CVE-2021-3121

high

Description

An issue was discovered in GoGo Protobuf before 1.3.2. plugin/unmarshal/unmarshal.go lacks certain index validation, aka the "skippy peanut butter" issue.

References

Advisories
More

https://security.netapp.com/advisory/ntap-20210219-0006/

https://github.com/gogo/protobuf/compare/v1.3.1...v1.3.2

https://github.com/gogo/protobuf/commit/b03c65ea87cdc3521ede29f62fe3ce239267c1bc

https://discuss.hashicorp.com/t/hcsec-2021-23-consul-exposed-to-denial-of-service-in-gogo-protobuf-dependency/29025

https://github.com/google/osv-scanner

https://github.com/advisories/GHSA-c3h9-896r-86jm

https://lists.apache.org/thread.html/rc1e9ff22c5641d73701ba56362fb867d40ed287cca000b131dcf4a44%40%3Ccommits.pulsar.apache.org%3E

https://lists.apache.org/thread.html/r88d69555cb74a129a7bf84838073b61259b4a3830190e05a3b87994e%40%3Ccommits.pulsar.apache.org%3E

https://lists.apache.org/thread.html/r68032132c0399c29d6cdc7bd44918535da54060a10a12b1591328bff%40%3Cnotifications.skywalking.apache.org%3E

https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-1401

Details

Source: Mitre, NVD

Published: 2021-01-11

Updated: 2026-06-17

Named Vulnerability: GO-2021-0053Named Vulnerability: GHSA-c3h9-896r-86jm

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 8.6

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