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Vulnerability Details CVE-2026-42508
Previously, a revoked 'SignatureKey' belonging to a CA was not correctly checked for revocation. Now, both the 'key' and 'key.SignatureKey' are checked for @revoked.
Exploit prediction scoring system (EPSS) score
EPSS Score
0.006
EPSS Ranking
44.0%
CVSS Severity
CVSS v3 Score
9.1
References
https://go.dev/cl/781220
https://go.dev/issue/79568
https://groups.google.com/g/golang-announce/c/a082jnz-LvI
https://pkg.go.dev/vuln/GO-2026-5021
https://access.redhat.com/errata/RHSA-2026:23262
https://access.redhat.com/errata/RHSA-2026:23264
https://access.redhat.com/errata/RHSA-2026:26546
https://access.redhat.com/errata/RHSA-2026:26547
https://access.redhat.com/errata/RHSA-2026:35833
https://access.redhat.com/errata/RHSA-2026:36648
https://access.redhat.com/errata/RHSA-2026:36651
https://access.redhat.com/errata/RHSA-2026:36796
https://access.redhat.com/errata/RHSA-2026:36797
https://access.redhat.com/errata/RHSA-2026:36808
https://access.redhat.com/errata/RHSA-2026:37072
https://access.redhat.com/errata/RHSA-2026:37123
https://access.redhat.com/errata/RHSA-2026:37387
https://access.redhat.com/errata/RHSA-2026:40118
https://access.redhat.com/errata/RHSA-2026:40262
https://access.redhat.com/errata/RHSA-2026:40945
https://access.redhat.com/errata/RHSA-2026:41019
https://access.redhat.com/errata/RHSA-2026:41031
https://access.redhat.com/errata/RHSA-2026:41036
https://access.redhat.com/errata/RHSA-2026:41064
https://access.redhat.com/errata/RHSA-2026:41066
https://access.redhat.com/errata/RHSA-2026:42146
https://access.redhat.com/errata/RHSA-2026:42796
https://access.redhat.com/errata/RHSA-2026:43052
https://access.redhat.com/errata/RHSA-2026:43692
https://access.redhat.com/errata/RHSA-2026:46885
https://access.redhat.com/errata/RHSA-2026:47735
https://access.redhat.com/errata/RHSA-2026:47737
https://access.redhat.com/errata/RHSA-2026:49944
https://access.redhat.com/errata/RHSA-2026:51033
https://access.redhat.com/errata/RHSA-2026:51288
https://access.redhat.com/errata/RHSA-2026:52857
https://access.redhat.com/errata/RHSA-2026:52910
https://access.redhat.com/security/cve/CVE-2026-42508
https://bugzilla.redhat.com/show_bug.cgi?id=2480688
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42508.json
Products affected by CVE-2026-42508
Golang
»
Crypto
»
Version:
0.1.0
cpe:2.3:a:golang:crypto:0.1.0
Golang
»
Crypto
»
Version:
0.10.0
cpe:2.3:a:golang:crypto:0.10.0
Golang
»
Crypto
»
Version:
0.11.0
cpe:2.3:a:golang:crypto:0.11.0
Golang
»
Crypto
»
Version:
0.12.0
cpe:2.3:a:golang:crypto:0.12.0
Golang
»
Crypto
»
Version:
0.13.0
cpe:2.3:a:golang:crypto:0.13.0
Golang
»
Crypto
»
Version:
0.14.0
cpe:2.3:a:golang:crypto:0.14.0
Golang
»
Crypto
»
Version:
0.15.0
cpe:2.3:a:golang:crypto:0.15.0
Golang
»
Crypto
»
Version:
0.16.0
cpe:2.3:a:golang:crypto:0.16.0
Golang
»
Crypto
»
Version:
0.17.0
cpe:2.3:a:golang:crypto:0.17.0
Golang
»
Crypto
»
Version:
0.18.0
cpe:2.3:a:golang:crypto:0.18.0
Golang
»
Crypto
»
Version:
0.19.0
cpe:2.3:a:golang:crypto:0.19.0
Golang
»
Crypto
»
Version:
0.2.0
cpe:2.3:a:golang:crypto:0.2.0
Golang
»
Crypto
»
Version:
0.20.0
cpe:2.3:a:golang:crypto:0.20.0
Golang
»
Crypto
»
Version:
0.21.0
cpe:2.3:a:golang:crypto:0.21.0
Golang
»
Crypto
»
Version:
0.22.0
cpe:2.3:a:golang:crypto:0.22.0
Golang
»
Crypto
»
Version:
0.23.0
cpe:2.3:a:golang:crypto:0.23.0
Golang
»
Crypto
»
Version:
0.24.0
cpe:2.3:a:golang:crypto:0.24.0
Golang
»
Crypto
»
Version:
0.25.0
cpe:2.3:a:golang:crypto:0.25.0
Golang
»
Crypto
»
Version:
0.26.0
cpe:2.3:a:golang:crypto:0.26.0
Golang
»
Crypto
»
Version:
0.27.0
cpe:2.3:a:golang:crypto:0.27.0
Golang
»
Crypto
»
Version:
0.28.0
cpe:2.3:a:golang:crypto:0.28.0
Golang
»
Crypto
»
Version:
0.29.0
cpe:2.3:a:golang:crypto:0.29.0
Golang
»
Crypto
»
Version:
0.3.0
cpe:2.3:a:golang:crypto:0.3.0
Golang
»
Crypto
»
Version:
0.30.0
cpe:2.3:a:golang:crypto:0.30.0
Golang
»
Crypto
»
Version:
0.31.0
cpe:2.3:a:golang:crypto:0.31.0
Golang
»
Crypto
»
Version:
0.32.0
cpe:2.3:a:golang:crypto:0.32.0
Golang
»
Crypto
»
Version:
0.33.0
cpe:2.3:a:golang:crypto:0.33.0
Golang
»
Crypto
»
Version:
0.34.0
cpe:2.3:a:golang:crypto:0.34.0
Golang
»
Crypto
»
Version:
0.35.0
cpe:2.3:a:golang:crypto:0.35.0
Golang
»
Crypto
»
Version:
0.36.0
cpe:2.3:a:golang:crypto:0.36.0
Golang
»
Crypto
»
Version:
0.37.0
cpe:2.3:a:golang:crypto:0.37.0
Golang
»
Crypto
»
Version:
0.38.0
cpe:2.3:a:golang:crypto:0.38.0
Golang
»
Crypto
»
Version:
0.39.0
cpe:2.3:a:golang:crypto:0.39.0
Golang
»
Crypto
»
Version:
0.4.0
cpe:2.3:a:golang:crypto:0.4.0
Golang
»
Crypto
»
Version:
0.40.0
cpe:2.3:a:golang:crypto:0.40.0
Golang
»
Crypto
»
Version:
0.41.0
cpe:2.3:a:golang:crypto:0.41.0
Golang
»
Crypto
»
Version:
0.42.0
cpe:2.3:a:golang:crypto:0.42.0
Golang
»
Crypto
»
Version:
0.43.0
cpe:2.3:a:golang:crypto:0.43.0
Golang
»
Crypto
»
Version:
0.44.0
cpe:2.3:a:golang:crypto:0.44.0
Golang
»
Crypto
»
Version:
0.45.0
cpe:2.3:a:golang:crypto:0.45.0
Golang
»
Crypto
»
Version:
0.46.0
cpe:2.3:a:golang:crypto:0.46.0
Golang
»
Crypto
»
Version:
0.47.0
cpe:2.3:a:golang:crypto:0.47.0
Golang
»
Crypto
»
Version:
0.48.0
cpe:2.3:a:golang:crypto:0.48.0
Golang
»
Crypto
»
Version:
0.49.0
cpe:2.3:a:golang:crypto:0.49.0
Golang
»
Crypto
»
Version:
0.5.0
cpe:2.3:a:golang:crypto:0.5.0
Golang
»
Crypto
»
Version:
0.50.0
cpe:2.3:a:golang:crypto:0.50.0
Golang
»
Crypto
»
Version:
0.51.0
cpe:2.3:a:golang:crypto:0.51.0
Golang
»
Crypto
»
Version:
0.6.0
cpe:2.3:a:golang:crypto:0.6.0
Golang
»
Crypto
»
Version:
0.7.0
cpe:2.3:a:golang:crypto:0.7.0
Golang
»
Crypto
»
Version:
0.8.0
cpe:2.3:a:golang:crypto:0.8.0
Golang
»
Crypto
»
Version:
0.9.0
cpe:2.3:a:golang:crypto:0.9.0
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