PT-2021-5358 · Vim+10 · Vim+10

Brammool · Published 2021-10-07 · Updated 2025-11-03 · CVE-2021-3872

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Vim (affected versions not specified)

Description The issue is related to a heap-based buffer overflow in the win redr status() function of the Vim text editor. This can be exploited by a remote attacker using a specially crafted file, potentially leading to a buffer overflow. The estimated number of potentially affected devices and details about real-world incidents are not provided.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Corruption

Heap Based Buffer Overflow

Weakness Enumeration

CWE-787

CWE-122

Related Identifiers

ALSA-2022:0366

ALT-PU-2022-1087

ALT-PU-2022-1711

ALT-PU-2022-1731

ALT-PU-2022-1771

BDU:2021-06188

CESA-2022_0366

CVE-2021-3872

DLA-2947-1

DLA-3182-1

DLA-4097-1

MGASA-2021-0535

OESA-2021-1410

OPENSUSE-SU-2022:0736-1

OPENSUSE-SU-2022_0736-1

OPENSUSE-SU-2022_2102-1

RHSA-2022:0366

RHSA-2022_0366

RLSA-2022:0366

SUSE-SU-2022:0736-1

SUSE-SU-2022:0736-2

SUSE-SU-2022:2102-1

SUSE-SU-2022:4619-1

USN-5147-1

Affected Products

Alt Linux

Almalinux

Astra Linux

Centos

Debian

Linuxmint

Red Hat

Rocky Linux

Suse

Ubuntu

Vim

References · 281

• 🔥 https://huntr.dev/bounties/c958013b-1c09-4939-92ca-92f50aa169e8 · Exploit
• https://github.com/vim/vim/commit/826bfe4bbd7594188e3d74d2539d9707b1c6a14b · Patch
• https://advisories.mageia.org/MGASA-2021-0535.html · Security Note
• https://osv.dev/vulnerability/RLSA-2022:0366 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-4097-1 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/thread/S42L4Z4DTW4LHLQ4FJ33VEOXRCBE7WN4 · Vendor Advisory
• https://safe-surf.ru/specialists/bulletins-nkcki/682940 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-3875 · Security Note
• https://bdu.fstec.ru/vul/2021-06188 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2022:0736-2 · Vendor Advisory
• https://osv.dev/vulnerability/USN-5147-1 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se47-bulletin-2022-1121SE47 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-3872 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-2947-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-3872 · Vendor Advisory