What is CVE-2014-9637?

CVE-2014-9637 is a medium-severity vulnerability in GNU Patch, classified under CWE-399. CVSS score: 5.5/10. Published 2017-08-25.

How severe is CVE-2014-9637?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2014-9637 known to be exploited?

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

Vulnerability in GNU Patch

CVE-2014-9637

GNU patch 2.7.2 and earlier allows remote attackers to cause a denial of service (memory consumption and segmentation fault) via a crafted diff file.

Published 2017-08-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.024 (83.3th percentile), scored 2026-10-10.

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000

Affected products

GNU Patch
Mageia — versions 4.0
Canonical Ubuntu Linux — versions 12.04, 14.04, 14.10
Fedoraproject Fedora — versions 20, 21

Weakness classification (CWE)

CWE-399

Public proof-of-concept exploits

mrash/afl-cve

References

savannah.gnu.org/bugs/ (Patch, Third Party Advisory, Issue Tracking)
www.openwall.com/lists/oss-security/2015/01/22/7 (mailing-list, Patch, Mailing List, Third Party Advisory)
lists.fedoraproject.org/pipermail/package-announce/2015-January/148953.html (vendor-advisory, Patch, Third Party Advisory)
advisories.mageia.org/MGASA-2015-0068.html (Patch, Third Party Advisory)
www.securityfocus.com/bid/72286 (VDB Entry, Third Party Advisory, vdb-entry)
git.savannah.gnu.org/cgit/patch.git/commit/ (Patch, Third Party Advisory, Issue Tracking)
lists.fedoraproject.org/pipermail/package-announce/2015-April/154214.html (vendor-advisory, Patch, Third Party Advisory)
bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
www.ubuntu.com/usn/USN-2651-1 (vendor-advisory, Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2014-9637?: CVE-2014-9637 is a medium-severity vulnerability in GNU Patch, classified under CWE-399. CVSS score: 5.5/10. Published 2017-08-25.
How severe is CVE-2014-9637?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2014-9637 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.