CVE-2026-10028

A flaw was found in glib-networking. A remote attacker can exploit this vulnerability by presenting a specially crafted certificate chain to an application that uses glib-networking with the GnuTLS backend enabled and performs certificate verification. This crafted chain, which contains circular...

CVE-2026-10028

A flaw was found in glib-networking. A remote attacker can exploit this vulnerability by presenting a specially crafted certificate chain to an application that uses glib-networking with the GnuTLS backend enabled and performs certificate verification. This crafted chain, which contains circular...

The vulnerability was exploited in Exim.

The developers of Exim introduced a vulnerability in the Exim Mail Transfer Agent versions prior to 4.99.3. This vulnerability involves a use-after-free in the BDAT body parsing process, specifically when certain GnuTLS backend configurations are used. An unauthorized attacker can exploit this...

CVE-2026-45185

Exim before 4.99.3, in certain GnuTLS configurations, has a remotely reachable use-after-free in the BDAT body parsing path. It is triggered when a client sends a TLS closenotify mid-body during a CHUNKING transfer, followed by a final cleartext byte on the same TCP connection. This can lead to...

CVE-2026-42225 GnuTLS backend silently skips certificate chain verification when verify_peer is false

PJSIP is a free and open source multimedia communication library written in C. Prior to version 2.17, on GnuTLS builds, the SIP TLS transport siptransporttls can accept connections with invalid or untrusted certificates even when the application explicitly enables certificate verification via...