CVE-2015-4155
GNU Parallel before 20150422, when using (1) --pipe, (2) --tmux, (3) --cat, (4) --fifo, or (5) -...
CVE-2015-4155 is a low vulnerability (CVSS 3.6) in Gnu Parallel, published June 2, 2015. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.37%, the 31st percentile. Fixed in parallel 20161222-1.
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.
Exploit likelihood
What each source reports
NVD Score used
3.6
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.
- Record
CVE-2015-4155- CVSS 2.0
- 3.6 Low
AV:L/AC:L/Au:N/C:N/I:P/A:P - Weakness
- CWE-59
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2015-4155- Updated
- 2026-11-02
EUVDEUVD-2015-4179 No score
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.
- Record
EUVD-2015-4179- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-gcr9-32r6-7cx2 No score
GNU Parallel before 20150422, when using (1) --pipe, (2) --tmux, (3) --cat, (4) --fifo, or (5) -...
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.
- Record
GHSA-gcr9-32r6-7cx2- Weakness
- CWE-59
- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2015-4155- Updated
- 2026-11-02
OSVDEBIAN-CVE-2015-4155 No score
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.
- Record
DEBIAN-CVE-2015-4155- Updated
- 2026-11-02
OSVUBUNTU-CVE-2015-4155 No score
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.
- Record
UBUNTU-CVE-2015-4155- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
parallelDebian:12 |
before 20161222-1 | 20161222-1 |
parallelDebian:13 |
before 20161222-1 | 20161222-1 |
parallelDebian:14 |
before 20161222-1 | 20161222-1 |
parallelUbuntu:16.04:LTS |
before 20161222-1~ubuntu0.16.04.1, plus listed versions 20141022+ds1-1 |
20161222-1~ubuntu0.16.04.1 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |
References
lists.gnu.org/archive/html/parallel/2015-04/msg00045.html
lists.gnu.org/archive/html/parallel/2015-05/msg00024.html
securityfocus.com/bid/74962
nvd.nist.gov/vuln/detail/CVE-2015-4155
github.com/advisories/GHSA-gcr9-32r6-7cx2
security-tracker.debian.org/tracker/CVE-2015-4155
ubuntu.com/security/CVE-2015-4155
cve.org/CVERecord?id=CVE-2015-4155