CVE-2022-28948: An issue in the Unmarshal function in Go-Yaml v3 causes the program to crash when attempting to deserialize in

This week

HIGH 7.5REMOTEDOWNGRADEMITIGATE

CVE-2022-28948 is a high-severity flaw (CVSS 7.5) affecting yaml, astra trident. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue in the Unmarshal function in Go-Yaml v3 causes the program to crash when attempting to deserialize invalid input.

Why this priority

High severity
EPSS top 10%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	4.0% (top 10%)
CISA exploited list	No
Weakness	CWE-502
Published	2022-05-19
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: netapp · yaml project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-05-19 20:15 UTCPublished CVE record published
2026-06-17 04:39 UTCUpdated Record last modified

yaml project yaml DOWNGRADE

Affected: 3.0.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.0.0

1. Check installed version

apt-cache policy yaml || rpm -q yaml || yaml --version

2. No fixed release: DOWNGRADE to a release before 3.0.0 (Debian / Ubuntu)

apt-cache madison yaml sudo apt install yaml=<VERSION_BEFORE_3.0.0> sudo apt-mark hold yaml

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list yaml sudo dnf downgrade yaml-<VERSION_BEFORE_3.0.0> sudo dnf versionlock add yaml

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

netapp astra trident MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy astra-trident || rpm -q astra-trident || astra-trident --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-28948?

yaml: downgrade or apply the listed mitigation; astra trident: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-28948 being exploited?

CVE-2022-28948 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-28948 affect?

CVE-2022-28948 affects yaml, astra trident. Severity is high (CVSS 7.5). An issue in the Unmarshal function in Go-Yaml v3 causes the program to crash when attempting to deserialize invalid input.

How urgent is CVE-2022-28948?

Priority 59/100. High severity; EPSS top 10%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-33532 MEDIUM 4.3 UPGRADE `yaml` is a YAML parser and serialiser for JavaScript
CVE-2023-2251 HIGH 7.5 UPGRADE Uncaught Exception in GitHub repository eemeli/yaml prior to 2.0.0-5.
CVE-2022-3064 HIGH 7.5 UPGRADE Parsing malicious or large YAML documents can consume excessive amounts of CPU or memory.
CVE-2021-4235 MEDIUM 5.5 UPGRADE Due to unbounded alias chasing, a maliciously crafted YAML file can cause the system to consume significant sy

References

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