What’s Vulnerable › Vulnerabilities

CVE-2013-7449

• Severity: medium (CVSS 6.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2016-04-21 · updated 2026-06-17
• Weakness: CWE-310

Description

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.

Affected products

• Canonical Ubuntu Linux: 12.04, 14.04, 15.10
• Hexchat Project Hexchat: through 2.10.1
• xchat: all versions
• Xchat Gnome: all versions

References

• http://hexchat.readthedocs.org/en/latest/changelog.html
• http://www.ubuntu.com/usn/USN-2945-1
• https://bugzilla.redhat.com/show_bug.cgi?id=1081839
• https://github.com/hexchat/hexchat/commit/c9b63f7f9be01692b03fa15275135a4910a7e02d
• https://github.com/hexchat/hexchat/issues/524
• http://hexchat.readthedocs.org/en/latest/changelog.html
• http://www.ubuntu.com/usn/USN-2945-1
• https://bugzilla.redhat.com/show_bug.cgi?id=1081839
• https://github.com/hexchat/hexchat/commit/c9b63f7f9be01692b03fa15275135a4910a7e02d
• https://github.com/hexchat/hexchat/issues/524

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