CVE-2026-61848

ruby-crass: Crass is a Ruby CSS parser that's fully compliant with the CSS Syntax Level 3 specification

CVE-2026-61848 is fixed in ruby-crass on 1 platform by DEBIAN-CVE-2026-61848 (version 1.0.7-1), released October 31, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
n/a
No vendor severity
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0049
42nd percentile

Crass is a Ruby CSS parser that's fully compliant with the CSS Syntax Level 3 specification. Prior to 1.0.7, when Crass parses input containing `non-ASCII characters`, inefficiencies in tracking the positions of `multi-byte characters` result in superlinear parsing time. An attacker-controlled CSS input consisting of many `non-ASCII characters` can therefore cause excessive CPU consumption and potentially denial of service. This issue is fixed in version 1.0.7.

Where it's fixed

ProductFixed inFixReleased
Linux
ruby-crass · Debian 14 1.0.7-1 DEBIAN-CVE-2026-61848 Oct 31, 2026

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