CVE-2024-53271— HTTP/1.1 multiple issues with envoy.reloadable_features.http1_balsa_delay_reset in envoy
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I. Basic Information for CVE-2024-53271
Vulnerability Information
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Vulnerability Title
HTTP/1.1 multiple issues with envoy.reloadable_features.http1_balsa_delay_reset in envoy
Source: NVD (National Vulnerability Database)
Vulnerability Description
Envoy is a cloud-native high-performance edge/middle/service proxy. In affected versions envoy does not properly handle http 1.1 non-101 1xx responses. This can lead to downstream failures in networked devices. This issue has been addressed in versions 1.31.5 and 1.32.3. Users are advised to upgrade. There are no known workarounds for this issue.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
控制流实现总是不正确
Source: NVD (National Vulnerability Database)
Vulnerability Title
Envoy Proxy 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Envoy Proxy是Envoy Proxy开源的一个云原生高性能边缘/中间/服务代理。 Envoy Proxy存在安全漏洞，该漏洞源于无法正确处理http响应，可能导致联网设备中的下游故障。
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 | >= 1.31.0, < 1.31.5 | - |
II. Public POCs for CVE-2024-53271
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · envoyproxy · 2024-12-18 · 3 CVEs total
| CVE-2024-53270 | 7.5 HIGH | HTTP/1: sending overload crashes when the request is reset beforehand in envoy |
| CVE-2024-53269 | 4.5 MEDIUM | Happy Eyeballs: Validate that additional_address are IP addresses instead of crashing when |
IV. Related Vulnerabilities
Same product: envoy
- CVE-2026-6994
Envoy Query Parameter header_mutation.cc params.add injectio - CVE-2026-26330
Envoy global rate limit may crash when the response phase li - CVE-2026-26311
Envoy HTTP: filter chain execution on reset streams causing - CVE-2026-26310
Crash for scoped ip address in Envoy during DNS - CVE-2026-26309
Envoy has an off-by-one write in JsonEscaper::escapeString()
Same vendor: envoyproxy
- CVE-2026-26330
Envoy global rate limit may crash when the response phase li - CVE-2026-26311
Envoy HTTP: filter chain execution on reset streams causing - CVE-2026-26310
Crash for scoped ip address in Envoy during DNS - CVE-2026-26309
Envoy has an off-by-one write in JsonEscaper::escapeString() - CVE-2026-26308
Envoy has an RBAC Header Validation Bypass via Multi-Value H
V. Comments for CVE-2024-53271
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