Last Modified: May 29, 2024
Affected Product(s):
BIG-IP LTM
Known Affected Versions:
16.1.0, 16.0.1, 16.0.0, 15.1.3, 15.1.2, 15.1.1, 15.1.0, 15.0.1, 15.0.0, 14.1.4, 14.1.3, 14.1.2, 14.1.0
Fixed In:
16.1.0, 15.1.4, 14.1.4.5
Opened: May 24, 2021 Severity: 3-Major
HTTP/2 request fails with COMPRESSION_ERROR.
The header value length is incorrectly updated, and the HTTP/2 request fails.
HTTP/2 header frames are received in multiple xfrags in such a way that the first 2 bytes of 'encoded' header-field 'value-length' are the last 2 bytes of the xfrag, and the remaining bytes are in the next xfrag.
None
HTTP/2 now parses the request, regardless of its xfrags distribution.