CVE-2026-25506 describes a critical buffer overflow vulnerability in MUNGE versions 0.5 to 0.5.17, impacting Debian and openSUSE distributions. A local attacker can exploit this flaw to leak cryptographic key material from the munged daemon, enabling them to forge arbitrary MUNGE credentials and impersonate any user, including root. With a CVSS score of 7.8 (High), this vulnerability allows for complete compromise of confidentiality, integrity, and availability with low attack complexity. Although no active exploitation or public exploit code has been identified, and community discussion is minimal, the potential impact is severe.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 0.5, < 0.5.18CPE matchmatch criteria | cpe:2.3:a:opensuse:munge:*:*:*:*:*:*:*:* | ||
11.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L
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The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.