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CVE-2023-1175

Incorrect Calculation of Buffer Size in vim/vim

MEDIUM
6.6
CVSS Score
Published: March 4, 2023 at 12:00 AM UTC
Updated: September 18, 2026 at 03:49 PM UTC
4 products affected across 4 vendorsDebian LinuxFedoraVim

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Severity
MEDIUM6.6
Exploit prediction
EPSS 0.4%
SSVC
PoC

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Debian Linux· Debiandrupal
95%
10.011.0
Fedora· Fedora Projectrpm
95%
363738
Neovim· Neovim
95%
v ≤ 0.8.3
Vim· Vim
95%
v < 9.0.1378
Affected range stops below 9.0.1378, so it looks safe — our inference, not a vendor statement

References (7)

Patch
Source: [email protected]
https://github.com/vim/vim/commit/c99cbf8f289bdda5d4a77d7ec415850a520330ba
ExploitPatchThird Party Advisory
Source: [email protected]
https://huntr.dev/bounties/7e93fc17-92eb-4ae7-b01a-93bb460b643e
Mailing ListThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2023/06/msg00015.html
Vendor AdvisoryMailing ListThird Party Advisory
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DIAKPMKJ4OZ6NYRZJO7YWMNQL2BICLYV/
Vendor AdvisoryMailing ListThird Party Advisory
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IE44W6WMMREYCW3GJHPSYP7NK2VT5NY6/
Vendor AdvisoryMailing ListThird Party Advisory
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X4KDAU76Z7QNSPKZX2JAJ6O7KIEOXWTL/
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.debian.org/debian-lts-announce/2025/03/msg00023.html

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.6MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-131

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