What’s Vulnerable › Vulnerabilities

CVE-2015-4155

• Severity: low (CVSS 3.6 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2015-06-02 · updated 2026-06-17
• Weakness: CWE-59

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.

Affected products

• GNU Parallel: through 20150322

References

• http://lists.gnu.org/archive/html/parallel/2015-04/msg00045.html
• http://lists.gnu.org/archive/html/parallel/2015-05/msg00024.html
• http://www.securityfocus.com/bid/74962
• http://lists.gnu.org/archive/html/parallel/2015-04/msg00045.html
• http://lists.gnu.org/archive/html/parallel/2015-05/msg00024.html
• http://www.securityfocus.com/bid/74962

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