Infinite loop in HTTP/2 transport when given bad SETTINGS_MAX_FRAME_SIZE in net/http/internal/http2 in golang.org/x/net

높음 7.5CVE-2026-33814 · BIT-golang-2026-33814 · GO-2026-4918 · Published 07/05/2026 · updated 26/10/2026

요약

CVE-2026-33814은(는) golang.org/x/net, stdlib, go (golang)에 영향을 주는 높음 (CVSS 7.5) 취약점입니다.
향후 30일 내 악용 확률(EPSS): 0.84%, 전체 취약점의 57.9%보다 높음.
조치: 0.53.0, 1.26.3, 1.25.10 이상으로 업데이트하세요.

Package	Affected versions	Patched versions
golang.org/x/net Go	`< 0.53.0`	`0.53.0`
stdlib Go	`≥ 1.26.0-0, < 1.26.3< 1.25.10`	`1.26.31.25.10`
go golang	`≥ 1.26.0, < 1.26.3< 1.25.10`	`1.26.31.25.10`
http2 golang	`< 0.53.0`	`0.53.0`

Description

When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a SETTINGS_MAX_FRAME_SIZE with a value of 0.

NVD description

When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a SETTINGS_MAX_FRAME_SIZE with a value of 0.

References

golang.org/x/net의 다른 취약점

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Package

Affected versions

Patched versions

golang.org/x/net

< 0.53.0

0.53.0

stdlib

≥ 1.26.0-0, < 1.26.3< 1.25.10

1.26.31.25.10

golang

≥ 1.26.0, < 1.26.3< 1.25.10

1.26.31.25.10

http2

golang

< 0.53.0

0.53.0

Description

When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a SETTINGS_MAX_FRAME_SIZE with a value of 0.

NVD description

When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a SETTINGS_MAX_FRAME_SIZE with a value of 0.

golang.org/x/net의 다른 취약점

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