CVE-2014-125026: cloudflare golz4 Out-of-bounds Write
CVSS: 9.8v3.1CriticalModified
AliasesGHSA-4wp2-8rm2-jgmhGO-2020-0022
Published 27-12-2022Last modified 11-04-2025
Vulnerability summary
CVE-2014-125026 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in cloudflare golz4. EPSS estimates a 1.11% chance of exploitation in the next 30 days, higher than 65.4% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
1.11%
0%100%
Low · +0.04 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 27-12-2022PublishedVulnerability first disclosed.
- 11-04-2025Last modifiedVulnerability information updated.
Description
LZ4 bindings use a deprecated C API that is vulnerable to memory corruption, which could lead to arbitrary code execution if called with untrusted user input.
CVSS metrics
3 scores · 3 sources · 1 versionCritical 9.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 3 agree
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · GoEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.11%
Chance of exploitation in the next 30 days
Percentile
65%
Versus all other CVEs
30-day change
+0.04 pp
From 1.07% on 20-09-2026
20-09-202620-10-2026
EPSS score1.11%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Cloudflare1 product
- golz4< 2014-07-11
Github.com/cloudflare1 product
- golz4< 0.0.0-20140711154735-199f5f787806
Github.com/cloudflare/golz41 product
- github.com/cloudflare/golz4< 0.0.0-20140711154735-199f5f787806
3 vendors · 3 products
References
5 links- github.com/cloudflare/golz4/commit/199f5f7878062ca17a98e079f2dbe1205e2ed898PatchThird Party AdvisoryWEBFIX
- github.com/cloudflare/golz4PACKAGE