CVE & CISA-KEV Catalog

CVE-2026-33814

HIGH
7.5
CVSS v3
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.

How to fix

Remediation Available
golang-golang-x-netDebian
Fixed in:1:0.53.0-1CVE-2026-33814
go-toolsetRed Hat / RHEL
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
go-toolsetRocky
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
golangRocky
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
golangRed Hat / RHEL
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
golang-binRocky
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
golang-binRed Hat / RHEL
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
golang-docsRed Hat / RHEL
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
golang-docsRocky
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
golang-miscRocky
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
golang-miscRed Hat / RHEL
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
golang-raceRocky
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
golang-raceRed Hat / RHEL
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
golang-srcRocky
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
golang-srcRed Hat / RHEL
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
golang-testsRocky
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
golang-testsRed Hat / RHEL
Fixed in:0:1.26.5-1.el9_4RHSA-2026:57649
microshiftRed Hat / RHEL
Fixed in:0:4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9RHSA-2026:57845
Fixed in:0:4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9RHSA-2026:57845
Fixed in:0:4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9RHSA-2026:57845
microshiftRocky
Fixed in:0:4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9RHSA-2026:57845
Fixed in:0:4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9RHSA-2026:57845
Fixed in:0:4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9RHSA-2026:57845
microshift-greenbootRed Hat / RHEL
Fixed in:0:4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9RHSA-2026:57845
microshift-greenbootRocky
Fixed in:0:4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9RHSA-2026:57845
microshift-multusRocky
Fixed in:0:4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9RHSA-2026:57845
Fixed in:0:4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9RHSA-2026:57845
microshift-multusRed Hat / RHEL
Fixed in:0:4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9RHSA-2026:57845
Fixed in:0:4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9RHSA-2026:57845
microshift-multus-release-infoRed Hat / RHEL
Fixed in:0:4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9RHSA-2026:57845
microshift-multus-release-infoRocky
Fixed in:0:4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9RHSA-2026:57845
microshift-networkingRed Hat / RHEL
Fixed in:0:4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9RHSA-2026:57845
Fixed in:0:4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9RHSA-2026:57845
microshift-networkingRocky
Fixed in:0:4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9RHSA-2026:57845
Fixed in:0:4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9RHSA-2026:57845
microshift-olmRocky
Fixed in:0:4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9RHSA-2026:57845
Fixed in:0:4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9RHSA-2026:57845
microshift-olmRed Hat / RHEL
Fixed in:0:4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9RHSA-2026:57845
Fixed in:0:4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9RHSA-2026:57845
microshift-olm-release-infoRed Hat / RHEL
Fixed in:0:4.16.69-202608202336.p0.g763478c.assembly.4.16.69.el9RHSA-2026:57845

This vulnerability affects an unusually large number of packages. The highest-confidence fixes are shown above; the full list is longer. Check the referenced advisories for complete coverage.

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.78%probability of exploitation in 30 days
53rdpercentile

Moderate risk: more likely to be exploited than 53% of all known CVEs.

References

Related Vulnerabilities

Other CWE-835 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2020-13935High7.587%-Fix
CVE-2020-36227High7.578%-Fix
CVE-2022-0778High7.573%-Fix
CVE-2024-20353High8.671%KEV-
CVE-2019-14241High7.570%--
CVE-2017-16944High7.563%-Fix

Common questions

How do I fix CVE-2026-33814?

Published advisories record a fix for 297 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2026-33814 being actively exploited?

Not that we know of. CVE-2026-33814 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.78% is the estimated probability that it will be exploited in the next 30 days. That is higher than 53% of all scored CVEs.

How severe is CVE-2026-33814?

CVE-2026-33814 has a CVSS v3 base score of 7.5, rated important. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2026-33814 affect?

Published advisories record a fix for golang-golang-x-net (Debian), go-toolset (Red Hat / RHEL), go-toolset (Rocky), golang (Rocky), and 293 more. The list on this page is capped, so there may be more.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-08-28.