6.8 Medium
AI Score
Confidence
Low
0.001 Low
EPSS
Percentile
45.3%
Envoy through 1.15.0 only considers the first value when multiple header values are present for some HTTP headers. Envoy’s setCopy() header map API does not replace all existing occurences of a non-inline header.
github.com/envoyproxy/envoy/security/advisories/GHSA-2v25-cjjq-5f4w
groups.google.com/forum/#%21forum/envoy-security-announce