CVE-2024-34362— Envoy affected by a crash (use-after-free) in EnvoyQuicServerStream
Quick assessment
Affected
envoyproxy envoy
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Envoy是一款开源的分布式代理服务器。 Envoy存在安全漏洞，该漏洞源于存在释放后重用，可导致崩溃。
Possible ATT&CK Techniques 1 AI
T1211 · Exploitation for Stealth
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I. Basic Information for CVE-2024-34362
Vulnerability Information
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Vulnerability Title
Envoy affected by a crash (use-after-free) in EnvoyQuicServerStream
Source: CVE Program / CVE List V5
Vulnerability Description
Envoy is a cloud-native, open source edge and service proxy. There is a use-after-free in `HttpConnectionManager` (HCM) with `EnvoyQuicServerStream` that can crash Envoy. An attacker can exploit this vulnerability by sending a request without `FIN`, then a `RESET_STREAM` frame, and then after receiving the response, closing the connection.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
Envoy 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Envoy是一款开源的分布式代理服务器。 Envoy存在安全漏洞，该漏洞源于存在释放后重用，可导致崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| envoyproxy | envoy | >= 1.30.0, <= 11.30.1 | - |
|
II. Public POCs for CVE-2024-34362
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2024-34362 (1)
-
https://github.com/envoyproxy/envoy/security/advisories/GHSA-hww5-43gv-35jv x_refsource_CONFIRM
Same Patch Batch · envoyproxy · 2024-06-04 · 7 CVEs total
| CVE-2024-32976 | 7.5 HIGH | Envoy can enter an endless loop while decompressing Brotli data with extra input |
| CVE-2024-34363 | 7.5 HIGH | Envoy can crash due to uncaught nlohmann JSON exception |
| CVE-2024-23326 | 5.9 MEDIUM | Envoy incorrectly accepts HTTP 200 response for entering upgrade mode |
| CVE-2024-32974 | 5.9 MEDIUM | Envoy affected by a crash in EnvoyQuicServerStream::OnInitialHeadersComplete() |
| CVE-2024-32975 | 5.9 MEDIUM | Envoy crashes in QuicheDataReader::PeekVarInt62Length() |
| CVE-2024-34364 | 5.7 MEDIUM | Envoy OOM vector from HTTP async client with unbounded response buffer for mirror response |
IV. Related Vulnerabilities
Same product: envoy
-
CVE-2026-73511
Envoy: Potential path-matching/authentication bypass when us -
CVE-2026-73553
Envoy: RBAC Authorization Bypass via Path Parameters -
CVE-2026-73551
Envoy: Path normalization does not handle dot and dotdot seg -
CVE-2026-73546
Envoy: Stored XSS in Admin Stats Interface (/stats?format=ht -
CVE-2026-73512
Envoy: use-after-free in QUIC on internal redirects
Same vendor: envoyproxy
-
CVE-2026-73511
Envoy: Potential path-matching/authentication bypass when us -
CVE-2026-73553
Envoy: RBAC Authorization Bypass via Path Parameters -
CVE-2026-73551
Envoy: Path normalization does not handle dot and dotdot seg -
CVE-2026-73546
Envoy: Stored XSS in Admin Stats Interface (/stats?format=ht -
CVE-2026-73512
Envoy: use-after-free in QUIC on internal redirects
Same weakness: CWE-416
V. Comments for CVE-2024-34362
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