CVE-2026-33814

Publication date 7 May 2026

Last updated 18 June 2026

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

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.

Read the notes from the security team

Status

Package Ubuntu Release Status
adsys 26.04 LTS resolute
Fixed 0.16.4ubuntu1.1
25.10 questing
Fixed 0.16.3ubuntu0.25.10.2
24.04 LTS noble
Fixed 0.16.3~24.04.2ubuntu0.24.04.1
22.04 LTS jammy
Fixed 0.16.3~22.04.2ubuntu0.22.04.1
20.04 LTS focal
Fixed 0.9.2~20.04.2ubuntu0.1+esm2
containerd 26.04 LTS resolute
Vulnerable
25.10 questing
Vulnerable
24.04 LTS noble
Vulnerable
22.04 LTS jammy
Vulnerable
20.04 LTS focal
Vulnerable
18.04 LTS bionic
Vulnerable
16.04 LTS xenial Ignored end of ESM support, was needs-triage
golang-golang-x-net 26.04 LTS resolute
Vulnerable
25.10 questing
Vulnerable
24.04 LTS noble
Vulnerable
22.04 LTS jammy
Vulnerable
golang-golang-x-net-dev 26.04 LTS resolute Not in release
25.10 questing Not in release
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal
Needs evaluation
18.04 LTS bionic
Needs evaluation
16.04 LTS xenial
Needs evaluation
google-guest-agent 26.04 LTS resolute
Needs evaluation
25.10 questing
Needs evaluation
24.04 LTS noble
Needs evaluation
22.04 LTS jammy
Needs evaluation
20.04 LTS focal
Needs evaluation
18.04 LTS bionic
Needs evaluation
16.04 LTS xenial Ignored end of ESM support, was needs-triage
juju-core 26.04 LTS resolute Not in release
25.10 questing Not in release
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
16.04 LTS xenial
Needs evaluation
lxd 26.04 LTS resolute Not in release
25.10 questing Not in release
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal
Needs evaluation
18.04 LTS bionic
Needs evaluation
16.04 LTS xenial
Needs evaluation

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Notes

octagalland

google-guest-agent, adsys, juju-core and lxd contain a vendored copy of golang-golang-x-net

mdeslaur

containerd contains a vendored copy of golang-golang-x-net

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
golang-golang-x-net

Severity score breakdown

CVSS version: CVSS v3.0

Base score 7.5 · High

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

References

Related Ubuntu Security Notices (USN)

Other references

Access our resources on patching vulnerabilities