CVE-2026-32280During chain building, the amount of work that is done is not correctly limited when a large number of intermediate certificates are passed in VerifyOptions.Intermediates, which can lead to a denial…
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During chain building, the amount of work that is done is not correctly limited when a large number of intermediate certificates are passed in VerifyOptions.Intermediates, which can lead to a denial of service. This affects both direct users of crypto/x509 and users of crypto/tls.
- CVSS
- 7.5 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-770
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Modified
- Record last updated
- Sep 18, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
golang go golang:go | before 1.25.9; from 1.26.0 before 1.26.2 | NVD |
References
- https://go.dev/cl/758320patch
- https://go.dev/issue/78282issue-tracking
- https://groups.google.com/g/golang-announce/c/0uYbvbPZRWUmailing-list, release-notes
- https://pkg.go.dev/vuln/GO-2026-4947vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:10217
- https://access.redhat.com/errata/RHSA-2026:10219
- https://access.redhat.com/errata/RHSA-2026:10704
- https://access.redhat.com/errata/RHSA-2026:11507
- https://access.redhat.com/errata/RHSA-2026:11514
- https://access.redhat.com/errata/RHSA-2026:11688
- https://access.redhat.com/errata/RHSA-2026:13545
- https://access.redhat.com/errata/RHSA-2026:13791
- https://access.redhat.com/errata/RHSA-2026:13826
- https://access.redhat.com/errata/RHSA-2026:13829
- https://access.redhat.com/errata/RHSA-2026:14020
- https://access.redhat.com/errata/RHSA-2026:14162
- https://access.redhat.com/errata/RHSA-2026:14200
- https://access.redhat.com/errata/RHSA-2026:14391
- https://access.redhat.com/errata/RHSA-2026:15980
- https://access.redhat.com/errata/RHSA-2026:16021
- https://access.redhat.com/errata/RHSA-2026:16024
- https://access.redhat.com/errata/RHSA-2026:16101
- https://access.redhat.com/errata/RHSA-2026:16476
- https://access.redhat.com/errata/RHSA-2026:16477
- https://access.redhat.com/errata/RHSA-2026:16505
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.