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Fencer Vulns
medium 6.6

CVE-2023-1264 json

NULL Pointer Dereference in vim/vim

published 2023-03-07 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-23532

cvss
6.6
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 37%
public exploits
0
none known

Summary

NULL Pointer Dereference in GitHub repository vim/vim prior to 9.0.1392.

Patch / fix

  • vim vim/vim 9.0.1392
  • vim Debian 14, Debian 13 2:9.0.1658-1

debian advisories DEBIAN-CVE-2023-1264

  • vim Ubuntu 20.04 LTS 2:8.1.2269-1ubuntu5.12
  • vim Ubuntu 22.04 LTS 2:8.2.3995-1ubuntu2.4

ubuntu advisories UBUNTU-CVE-2023-1264

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 SLES for SAP 12 SP5, SLES 12 SP5, SLES 12 SP2-BCL 9.0.1572-17.18.1
  • vim SLE Real Time 15 SP3, SLE Module for Desktop Applications 15 SP4, SLE Module for Basesystem 15 SP4 +6 more 9.0.1443-150000.5.40.1

suse advisories SUSE-SU-2023:3463-1SUSE-SU-2023:2103-1

  • vim openSUSE Tumbleweed 9.0.1392-1.1

opensuse advisories openSUSE-SU-2024:12774-1

  • vim Alpine 3.24, Alpine 3.23, Alpine 3.22 +4 more 9.0.1413-r0

alpine advisories ALPINE-CVE-2023-1264

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • vim CBL-Mariner 2.0 9.0.1402-1

azure linux advisories AZL-25636

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-2023-1264 updated cvss 5.5

vim: NULL pointer dereference issue in utfc_ptr2len

  • 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
    affected: workaround, no fix planned “Untrusted vim scripts with -s [scriptin] are not recommended to run.”
  • 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
    affected: workaround, no fix available “Untrusted vim scripts with -s [scriptin] are not recommended to run.”
  • Red Hat OpenShift AI (RHOAI) rhoai/odh-dashboard-rhel9
    under investigation

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
20 mo ago

Exploit prediction

0.43% chance of exploitation in the next 30 days, higher than 37% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • huntr.dev https://huntr.dev/bounties/b2989095-88f3-413a-9a39-c1c58a6e6815 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 6.6 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected products

  • vim vim/vim

Classification

Weakness

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.