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vulnerabilityCVE-2026-40355
Name
CVE-2026-40355
Source
NVD ( link)Debian ( link)
Description
In MIT Kerberos 5 (aka krb5) before 1.22.3, there is a NULL pointer dereference if an application calls gss_accept_sec_context() on a system with a NegoEx mechanism registered in /etc/gss/mech. An unauthenticated remote attacker can trigger this, causing the process to terminate in parse_nego_message.
Published Date
Updated Date
Workaround
-

Analysis#


Affected Component
Analysis
libkrb5
Exploitable

Vulnerability Ratings#


5.9
CVSSv31
7.5
CVSSv31
NaN
other

Others affected components#


Name
Project
Project Version
Version
Status
buildroot
master
1.22.2
Exploitable
openwrt
master
1.22.2-r1
Exploitable
openwrt
openwrt-25.12
1.22.1-r1
Exploitable
yocto
kirkstone
1.17.2
Not Affected
yocto
master
1.22.2
Exploitable
yocto
scarthgap
1.21.3
Exploitable