golang.org/x/net/http2 vulnerability

What happened

When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a SETTINGS_MAX_FRAME_SIZE with a value of 0.

Affected versions

golang.org/x/net/http2: before 0.53.0 (semver); before 1.25.10 (semver); 1.26.0-0 through before 1.26.3 (semver) Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

• Apply vendor-provided updates or mitigations.
• Review affected product exposure and access logs.