CVE-2015-4155

low
Published 2015-06-02 · Modified 2026-05-06
CVSS v3
CVSS v2
3.6
VIR risk
3.6

Description

GNU Parallel before 20150422, when using (1) --pipe, (2) --tmux, (3) --cat, (4) --fifo, or (5) --compress, allows local users to write to arbitrary files via a symlink attack on a temporary file.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2015-4155

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — http://lists.gnu.org/archive/html/parallel/2015-05/msg00024.html

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — http://lists.gnu.org/archive/html/parallel/2015-04/msg00045.html

OS impact

OSVersionStatusFixed in
debian debianbookwormfixed20161222-1
debian debianbullseyefixed20161222-1
debian debianforkyfixed20161222-1
debian debiansidfixed20161222-1
debian debiantrixiefixed20161222-1

Application impact

VendorProductVersionsFixed
gnuparallel{"endIncluding":"20150322"}

References

CWEs

CWE-59

Verify integrity in audit chain (admin only). AS-IS.