CVE-2026-32283
Unauthenticated TLS 1.3 KeyUpdate record can cause persistent connection retention and DoS in crypto/tls
7.5
HIGH
CVSS 3.1
EPSS 0.02%
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.
How to fix CVE-2026-32283
To remediate CVE-2026-32283, upgrade the affected package to a fixed version below.
- —upgrade to 1.25.9 or later
- —no fix listed
- —no fix listed
- —no fix listed
- —upgrade to 1.25.9-1 or later
- —upgrade to 1.26.2-1 or later
- —upgrade to 1.25.9 or later
Is CVE-2026-32283 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (7)
- from 0, < 1.25.9, >= 1.26.0-0, < 1.26.2
- from 0
- from 0
- from 0
- from 0, < 1.25.9-1
- from 0, < 1.26.2-1
- from 0, < 1.25.9, >= 1.26.0-0, < 1.26.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |