Source: libsoup3 Version: 3.6.6-1 Severity: important Tags: security upstream Forwarded: https://gitlab.gnome.org/GNOME/libsoup/-/work_items/532 X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>
Hi, The following vulnerability was published for libsoup3. CVE-2026-66337[0]: | A flaw was found in libsoup. An unsigned integer underflow in the | soup_filter_input_stream_read_until() function causes a heap buffer | over-read when parsing multipart HTTP responses. A malicious HTTP | server can exploit this by sending a crafted multipart response, | potentially causing the client application to crash or disclose | sensitive heap memory. 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-2026-66337 https://www.cve.org/CVERecord?id=CVE-2026-66337 [1] https://gitlab.gnome.org/GNOME/libsoup/-/work_items/532 Please adjust the affected versions in the BTS as needed. Regards, Salvatore
