What is CVE-2007-4476?

CVE-2007-4476 is a vulnerability in GNU Tar, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2007-09-05.

Is CVE-2007-4476 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in GNU Tar

CVE-2007-4476

Buffer overflow in the safer_name_suffix function in GNU tar has unspecified attack vectors and impact, resulting in a "crashing stack."

Vulnerability class: Buffer Overflow

Published 2007-09-05 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 7.5 (High). Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.149 (96.7th percentile), scored 2026-11-01.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.149 · newest: 0.149 · change: 0.000

Affected products

GNU Tar
Canonical Ubuntu Linux — versions 6.06, 7.04, 7.10
Debian Linux — versions 3.1, 4.0

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

Public proof-of-concept exploits

jmalicki/arsync

References

sunsolve.sun.com/search/document.do (vendor-advisory, Broken Link)
secunia.com/advisories/27331 (Third Party Advisory, third-party-advisory)
secunia.com/advisories/32051 (Third Party Advisory, third-party-advisory)
secunia.com/advisories/29968 (Third Party Advisory, third-party-advisory)
www.novell.com/linux/security/advisories/2007_19_sr.html (vendor-advisory, Broken Link)
secunia.com/advisories/27681 (Third Party Advisory, third-party-advisory)
www.securityfocus.com/bid/26445 (VDB Entry, Third Party Advisory, vdb-entry)
secunia.com/advisories/27453 (Third Party Advisory, third-party-advisory)
www.redhat.com/archives/fedora-package-announce/2007-October/msg00370.html (vendor-advisory, Third Party Advisory)
www.debian.org/security/2008/dsa-1566 (vendor-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2007-4476?: CVE-2007-4476 is a vulnerability in GNU Tar, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2007-09-05.
Is CVE-2007-4476 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.