Critical severity9.8NVD Advisory· Published Feb 8, 2024· Updated Jun 17, 2026

CVE-2024-25189

Description

libjwt 1.15.3 uses strcmp (which is not constant time) to verify authentication, which makes it easier to bypass authentication via a timing side channel.

Affected products

Libjwt/Libjwt3 versions
cpe:2.3:a:libjwt:libjwt:1.15.3:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:libjwt:libjwt:1.15.3:*:*:*:*:*:*:*
- (no CPE)
- (no CPE)range: <=1.15.3
Debian/linux
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

github.com/P3ngu1nW/CVE_Request/blob/main/benmcollins%3Alibjwt.mdnvdExploitThird Party Advisory
lists.debian.org/debian-lts-announce/2024/02/msg00009.htmlnvdMailing ListThird Party Advisory

News mentions

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cvss	0.637
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000