CVE-2026-35381
cut routes -z -d '' through a special newline-delimiter path that ignores the -s only-delimited flag, emitting whole undelimited records (plus NUL) that should be suppressed. Pipelines relying on cut -s to drop undelimited records process data that should be filtered.
printf 'abc' | cut -z -d '' -s -f 1 | od -An -tx1 # GNU: no output ; uutils: 61 62 63 00
_Zellic private finding (zellic-ext/coreutils-private PR #102). Reported in the Zellic *uutils coreutils Program Security Assessment* (for Canonical, Jan 2026), audited commit 3a07ffc5a9bd4c283e75afa548ba1f1957bad242._
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Exploitation outlook
- Low exploitation risk0.18% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 8% of all EPSS-scored CVEs.
Advisory coverage (1)
- lowGHSA-pmfc-4wjj-gmhx: cut: -s ignored in -z -d '' newline-delimiter modeghsa · 2026-07-06
External references
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