CVE-2023-2251 — Uncaught Exception in GitHub repository eemeli/yaml prior to 2

Uncaught Exception in GitHub repository eemeli/yaml prior to 2.0.0-5.

01What is this vulnerability?

Uncaught Exception in GitHub repository eemeli/yaml prior to 2.0.0-5.

02Affected products

Vendor	Product	Versions
eemeli	eemeli/yaml	unspecified

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-04-24T00:00:00.000Z
• Last modified: 2025-02-04T17:12:26.377Z

09References

• huntr.dev — https://huntr.dev/bounties/4b494e99-5a3e-40d9-8678-277f3060e96c
• github.com — https://github.com/eemeli/yaml/commit/984f5781ffd807e58cad3b5c8da1f940dab75fba