Flux2 is a tool for keeping Kubernetes clusters in sync with sources of configuration, and Flux's helm-controller is a Kubernetes operator that allows one to declaratively manage Helm chart releases. Helm controller is tightly integrated with the Helm SDK. A vulnerability found in the Helm SDK that affects flux2 v0.0.17 until v0.32.0 and helm-controller v0.0.4 until v0.23.0 allows for specific data inputs to cause high memory consumption. In some platforms, this could cause the controller to panic and stop processing reconciliations. In a shared cluster multi-tenancy environment, a tenant could create a HelmRelease that makes the controller panic, denying all other tenants from their Helm releases being reconciled. Patches are available in flux2 v0.32.0 and helm-controller v0.23.0.
CVE-2022-36049
This high-severity CVE scores 7.7 under NVD CVSS v3. EPSS exploit probability: 1.0%, top 39% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.7
- EG Score
- 7.7(medium)
- EG Risk
- —
- EPSS
- 60.5%
- KEV
- Not listed
Published
September 7, 2022
Last Modified
November 21, 2024
References (8)
- security-advisories@githubhttps://bugs.chromium.org/p/oss-fuzz/issues/detail?id=44996
- security-advisories@githubhttps://bugs.chromium.org/p/oss-fuzz/issues/detail?id=48360
- security-advisories@githubhttps://github.com/fluxcd/flux2/security/advisories/GHSA-p2g7-xwvr-rrw3
- security-advisories@githubhttps://github.com/helm/helm/security/advisories/GHSA-7hfp-qfw3-5jxh
- af854a3a-2127-422b-91ae-364da2661108https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=44996
- af854a3a-2127-422b-91ae-364da2661108https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=48360
- af854a3a-2127-422b-91ae-364da2661108https://github.com/fluxcd/flux2/security/advisories/GHSA-p2g7-xwvr-rrw3
- af854a3a-2127-422b-91ae-364da2661108https://github.com/helm/helm/security/advisories/GHSA-7hfp-qfw3-5jxh
Affected Packages
(2 across 1 ecosystem)
Go(2)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| github.com/fluxcd/flux2 | — | 0.32.0 | — |
| github.com/fluxcd/helm-controller | — | 0.23.0 | — |
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
All Vendor Advisories
(1)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Data Freshness Timeline
(refreshed 13× in last 7d / 50× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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Related CVEs(same vendor + same CWE)
Same vendor
10 shownmsrc
- CVE-2006-10003EG 9.8CRITICAL
- CVE-2015-20107NVD 7.6EG 9.8EPSS 94%HIGH
- CVE-2013-7381EG 9.8CRITICAL
- CVE-2014-0048EG 9.8EPSS 93%CRITICAL
- CVE-2007-4559EG 9.8EPSS 98%CRITICAL
- CVE-2013-3900NVD 5.5EG 9.0 KEVEPSS 99%MEDIUM
- CVE-2013-2094NVD 8.4EG 9.0 KEVEPSS 99%HIGH
- CVE-2014-9356EG 8.6EPSS 91%HIGH
- CVE-2014-5282EG 8.1HIGH
- CVE-2014-8141EG 7.8EPSS 94%HIGH
Same CWE
10 shownCWE-400 · CWE-770
- CVE-2011-3192NVD 0.0EG 9.0EPSS 100%NONE
- CVE-2004-1464NVD 5.9EG 9.0 KEVEPSS 92%MEDIUM
- CVE-2006-1364NVD 7.5EG 8.2EPSS 99%HIGH
- CVE-2008-5180NVD 5.3EG 7.9EPSS 99%MEDIUM
- CVE-2007-20001EG 7.5HIGH
- CVE-2002-20001EG 7.5EPSS 98%HIGH
- CVE-2012-0785EG 7.5HIGH
- CVE-2012-5366EG 7.5HIGH
- CVE-2012-5365EG 7.5HIGH
- CVE-2012-5364EG 7.5EPSS 96%HIGH
Frequently asked(5)
What is CVE-2022-36049?
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What is the CVSS score of CVE-2022-36049?
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Dependency Blast Radius
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