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Fencer Vulns
high 8.4

CVE-2023-1355 json

NULL Pointer Dereference in vim/vim

published 2023-03-11 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-23613

cvss
8.4
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 39%
public exploits
0
none known

Summary

NULL Pointer Dereference in GitHub repository vim/vim prior to 9.0.1402.

Patch / fix

  • vim vim/vim 9.0.1402
  • vim Debian 14, Debian 13 2:9.0.1658-1

debian advisories DEBIAN-CVE-2023-1355

  • 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 9.0.1430-1.1

opensuse advisories openSUSE-SU-2024:12832-1

  • vim Alpine 3.24, Alpine 3.23, Alpine 3.22 +4 more 9.0.1395-r0

alpine advisories ALPINE-CVE-2023-1355

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

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-2023-1355 updated cvss 5.5

vim: null pointer dereference in class_object_index at vim9class.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
total
Assessed
20 mo ago

Exploit prediction

0.45% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • huntr.dev https://huntr.dev/bounties/4d0a9615-d438-4f5c-8dd6-aa22f4b716d9 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 8.4 CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/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.