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 update: 2026-05-13 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2014-9637 is rated Moderate Risk (42.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.36%). Review affected assets and schedule remediation.

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-2014-9637

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 2026-06-05 0.32% 0.36% +0.04%
2 2026-04-21 0.38% 0.32% -0.06%
3 2025-03-30 — 0.38% —

Full EPSS history (14 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-9637

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.5 3.0 MEDIUM
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:L)
They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 1.8 3.6 [email protected]
7.1 2.0 HIGH
AV:N/AC:M/Au:N/C:N/I:N/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
 8.6 6.9 [email protected]

Weakness enumeration for CVE-2014-9637

OS Trackers for CVE-2014-9637

vendor priority summary link
debian not yet assigned CVE-2014-9637 not yet assigned priority: Debian including 1 source packages (patch), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2014-9637
redhat low — https://access.redhat.com/security/cve/CVE-2014-9637
ubuntu medium CVE-2014-9637 medium priority: Ubuntu including 1 source packages (patch), 5 status rows across 5 suites (precise, trusty, upstream, utopic, vivid): released 5. https://ubuntu.com/security/CVE-2014-9637

Affected software / configurations for CVE-2014-9637

Vendor Product Version Raw CPE
fedoraproject fedora 20 cpe:2.3:o:fedoraproject:fedora:20:*:*:*:*:*:*:*
fedoraproject fedora 21 cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:*
mageia mageia 4.0 cpe:2.3:o:mageia:mageia:4.0:*:*:*:*:*:*:*
canonical ubuntu_linux 12.04 cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 14.04 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 14.10 cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:*
gnu patch <= 2.7.2 cpe:2.3:a:gnu:patch:*:*:*:*:*:*:*:*

References for CVE-2014-9637

URL Tags
http://advisories.mageia.org/MGASA-2015-0068.html Patch Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154214.html Patch Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-January/148953.html Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/01/22/7 Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/72286 Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-2651-1 Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1185262 Issue Tracking Patch Third Party Advisory
https://git.savannah.gnu.org/cgit/patch.git/commit/?id=0c08d7a902c6fdd49b704623a12d8d672ef18944 Issue Tracking Patch Third Party Advisory
https://savannah.gnu.org/bugs/?44051 Issue Tracking Patch Third Party Advisory
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