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CVE-2014-125026

32
FAUCET Score

CVE-2014-125026 describes a critical memory corruption vulnerability in the cloudflare golz4 library, stemming from its use of a deprecated LZ4 C API. This flaw, rated 9.8 CVSS (CRITICAL), allows for arbitrary code execution if untrusted user input is processed, posing a significant risk of complete compromise (Confidentiality, Integrity, Availability). While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered substantial community discussion, indicating awareness among security researchers.

Impacted Technologies

VendorProductVersion(s)CPE
< 2014-07-11CPE matchmatch criteria
cpe:2.3:a:cloudflare:golz4:*:*:*:*:*:go:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.06%
Probability of exploitation in next 30 days
EPSS Percentile
61.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0106 is in the 46th percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 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 (2)

github_advisorypatch availablevia nvd_reference
View patch
gopatch availablevia ghsa
Product: github.com/cloudflare/golz4Fixed in: 0.0.0-20140711154735-199f5f787806

Vendor Advisories (2)

goGHSA-4wp2-8rm2-jgmhcritical

LZ4 vulnerable to Out-of-bounds Write

Dec 28, 2022
redhatCVE-2014-125026Critical

golz4: memory corruption vulnerability in golz4

Dec 27, 2022

References

github.com / cloudflare/golz4/commit/199f5f7878062ca17a98e079f2dbe1205e2ed898
PatchThird Party Advisory
github.com / cloudflare/golz4/issues/5
Issue TrackingPatchThird Party Advisory
pkg.go.dev / vuln/GO-2020-0022
PatchVendor Advisory