CVE-2020-8659
HIGH
7.5
CVSS Score
Published: March 4, 2020 at 08:43 PM UTC
Updated: October 2, 2026 at 09:00 PM UTC
3 products affected across 3 vendorsDebian LinuxEnvoyOpenShift Service Mesh
Using N/A by N/A?
Get instant alerts when new vulnerabilities affect N/A - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
HIGH7.5
Exploit prediction
EPSS 2%
Description
CNCF Envoy through 1.13.0 may consume excessive amounts of memory when proxying HTTP/1.1 requests or responses with many small (i.e. 1 byte) chunks.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (4)
Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2020:0734x_refsource_MISCThird Party Advisory
Source: [email protected]
https://github.com/envoyproxy/envoy/security/advisories/GHSA-jwcm-4pwp-c2qvMailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2022/05/msg00025.htmlx_refsource_CONFIRMx_refsource_MISCRelease NotesThird Party Advisory
Source: [email protected]
https://www.envoyproxy.io/docs/envoy/v1.13.1/intro/version_historyCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-770
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card