SARA / Free Tools / CVE / CVE-2023-1175

CVE-2023-1175 — Incorrect Calculation of Buffer Size in GitHub repository vim/vim prior to 9

Incorrect Calculation of Buffer Size in GitHub repository vim/vim prior to 9.0.1378.

CVSS

7.3 HIGH

EPSS

0.44% (top 62.50%)

CWE

—

Published

2023-03-04T16:15:09.533

Last modified

2026-09-18T15:37:59.490

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

01What is this vulnerability?

Incorrect Calculation of Buffer Size in GitHub repository vim/vim prior to 9.0.1378.

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/c99cbf8f289bdda5d4a77d7ec415850a520330ba
huntr.dev — https://huntr.dev/bounties/7e93fc17-92eb-4ae7-b01a-93bb460b643e
lists.debian.org — https://lists.debian.org/debian-lts-announce/2023/06/msg00015.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…
github.com — https://github.com/vim/vim/commit/c99cbf8f289bdda5d4a77d7ec415850a520330ba
huntr.dev — https://huntr.dev/bounties/7e93fc17-92eb-4ae7-b01a-93bb460b643e
lists.debian.org — https://lists.debian.org/debian-lts-announce/2023/06/msg00015.html
lists.debian.org — https://lists.debian.org/debian-lts-announce/2025/03/msg00023.html

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