Critical severity9.8NVD Advisory· Published Jan 12, 2024· Updated Jun 17, 2026
CVE-2016-20021
CVE-2016-20021
Description
In Gentoo Portage before 3.0.47, there is missing PGP validation of executed code: the standalone emerge-webrsync downloads a .gpgsig file but does not perform signature verification. Unless emerge-webrsync is used, Portage is not vulnerable.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
portagePyPI | < 3.0.47 | 3.0.47 |
Affected products
3cpe:2.3:a:gentoo:portage:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:gentoo:portage:*:*:*:*:*:*:*:*range: <3.0.47
- (no CPE)
Patches
Vulnerability mechanics
References
8- bugs.gentoo.org/597800nvdIssue TrackingPatchWEB
- github.com/advisories/GHSA-pw5x-x5jw-ccmhghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2016-20021ghsaADVISORY
- github.com/gentoo/portage/commit/28cd240fb23d880b8641a058831c6762db71c3e2ghsaWEB
- github.com/pypa/advisory-database/tree/main/vulns/portage/PYSEC-2024-10.yamlghsaWEB
- gitweb.gentoo.org/proj/portage.git/tree/NEWSnvdRelease NotesWEB
- gitweb.gentoo.org/repo/gentoo.git/commit/ghsaWEB
- wiki.gentoo.org/wiki/PortagenvdProductWEB
News mentions
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