# CVE-2022-2817: Use After Free in vim/vim

Status: published. Published: 2022-08-15. Updated: 2026-11-02.

Use After Free in GitHub repository vim/vim prior to 9.0.0213.

## Remediation

- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: security@huntr.dev) — https://github.com/vim/vim/commit/249e1b903a9c0460d618f6dcc59aeb8c03b24b20
- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: security@huntr.dev) — https://huntr.dev/bounties/a7b7d242-3d88-4bde-a681-6c986aff886f
- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: af854a3a-2127-422b-91ae-364da2661108) — https://github.com/vim/vim/commit/249e1b903a9c0460d618f6dcc59aeb8c03b24b20
- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: af854a3a-2127-422b-91ae-364da2661108) — https://huntr.dev/bounties/a7b7d242-3d88-4bde-a681-6c986aff886f

## Affected products and versions

- vim / vim/vim: < 9.0.0213 (affected, custom). Source: CNA: @huntrdev

## NVD configuration conditions

Affected CPE matches depend on the following AND/OR and negation conditions:

```json
[
  {
    "negate": false,
    "nodes": [
      {
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:vim:vim:*:*:*:*:*:*:*:*",
            "versionEndExcluding": "9.0.0213",
            "vulnerable": true
          }
        ],
        "negate": false,
        "operator": "OR"
      }
    ],
    "operator": "OR"
  },
  {
    "negate": false,
    "nodes": [
      {
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*",
            "vulnerable": true
          }
        ],
        "negate": false,
        "operator": "OR"
      }
    ],
    "operator": "OR"
  }
]
```

## Severity and prioritization

- CVSS 3.0: 7.8 (high); CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H; source: CNA: @huntrdev

- CVSS 3.1: 7.8 (high); CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H; source: NVD: nvd@nist.gov

- CVSS 3.0: 7.8 (high); CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H; source: NVD: security@huntr.dev

- CISA KEV: No listing in collected sources

- EPSS: 0.53% as of 2026-11-02; percentile 45.17%

- SSVC: exploitation none; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-416

## Exploit evidence

- exploit: https://huntr.dev/bounties/a7b7d242-3d88-4bde-a681-6c986aff886f (security@huntr.dev)
- exploit: https://huntr.dev/bounties/a7b7d242-3d88-4bde-a681-6c986aff886f (af854a3a-2127-422b-91ae-364da2661108)

## References

- https://huntr.dev/bounties/a7b7d242-3d88-4bde-a681-6c986aff886f (CNA: @huntrdev)

- https://github.com/vim/vim/commit/249e1b903a9c0460d618f6dcc59aeb8c03b24b20 (CNA: @huntrdev)

- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CHFAR6OY6G77M6GXCJT75A4KITLNR6GO/ (CNA: @huntrdev; vendor-advisory)

- https://security.gentoo.org/glsa/202305-16 (CNA: @huntrdev; vendor-advisory)

- https://huntr.dev/bounties/a7b7d242-3d88-4bde-a681-6c986aff886f (ADP: CVE; x_transferred)

- https://github.com/vim/vim/commit/249e1b903a9c0460d618f6dcc59aeb8c03b24b20 (ADP: CVE; x_transferred)

- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CHFAR6OY6G77M6GXCJT75A4KITLNR6GO/ (ADP: CVE; vendor-advisory, x_transferred)

- https://security.gentoo.org/glsa/202305-16 (ADP: CVE; vendor-advisory, x_transferred)

- https://github.com/vim/vim/commit/249e1b903a9c0460d618f6dcc59aeb8c03b24b20 (security@huntr.dev; Patch, Third Party Advisory)

- https://huntr.dev/bounties/a7b7d242-3d88-4bde-a681-6c986aff886f (security@huntr.dev; Exploit, Patch, Third Party Advisory)

- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CHFAR6OY6G77M6GXCJT75A4KITLNR6GO/ (security@huntr.dev)

- https://security.gentoo.org/glsa/202305-16 (security@huntr.dev)

- https://github.com/vim/vim/commit/249e1b903a9c0460d618f6dcc59aeb8c03b24b20 (af854a3a-2127-422b-91ae-364da2661108; Patch, Third Party Advisory)

- https://huntr.dev/bounties/a7b7d242-3d88-4bde-a681-6c986aff886f (af854a3a-2127-422b-91ae-364da2661108; Exploit, Patch, Third Party Advisory)

- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CHFAR6OY6G77M6GXCJT75A4KITLNR6GO/ (af854a3a-2127-422b-91ae-364da2661108)

- https://security.gentoo.org/glsa/202305-16 (af854a3a-2127-422b-91ae-364da2661108)

## Provenance

- CNA: @huntrdev: https://www.cve.org/CVERecord?id=CVE-2022-2817; retrieved 2026-11-02; source updated 2026-11-02

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-2817; retrieved 2026-11-03; source updated 2026-11-02

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2022-2817; retrieved 2026-11-02; source updated Not reported

Revision: 1c2c5dec67dd052cf4217a34a3f7c5a9fa15590cc599a0490f25f651438baf24

Canonical: https://y2.dev/cve/CVE-2022-2817

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