Skip to content
Fencer Vulns
medium 6.8

CVE-2023-2426 json

Use of Out-of-range Pointer Offset in vim/vim

published 2023-04-29 3 y ago modified 2026-09-24 45 d ago also EUVD-2023-33915

cvss
6.8
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 35%
public exploits
0
none known

Summary

Use of Out-of-range Pointer Offset in GitHub repository vim/vim prior to 9.0.1499.

Patch / fix

  • vim vim/vim 9.0.1499
  • vim Debian 14, Debian 13, Debian 12 2:9.0.1378-2

debian advisories DEBIAN-CVE-2023-2426

  • vim Ubuntu 22.04 LTS 2:8.2.3995-1ubuntu2.8

ubuntu advisories UBUNTU-CVE-2023-2426

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • vim SLE Module for Desktop Applications 15 SP5, SLE Module for Basesystem 15 SP5, openSUSE Leap 15.5 9.0.1632-150500.20.3.1
  • vim SLES for SAP 12 SP5, SLES 12 SP5, SLES 12 SP2-BCL 9.0.1572-17.18.1
  • vim SLES for SAP 15 SP3, SLES for SAP 15 SP2, SLES for SAP 15 SP1 +21 more 9.0.1572-150000.5.46.1

suse advisories SUSE-SU-2023:3497-1SUSE-SU-2023:3463-1SUSE-SU-2023:2640-1

  • vim openSUSE Tumbleweed 9.0.1504-1.1

opensuse advisories openSUSE-SU-2024:12905-1

  • vim CBL-Mariner 2.0 9.0.1562-1

azure linux advisories AZL-26394

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-2426 updated cvss 5.5

vim: out-of-range Pointer offset in mb_charlen() of mbyte.c

  • Red Hat Enterprise Linux 6 vim, vim-X11, vim-common, vim-minimal, vim-enhanced, vim-filesystem Red Hat Enterprise Linux 7 vim, vim-X11, vim-common, vim-minimal, vim-enhanced, vim-filesystem Red Hat Enterprise Linux 8 vim, vim-X11, vim-common, vim-minimal, vim-enhanced, vim-filesystem Red Hat Enterprise Linux 9 vim, vim-X11, vim-common, vim-minimal, vim-enhanced, vim-filesystem
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.41% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • huntr.dev https://huntr.dev/bounties/3451be4c-91c8-4d08-926b-cbff7396f425 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 6.8 CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
NVD 3.1 5.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Affected products

  • vim vim/vim

Classification

Weakness
  • CWE-823 Use of Out-of-range Pointer Offset

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.