CVE-2026-35381Low· 3.3▾ Sunlitcut: -s ignored in -z -d '' newline-delimiter mode
▾ Sunlit zone — Low / medium · no exploitation signal
impact 18.2 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Jul 31.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via OSV
0.2%
Last analysed / modified upstream
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.
uu_cut < 0.8.0Upgrade to a patched release:
uu_cut 0.8.0Connected by shared product, vendor, weakness, or advisory.
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