Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2015-4041

21
FAUCET Score

CVE-2015-4041 describes a heap-based buffer overflow vulnerability in the keycompare_mb function of GNU Coreutils sort, affecting versions through 8.23 on 64-bit platforms. This flaw arises from incorrect size calculations for multibyte characters in long UTF-8 strings. With a CVSS score of 7.8 (High), successful exploitation could lead to a denial of service (application crash) and potentially other unspecified impacts, requiring local access and low attack complexity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 8.23CPE matchmatch criteria
cpe:2.3:a:gnu:coreutils:*:*:*:*:*:*:x64:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.52%
Probability of exploitation in next 30 days
EPSS Percentile
41.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0052 is in the 81st percentile among its peer group of 16,994 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

github_advisorypatch availablevia nvd_reference
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: coreutils
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: coreutils

Vendor Advisories (1)

redhatCVE-2015-4041Low

coreutils: heap buffer overflow in sort(1) keycompare_mb()

Apr 27, 2015

References

openwall.com / lists/oss-security/2015/05/15/1
ExploitMailing ListPatchThird Party Advisory
bugzilla.suse.com / show_bug.cgi
Issue TrackingThird Party Advisory
github.com / pixelb/coreutils/commit/bea5e36cc876ed627bb5e0eca36fdfaa6465e940
Patch