. A malicious HTTP/2 server or a Man-in-the-Middle MITM attacker can exploit a heap use-after-free vulnerability in the HTTP/2 client implementation. This occurs when a GNOME application uploads a file using HTTP/2, and the server sends a GOAWAY frame while the file bod...

CVE-2026-85197

libsoup contains a heap use-after-free in its HTTP/2 client implementation, specifically in the on_data_read() function. The vulnerability is triggered when a GNOME application uploads a file over HTTP/2 and a malicious server or MITM attacker sends a GOAWAY frame while the file body is still bei...

EUVD-2026-70953

A flaw was found in libsoup. A malicious HTTP/2 server or a Man-in-the-Middle MITM attacker can exploit a heap use-after-free vulnerability in the HTTP/2 client implementation. This occurs when a GNOME application uploads a file using HTTP/2, and the server sends a GOAWAY frame while the file bod...

CVE-2026-85197 Libsoup: libsoup: heap use-after-free in libsoup http/2 client on_data_read() via goaway during body upload

A flaw was found in libsoup. A malicious HTTP/2 server or a Man-in-the-Middle MITM attacker can exploit a heap use-after-free vulnerability in the HTTP/2 client implementation. This occurs when a GNOME application uploads a file using HTTP/2, and the server sends a GOAWAY frame while the file bod...

CVE-2026-85197 Libsoup: libsoup: heap use-after-free in libsoup http/2 client on_data_read() via goaway during body upload

A flaw was found in libsoup. A malicious HTTP/2 server or a Man-in-the-Middle MITM attacker can exploit a heap use-after-free vulnerability in the HTTP/2 client implementation. This occurs when a GNOME application uploads a file using HTTP/2, and the server sends a GOAWAY frame while the file bod...

CVE-2026-85197

A flaw was found in libsoup. A malicious HTTP/2 server or a Man-in-the-Middle MITM attacker can exploit a heap use-after-free vulnerability in the HTTP/2 client implementation. This occurs when a GNOME application uploads a file using HTTP/2, and the server sends a GOAWAY frame while the file bod...

CVE-2026-85197

A flaw was found in libsoup. A malicious HTTP/2 server or a Man-in-the-Middle MITM attacker can exploit a heap use-after-free vulnerability in the HTTP/2 client implementation. This occurs when a GNOME application uploads a file using HTTP/2, and the server sends a GOAWAY frame while the file bod...