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Message-ID: <878qcr4991.fsf@gentoo.org>
Date: Tue, 17 Feb 2026 16:36:58 +0000
From: Sam James <sam@...too.org>
To: oss-security@...ts.openwall.com
Subject: Re: CVE-2026-25506: MUNGE 0.5-0.5.17 buffer overflow
allowing key leakage
Chris Dunlap <chris.m.dunlap@...il.com> writes:
> A buffer overflow vulnerability in MUNGE allows a local attacker to
> leak cryptographic key material from the munged daemon process
> memory. With the leaked key material, the attacker could forge
> arbitrary MUNGE credentials to impersonate any user to services that
> rely on MUNGE for authentication.
Thanks for posting this to oss-security.
> [...]
>
> There is no indication this vulnerability is being exploited in the
> wild. The vulnerability was discovered during a security audit and
> responsibly disclosed.
>
> [...]
I see there's a writeup published now as well:
https://blog.lexfo.fr/munge-heap-buffer-overflow.html
> Reported by Titouan Lazard (LEXFO).
sam
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