https://patchthecve.com/CVEs with upgrade or downgrade fix stepshttps://patchthecve.com/cve/CVE-2016-2233.htmlhttps://patchthecve.com/cve/CVE-2016-2233.htmlWed, 17 Jun 2026 00:43:42 +0000HIGH 7.5: Stack-based buffer overflow in the inbound_cap_ls function in common/inbound.c in HexChat 2.10.2 allows remote IRC servers to cause a denial of service (crash) via a large number of options in a CAP LS message.https://patchthecve.com/cve/CVE-2016-2087.htmlhttps://patchthecve.com/cve/CVE-2016-2087.htmlWed, 17 Jun 2026 00:43:24 +0000HIGH 7.4: Directory traversal vulnerability in the client in HexChat 2.11.0 allows remote IRC servers to read or modify arbitrary files via a .. (dot dot) in the server name.https://patchthecve.com/cve/CVE-2013-7449.htmlhttps://patchthecve.com/cve/CVE-2013-7449.htmlWed, 17 Jun 2026 00:01:58 +0000MEDIUM 6.5: The ssl_do_connect function in common/server.c in HexChat before 2.10.2, XChat, and XChat-GNOME does not verify that the server hostname matches a domain name in the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.