id: GO-2021-0243
modules:
    - module: std
      versions:
        - fixed: 1.15.14
        - introduced: 1.16.0-0
          fixed: 1.16.6
      vulnerable_at: 1.16.5
      packages:
        - package: crypto/tls
          symbols:
            - rsaKeyAgreement.generateClientKeyExchange
          skip_fix: 'TODO: revisit this reason (fix appears to not work with Go <1.18)'
summary: Panic on certain certificates in crypto/tls
description: |-
    crypto/tls clients can panic when provided a certificate of the wrong type for
    the negotiated parameters. net/http clients performing HTTPS requests are also
    affected.
published: 2022-02-17T17:32:57Z
cves:
    - CVE-2021-34558
credits:
    - Imre Rad
references:
    - fix: https://go.dev/cl/334031
    - fix: https://go.googlesource.com/go/+/a98589711da5e9d935e8d690cfca92892e86d557
    - web: https://groups.google.com/g/golang-announce/c/n9FxMelZGAQ
    - report: https://go.dev/issue/47143
review_status: REVIEWED