FlawAtlas
Search the atlas
CVE-2026-32283 High

Unauthenticated TLS 1.3 KeyUpdate record can cause persistent connection retention and DoS in crypto/tls

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.

Exploit probability 0.6%
Published April 7, 2026
Required by Not available
Last source change August 18, 2026

02 / AFFECTED SOFTWARE

Affected packages

Bitnami golang
Go stdlib
Unknown Unknown

150 explicit affected versions

03 / CONNECTIONS

Connected vulnerabilities

related OPENSUSE-SU-2026:21483-1

04 / EVIDENCE

Source records

Open Source Vulnerabilities CVE-2026-32283

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.

View original source
Open Source Vulnerabilities BIT-golang-2026-32283

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.

View original source
Open Source Vulnerabilities GO-2026-4870

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.

View original source

05 / REFERENCES

Further evidence