CVE-2026-12549 Libsoup: incomplete fix for cve-2026-2443: range suffix overflow in libsoup soupserver

The fix for CVE-2026-2443 was regressed by a subsequent rework commit that replaced specific overflow checks with a general signed comparison. When a client sends a Range request with a suffix length exceeding the content size, the resulting negative start value is not properly clamped, leading t...

CVE-2026-12549

The CVE-2026-12549 entry concerns GNOME Libsoup (soupserver). A regression after the fix for CVE-2026-2443 replaced specific overflow checks with a general signed comparison. When a client issues a Range request with a suffix length exceeding the content size, the resulting negative start value i...

ROOT-OS-DEBIAN-13-CVE-2026-5119 CVE-2026-5119 in rootio-libsoup3 - Patched by Root

Root has patched CVE-2026-5119 in the rootio-libsoup3 package for Root:Debian:13. Multiple fixed versions available...

Astra Linux – Vulnerability in libsoup2.4

A flaw was discovered in libsoup. The implementation of HTTP range requests is vulnerable to a resource consumption attack. This flaw allows a malicious client to request the same range multiple times in a single HTTP request, causing the server to use large amounts of memory. This does not resul...

Astra Linux – Vulnerability in libsoup2.4

A flaw was discovered in libsoup, where the soupmessageheadersgetcontentdisposition function is vulnerable to a NULL pointer dereference. This flaw allows a malicious HTTP peer to crash a libsoup client or server that uses this function...

Astra Linux – Vulnerability in libsoup2.4

A flaw was discovered in libsoup, where SoupAuthDigest is vulnerable to a NULL pointer dereference. The HTTP server may cause the libsoup client to crash...

Astra Linux – Vulnerability in libsoup2.4

A flaw was discovered in libsoup, where the soupmultipartnewfrommessage function is vulnerable to an out-of-bounds read. This flaw allows a malicious HTTP client to induce the libsoup server to read data beyond its intended range...

Astra Linux – Vulnerability in libsoup2.4

GNOME libsoup before version 3.6.1 has an infinite loop and consumes a large amount of memory during the reading of certain patterns of WebSocket data from clients...

Astra Linux – Vulnerability in libsoup2.4

A flaw was discovered in libsoup. A vulnerability exists in the functions snifffeedorhtml and skipinsignificantspace, which may lead to an over-reading of the heap buffer...

Astra Linux – Vulnerability in libsoup2.4

A flaw was discovered in libsoup, where the soupheadersparserequest function may be vulnerable to an out-of-bound read. This flaw allows a malicious user to use a specially crafted HTTP request to crash the HTTP server...

SUSE SLED15 / SLES15 Security Update : libsoup (SUSE-SU-2026:2314-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2314-1 advisory. This update for libsoup fixes the following issues - CVE-2026-1801: HTTP Request Smuggling in...

OESA-2026-2618 libsoup security update

libsoup is an HTTP client/server library for GNOME. It uses GObjects and the glib main loop, to integrate well with GNOME applications, and also has a synchronous API, for use in threaded applications. Security Fixes: A flaw was found in libsoup. The SoupWebsocketConnection may accept a large...

OESA-2026-2617 libsoup security update

libsoup is an HTTP client/server library for GNOME. It uses GObjects and the glib main loop, to integrate well with GNOME applications, and also has a synchronous API, for use in threaded applications. Security Fixes: A flaw was found in libsoup. The SoupWebsocketConnection may accept a large...

OESA-2026-2616 libsoup security update

libsoup is an HTTP client/server library for GNOME. It uses GObjects and the glib main loop, to integrate well with GNOME applications, and also has a synchronous API, for use in threaded applications. Security Fixes: A flaw was found in libsoup. A remote attacker could exploit an unsigned to...

OESA-2026-2615 libsoup security update

libsoup is an HTTP client/server library for GNOME. It uses GObjects and the glib main loop, to integrate well with GNOME applications, and also has a synchronous API, for use in threaded applications. Security Fixes: A flaw was found in libsoup. A remote attacker could exploit an unsigned to...

EulerOS 2.0 SP13 : libsoup (EulerOS-SA-2026-2298)

According to the versions of the libsoup packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A flaw was found in libsoup. When establishing HTTPS tunnels through a configured HTTP proxy, sensitive session cookies are transmitted in...

EulerOS 2.0 SP13 : libsoup (EulerOS-SA-2026-2341)

According to the versions of the libsoup packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A flaw was found in libsoup. When establishing HTTPS tunnels through a configured HTTP proxy, sensitive session cookies are transmitted in...

Security update for libsoup

This update for libsoup fixes the following issues CVE-2026-1801: HTTP Request Smuggling in soupfilterinputstreamreadline bsc1257649. CVE-2026-4271: use-after-free in the HTTP/2 server when user signal handlers disconnect connections during callback execution bsc1259767. Patch Instructions: To...

RHSA-2026:24722 Red Hat Security Advisory: libsoup security update

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libsoup: libsoup: Information disclosure via cleartext transmission of cookies during HTTPS tunnel establishment

A flaw was found in libsoup. When establishing HTTPS tunnels through a configured HTTP proxy, sensitive session cookies are transmitted in cleartext within the initial HTTP CONNECT request. A network-positioned attacker or a malicious HTTP proxy can intercept these cookies, leading to potential...