DEBIAN-CVE-2026-84304

Source
https://security-tracker.debian.org/tracker/CVE-2026-84304
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-84304.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-84304
Upstream
Published
2026-09-01T19:17:30Z
Modified
2026-09-10T08:47:32Z
Severity
  • 8.7 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X CVSS Calculator
Summary
[none]
Details

gRPC-Go is the Go language implementation of gRPC. Prior to 1.83.1, internal/transport/transport.go stores each fragmented HTTP/2 DATA frame as a separate recvMsg in recvBuffer, so millions of one-byte frames can consume disproportionate heap memory even when payload bytes remain within connection and stream flow-control windows. An unauthenticated remote attacker can use concurrent multiplexed streams to exhaust process memory and cause a runtime panic or out-of-memory termination. Receive-buffer compaction is enabled by default and can be controlled temporarily with GRPC_GO_EXPERIMENTAL_ENABLE_RECEIVE_BUFFER_COMPACTION. This issue is fixed in version 1.83.1.

References

Affected packages

Debian:12 / golang-google-grpc

Package

Name
golang-google-grpc
Purl
pkg:deb/debian/golang-google-grpc?arch=source&distro=bookworm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.33.3-2
1.38.0-1
1.38.0-2
1.38.0-3
1.38.0-4
1.38.0-5
1.38.0+really1.33.3-1
1.38.1-1
1.59.0-1
1.60.1-1
1.60.1-2
1.64.0-1
1.64.0-2
1.64.0-3
1.64.0-4
1.64.0-5
1.64.0-6
1.64.0-7
1.66.3-1
1.66.3-2
1.75.1-1
1.79.3-1~bpo13+1
1.79.3-1
1.81.1-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-84304.json"

Debian:13 / golang-google-grpc

Package

Name
golang-google-grpc
Purl
pkg:deb/debian/golang-google-grpc?arch=source&distro=trixie

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.64.0-7
1.66.3-1
1.66.3-2
1.75.1-1
1.79.3-1~bpo13+1
1.79.3-1
1.81.1-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-84304.json"

Debian:14 / golang-google-grpc

Package

Name
golang-google-grpc
Purl
pkg:deb/debian/golang-google-grpc?arch=source&distro=forky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.64.0-7
1.66.3-1
1.66.3-2
1.75.1-1
1.79.3-1~bpo13+1
1.79.3-1
1.81.1-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-84304.json"