CVE-2026-35342
low
CVSS v3
3.3
CVSS v2
—
VIR risk
3.3
Description
uutils coreutils' mktemp utility doesn't properly handle an empty TMPDIR environment variable
Predictions
Exploit likelihood
34%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2026-35342
Vendor advisory: security@ubuntu.com — https://github.com/uutils/coreutils/releases/tag/0.6.0
Vendor advisory: security@ubuntu.com — https://github.com/uutils/coreutils/pull/10566
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | affected | |
| debian | sid | fixed | 0.6.0-1 |
| debian | trixie | affected | |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| uutils | coreutils | {"endExcluding":"0.6.0"} | 0.6.0 |
References
- https://github.com/uutils/coreutils/pull/10566
- https://github.com/uutils/coreutils/releases/tag/0.6.0
- https://nvd.nist.gov/vuln/detail/CVE-2026-35342
- https://github.com/uutils/coreutils/commit/eb25ec328b226d8fbbaa4058bf9187165bf06d51
- https://github.com/uutils/coreutils
- https://security-tracker.debian.org/tracker/CVE-2026-35342
- https://github.com/advisories/GHSA-2cxp-xq3c-mjxx
CWEs
CWE-377
Verify integrity in audit chain (admin only). AS-IS.