Fiche vulnérabilité
CVE-2026-33750 : faille élevée juliangruber brace-expansion (CVSS 7.5)
Description
The brace-expansion library generates arbitrary strings containing a common prefix and suffix. Prior to versions 5.0.5, 3.0.2, 2.0.3, and 1.1.13, a brace pattern with a zero step value (e.g., `{1..2..0}`) causes the sequence generation loop to run indefinitely, making the process hang for seconds and allocate heaps of memory. Versions 5.0.5, 3.0.2, 2.0.3, and 1.1.13 fix the issue. As a workaround, sanitize strings passed to `expand()` to ensure a step value of `0` is not used.
En bref
- Sévérité
- Élevée (CVSS 7.5)
- Vecteur CVSS
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Exploitation active
- Non signalée par la CISA
- Publication
- 27 mars 2026
- Dernière mise à jour
- 17 juin 2026
Produits concernés
- juliangruber brace-expansion
Références
- Fiche CVE-2026-33750 sur le NVD (NIST)
- github.com/juliangruber/brace…
- github.com/juliangruber/brace…
- github.com/juliangruber/brace…
- github.com/juliangruber/brace…
- github.com/juliangruber/brace…
- github.com/juliangruber/brace-expansion/issues/98
- github.com/juliangruber/brace-expansion/pull/95
- github.com/juliangruber/brace-expansion/pull/96
- github.com/juliangruber/brace-expansion/pull/97
- github.com/juliangruber/brace…