CVE-2003-0367

znew in the gzip package allows local users to overwrite arbitrary files via a symlink attack on temporary files.

Published: 2003-07-02 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2003-0367 is rated Low Risk (21/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.45%). 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-2003-0367

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 0.14% 0.45% +0.31%
2 2025-03-30 0.20% 0.14% -0.06%
3 2025-03-29 0.20%

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2003-0367

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
2.1 2.0 LOW
AV:L/AC:L/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
3.9 2.9 [email protected]

Weakness enumeration for CVE-2003-0367

OS Trackers for CVE-2003-0367

vendor priority summary link
debian not yet assigned CVE-2003-0367 not yet assigned priority: Debian including 1 source packages (gzip), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2003-0367
redhat medium https://access.redhat.com/security/cve/CVE-2003-0367

Vendor comments (NVD) for CVE-2003-0367

  • Red Hat (2007-03-14T00:00:00)

    Red Hat Enterprise Linux 5 is not vulnerable to this issue as it contains a backported patch.

Affected software / configurations for CVE-2003-0367

Vendor Product Version Raw CPE
gnu gzip <= 1.3.5 cpe:2.3:a:gnu:gzip:*:*:*:*:*:*:*:*
debian debian_linux 2.2 cpe:2.3:o:debian:debian_linux:2.2:*:*:*:*:*:*:*
debian debian_linux 3.0 cpe:2.3:o:debian:debian_linux:3.0:*:*:*:*:*:*:*

References for CVE-2003-0367

cvelogic Threat Intelligence