CVE-2019-11254

unknown

Published 2021-12-20 · Modified 2026-02-04

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CVSS v3

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

CVSS v4 NEW

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not yet in upstream

VIR risk

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Description

The Kubernetes API Server component in versions 1.1-1.14, and versions prior to 1.15.10, 1.16.7 and 1.17.3 allows an authorized user who sends malicious YAML payloads to cause the kube-apiserver to consume excessive CPU cycles while parsing YAML.

Predictions

Exploit likelihood

30%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

SUSE Affected 1 release

Version	Status	Fixed in
—	Affected	—

Debian Fixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`1.17.4-1`
sid	Fixed	`1.17.4-1`
forky	Fixed	`1.17.4-1`
bullseye	Fixed	`1.17.4-1`
bookworm	Fixed	`1.17.4-1`

Package impact

Ecosystem	Package	Vulnerable	Fixed
Go	gopkg.in/yaml.v2	`<2.2.8`	`2.2.8`
Go	github.com/go-yaml/yaml	`<=2.1.0`
Go	github.com/go-yaml/yaml

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.