SARA / Free Tools / CVE / CVE-2022-3256

CVE-2022-3256 — Use After Free in GitHub repository vim/vim prior to 9

Use After Free in GitHub repository vim/vim prior to 9.0.0530.

CVSS

7.8 HIGH

EPSS

0.49% (top 60.60%)

CWE

—

Published

2022-09-22T13:15:09.133

Last modified

2026-09-24T15:54:01.663

CVSS vector

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

01What is this vulnerability?

Use After Free in GitHub repository vim/vim prior to 9.0.0530.

No structured affected-product list available — see references below for vendor advisories.

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

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.

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

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

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

github.com — https://github.com/vim/vim/commit/8ecfa2c56b4992c7f067b92488aa9acea5a454ad
huntr.dev — https://huntr.dev/bounties/8336a3df-212a-4f8d-ae34-76ef1f936bb3
lists.debian.org — https://lists.debian.org/debian-lts-announce/2022/11/msg00032.html
lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
security.gentoo.org — https://security.gentoo.org/glsa/202305-16
github.com — https://github.com/vim/vim/commit/8ecfa2c56b4992c7f067b92488aa9acea5a454ad
huntr.dev — https://huntr.dev/bounties/8336a3df-212a-4f8d-ae34-76ef1f936bb3
lists.debian.org — https://lists.debian.org/debian-lts-announce/2022/11/msg00032.html

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