CVE-2022-2923 — NULL Pointer Dereference in GitHub repository vim/vim prior to 9

NULL Pointer Dereference in GitHub repository vim/vim prior to 9.0.0240.

01What is this vulnerability?

NULL Pointer Dereference in GitHub repository vim/vim prior to 9.0.0240.

02Affected products

Vendor	Product	Versions
vim	vim/vim	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: 2022-08-22T00:00:00.000Z
• Last modified: 2024-08-03T00:53:00.468Z

09References

• huntr.dev — https://huntr.dev/bounties/fd3a3ab8-ab0f-452f-afea-8c613e283fd2
• github.com — https://github.com/vim/vim/commit/6669de1b235843968e88844ca6d3c8dec4b01a9e
• lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
• security.gentoo.org — https://security.gentoo.org/glsa/202305-16