CVE-2020-12603

HIGH 7.5CVE-2020-12603 · Published 01/07/2020 · updated 17/06/2026

In short

CVE-2020-12603 is a HIGH (CVSS 7.5) vulnerability affecting envoy (envoyproxy).
Chance of exploitation in the next 30 days (EPSS): 1.4%, higher than 73.3% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
envoy envoyproxy	`= 1.13.2= 1.14.2≤ 1.12.4`	No fix yet

Description

Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier may consume excessive amounts of memory when proxying HTTP/2 requests or responses with many small (i.e. 1 byte) data frames.

References

envoyproxy/envoy-setec · Broken Link
envoyproxy/envoy security advisory · Third Party Advisory

More vulnerabilities in envoy

See all →

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Scan my site free

Package

Affected versions

Patched versions

envoy

envoyproxy

= 1.13.2= 1.14.2≤ 1.12.4

No fix yet

More vulnerabilities in envoy

See all →