Source: libsoup3 Version: 3.6.6-1 Severity: important Tags: security upstream Forwarded: https://gitlab.gnome.org/GNOME/libsoup/-/issues/496 X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>
Hi, The following vulnerability was published for libsoup3. CVE-2026-4271[0]: | A flaw was found in libsoup, a library for handling HTTP requests. | This vulnerability, known as a Use-After-Free, occurs in the HTTP/2 | server implementation. A remote attacker can exploit this by sending | specially crafted HTTP/2 requests that cause authentication | failures. This can lead to the application attempting to access | memory that has already been freed, potentially causing application | instability or crashes, resulting in a Denial of Service (DoS). If you fix the vulnerability please also make sure to include the CVE (Common Vulnerabilities & Exposures) id in your changelog entry. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2026-4271 https://www.cve.org/CVERecord?id=CVE-2026-4271 [1] https://gitlab.gnome.org/GNOME/libsoup/-/issues/496 Please adjust the affected versions in the BTS as needed. Regards, Salvatore
