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CVE-2026-78663

Опубликовано: 08 окт. 2026
Источник: ubuntu
Приоритет: medium
CVSS3: 9.1

Описание

The HTTP/2 server can refund connection-level flow control twice for the same data: Once when a client resets a stream (refunding data for any sent-but-unread portion of the stream), and again when a request handler reads the buffered data. A malicious client can exploit this to bypass the configured connection-level flow control limit (MaxReceiveBufferPerConnection). Total buffered data is still limited by the concurrent stream limit and stream-level flow control.

РелизСтатусПримечание
devel

needs-triage

esm-infra/focal

needs-triage

jammy

needs-triage

noble

needs-triage

resolute

needs-triage

stonking

needs-triage

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

needs-triage

esm-apps-legacy/xenial

needs-triage

esm-apps/bionic

needs-triage

esm-apps/noble

needs-triage

esm-apps/resolute

needs-triage

esm-infra/focal

needs-triage

jammy

needs-triage

noble

needs-triage

resolute

needs-triage

stonking

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

jammy

DNE

noble

DNE

resolute

DNE

stonking

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

esm-infra-legacy/trusty

needs-triage

esm-infra-legacy/xenial

needs-triage

esm-infra/bionic

needs-triage

jammy

DNE

noble

DNE

resolute

DNE

stonking

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

esm-apps-legacy/xenial

needs-triage

esm-apps/bionic

needs-triage

esm-apps/jammy

needs-triage

esm-infra/focal

needs-triage

jammy

needs-triage

noble

DNE

resolute

DNE

stonking

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

esm-infra/focal

needs-triage

jammy

DNE

noble

DNE

resolute

DNE

stonking

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

esm-apps/bionic

needs-triage

esm-apps/focal

needs-triage

jammy

DNE

noble

DNE

resolute

DNE

stonking

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

jammy

needs-triage

noble

DNE

resolute

DNE

stonking

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

esm-apps-legacy/xenial

needs-triage

esm-apps/bionic

needs-triage

esm-apps/focal

needs-triage

jammy

needs-triage

noble

DNE

resolute

DNE

stonking

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

esm-apps/focal

needs-triage

esm-apps/jammy

needs-triage

jammy

needs-triage

noble

DNE

resolute

DNE

stonking

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

esm-apps/focal

needs-triage

esm-apps/jammy

needs-triage

esm-apps/noble

needs-triage

jammy

needs-triage

noble

needs-triage

resolute

DNE

stonking

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

esm-apps/focal

released

1.22.2-2~20.04.3
esm-apps/jammy

released

1.22.2-2~22.04.4
jammy

released

1.22.2-2~22.04.4
noble

released

1.22.2-2ubuntu0.5
resolute

DNE

stonking

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

esm-apps/jammy

needs-triage

esm-apps/noble

needs-triage

esm-apps/resolute

needs-triage

jammy

needs-triage

noble

needs-triage

resolute

needs-triage

stonking

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

esm-apps/jammy

needs-triage

esm-apps/noble

needs-triage

jammy

needs-triage

noble

needs-triage

resolute

needs-triage

stonking

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

esm-apps/jammy

needs-triage

esm-apps/noble

needs-triage

jammy

needs-triage

noble

needs-triage

resolute

needs-triage

stonking

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

needs-triage

esm-apps/jammy

needs-triage

esm-apps/noble

needs-triage

jammy

needs-triage

noble

needs-triage

resolute

needs-triage

stonking

needs-triage

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

needs-triage

jammy

DNE

noble

DNE

resolute

DNE

stonking

needs-triage

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

esm-infra-legacy/xenial

needs-triage

jammy

DNE

noble

DNE

resolute

DNE

stonking

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

esm-apps/bionic

needs-triage

jammy

DNE

noble

DNE

resolute

DNE

stonking

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

esm-apps/bionic

needs-triage

jammy

DNE

noble

DNE

resolute

DNE

stonking

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

needs-triage

esm-apps/jammy

needs-triage

esm-apps/noble

needs-triage

esm-apps/resolute

needs-triage

jammy

needs-triage

noble

needs-triage

resolute

needs-triage

stonking

needs-triage

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

esm-apps/bionic

needs-triage

esm-apps/focal

needs-triage

esm-infra-legacy/xenial

needs-triage

jammy

DNE

noble

DNE

resolute

DNE

stonking

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

needs-triage

esm-apps-legacy/xenial

needs-triage

esm-apps/bionic

needs-triage

esm-infra/focal

needs-triage

jammy

needs-triage

noble

needs-triage

resolute

needs-triage

stonking

needs-triage

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

needs-triage

esm-apps-legacy/xenial

needs-triage

esm-apps/bionic

needs-triage

esm-apps/focal

needs-triage

jammy

needs-triage

noble

needs-triage

resolute

needs-triage

stonking

needs-triage

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

esm-infra-legacy/xenial

needs-triage

jammy

DNE

noble

DNE

resolute

DNE

stonking

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

esm-apps/focal

needs-triage

esm-infra-legacy/xenial

needs-triage

esm-infra/bionic

needs-triage

jammy

DNE

noble

DNE

resolute

DNE

stonking

DNE

upstream

needs-triage

Показывать по

9.1 Critical

CVSS3

Связанные уязвимости

CVSS3: 5.3
redhat
18 дней назад

The HTTP/2 server can refund connection-level flow control twice for the same data: Once when a client resets a stream (refunding data for any sent-but-unread portion of the stream), and again when a request handler reads the buffered data. A malicious client can exploit this to bypass the configured connection-level flow control limit (MaxReceiveBufferPerConnection). Total buffered data is still limited by the concurrent stream limit and stream-level flow control.

CVSS3: 9.1
nvd
18 дней назад

The HTTP/2 server can refund connection-level flow control twice for the same data: Once when a client resets a stream (refunding data for any sent-but-unread portion of the stream), and again when a request handler reads the buffered data. A malicious client can exploit this to bypass the configured connection-level flow control limit (MaxReceiveBufferPerConnection). Total buffered data is still limited by the concurrent stream limit and stream-level flow control.

CVSS3: 7.5
msrc
16 дней назад

Double flow control refund on HTTP/2 server streams in net/http

CVSS3: 9.1
debian
18 дней назад

The HTTP/2 server can refund connection-level flow control twice for t ...

suse-cvrf
5 дней назад

Security update for go1.26

9.1 Critical

CVSS3

Уязвимость CVE-2026-78663