CVE-2026-32283
High
Description
If one side of the TLS connection sends multiple key update messages post-handshake in a single record, the connection can deadlock, causing uncontrolled consumption of resources. This can lead to a denial of service. This only affects TLS 1.3.
SeverityHigh
CVSS7.5
Exploit probability—
ProductGo
PublishedApr 8, 2026
First seenApr 8, 2026
Weakness typeCWE-667CWE-667
How to fix
Update
- golang go1.25.9, 1.26.2 or later
- stdlib1.25.9, 1.26.2 or later
Vendor advisories
- access.redhat.com/errata/RHSA-2026:24762
- access.redhat.com/errata/RHSA-2026:41019
- access.redhat.com/errata/RHSA-2026:16101
- access.redhat.com/errata/RHSA-2026:54191
- access.redhat.com/errata/RHSA-2026:24761
- access.redhat.com/errata/RHSA-2026:54757
- access.redhat.com/errata/RHSA-2026:56910
- access.redhat.com/errata/RHSA-2026:27076
- access.redhat.com/errata/RHSA-2026:14391
- access.redhat.com/errata/RHSA-2026:36796
- access.redhat.com/errata/RHSA-2026:66401
- access.redhat.com/errata/RHSA-2026:28047
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| golang go | v < 1.25.9, 1.26.0 ≤ v < 1.26.2 | 1.25.9, 1.26.2 |
| stdlibGo | v < 1.25.9, 1.26.0-0 ≤ v < 1.26.2 | 1.25.9, 1.26.2 |
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