CVE-2024-30255

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Source
https://cve.org/CVERecord?id=CVE-2024-30255
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-30255.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2024-30255
Aliases
Published
2024-04-04T19:41:02.634Z
Modified
2026-04-10T05:12:05.207160Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
Summary
HTTP/2: CPU exhaustion due to CONTINUATION frame flood
Details

Envoy is a cloud-native, open source edge and service proxy. The HTTP/2 protocol stack in Envoy versions prior to 1.29.3, 1.28.2, 1.27.4, and 1.26.8 are vulnerable to CPU exhaustion due to flood of CONTINUATION frames. Envoy's HTTP/2 codec allows the client to send an unlimited number of CONTINUATION frames even after exceeding Envoy's header map limits. This allows an attacker to send a sequence of CONTINUATION frames without the END_HEADERS bit set causing CPU utilization, consuming approximately 1 core per 300Mbit/s of traffic and culminating in denial of service through CPU exhaustion. Users should upgrade to version 1.29.3, 1.28.2, 1.27.4, or 1.26.8 to mitigate the effects of the CONTINUATION flood. As a workaround, disable HTTP/2 protocol for downstream connections.

Database specific 
{
    "cwe_ids": [
        "CWE-390"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/30xxx/CVE-2024-30255.json",
    "cna_assigner": "GitHub_M"
}
References

Affected packages

Git / github.com/envoyproxy/envoy

Affected ranges

Type
GIT
Repo
https://github.com/envoyproxy/envoy
Events
Introduced
a6d1d66a62b985baed414ba90ad0daebfc074664
Fixed
10e1e425fd84cc2cde985179655da08f68c9cb30
Database specific 
{
    "versions": [
        {
            "introduced": "1.29.0"
        },
        {
            "fixed": "1.29.3"
        }
    ]
}
Type
GIT
Repo
https://github.com/envoyproxy/envoy
Events
Introduced
b5ca88acee3453c9459474b8f22215796eff4dde
Fixed
aecedd842dd24f208a40e39898ab376967fee308
Database specific 
{
    "versions": [
        {
            "introduced": "1.28.0"
        },
        {
            "fixed": "1.28.2"
        }
    ]
}
Type
GIT
Repo
https://github.com/envoyproxy/envoy
Events
Introduced
7bba38b743bb3bca22dffb4a21c38ccc155fbef8
Fixed
9134d6a65e5c2c714d503807eb31a8490471fc5f
Database specific 
{
    "versions": [
        {
            "introduced": "1.27.0"
        },
        {
            "fixed": "1.27.4"
        }
    ]
}
Type
GIT
Repo
https://github.com/envoyproxy/envoy
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
1257d4e845ff7c5075b03d7ccbfa4767aa295279
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "fixed": "1.26.8"
        }
    ]
}

Affected versions

v1.*
v1.0.0
v1.1.0
v1.10.0
v1.11.0
v1.12.0
v1.13.0
v1.14.0
v1.15.0
v1.16.0
v1.17.0
v1.18.0
v1.18.1
v1.18.2
v1.19.0
v1.2.0
v1.20.0
v1.21.0
v1.22.0
v1.23.0
v1.24.0
v1.25.0
v1.26.0
v1.26.1
v1.26.2
v1.26.3
v1.26.4
v1.26.5
v1.26.6
v1.26.7
v1.27.0
v1.27.1
v1.27.2
v1.27.3
v1.28.0
v1.28.1
v1.29.0
v1.29.1
v1.29.2
v1.3.0
v1.4.0
v1.5.0
v1.6.0
v1.7.0
v1.8.0
v1.9.0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-30255.json"