CVE-2013-0296

Race condition in pigz before 2.2.5 uses permissions derived from the umask when compressing a file before setting that file's permissions to match those of the original file, which might allow local users to bypass intended access permissions while compression is occurring.

Published: 2014-04-27 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2013-0296 is rated Low Risk (26.9/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.34%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2013-0296

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.04% 0.34% +0.29%
2 2025-03-30 0.07% 0.04% -0.02%
3 2025-03-29 0.07%

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-0296

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.4 2.0 MEDIUM
AV:L/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
3.4 6.4 [email protected]

Weakness enumeration for CVE-2013-0296

OS Trackers for CVE-2013-0296

vendor priority summary link
debian low CVE-2013-0296 low priority: Debian including 1 source packages (pigz), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2013-0296
ubuntu medium CVE-2013-0296 medium priority: Ubuntu including 1 source packages (pigz), 15 status rows across 15 suites (hardy, lucid, oneiric, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): ignored 9, not-affected 4, DNE 1, released 1. https://ubuntu.com/security/CVE-2013-0296

Affected software / configurations for CVE-2013-0296

Vendor Product Version Raw CPE
zlib pigz <= 2.2.4-1 cpe:2.3:a:zlib:pigz:*:*:*:*:*:*:*:*

References for CVE-2013-0296

cvelogic Threat Intelligence