Out-of-bounds Read in Gtermars Javascript::minifier::xs
CVE-2026-56017
JavaScript::Minifier::XS versions before 0.16 for Perl crash with a NULL pointer dereference when the first meaningful token of the input is a slash. The regexp versus division disambiguator in JsTokenizeString (XS.xs) inspects the previo…
Vulnerability class: Buffer Overflow
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Gtermars Javascript::minifier::xs — versions 0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-56017?
- CVE-2026-56017 is a high-severity vulnerability in Gtermars Javascript::minifier::xs, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2026-06-29.
- How severe is CVE-2026-56017?
- High severity. CVSS v3 base score is 7.5 out of 10.