# CVE-2021-3872: vim-common: vim: heap-based buffer overflow in win_redr_status() drawscreen.c [rhel-8.6.0]

CVE-2021-3872 is fixed in 14 products on 1 platform, first by vim 2:8.1.2269-1ubuntu5.4, released November 5, 2021. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2021-3872
- Priority: High
- CVSS: 7.8 (MODERATE)
- EPSS: 0.0149
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Oct 19, 2021

## Description

vim: heap-based buffer overflow in win_redr_status() drawscreen.c [rhel-8.6.0]

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | vim Debian 11.6 (bullseye) | 2:8.2.2434-3+deb11u2 | [DLA-4097-1](https://patchblox.com/security/data/fix/linux/dla-4097-1.md) | Mar 30, 2025 |
| Linux | vim Ubuntu 20.04 LTS (focal) | 2:8.1.2269-1ubuntu5.4 | [vim 2:8.1.2269-1ubuntu5.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-vim-2-8.1.2269-1ubuntu5.4.md) | Nov 5, 2021 |
| Linux | vim Ubuntu 22.04.1 LTS (jammy) | 2:8.2.3565-1ubuntu2 | [vim 2:8.2.3565-1ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-vim-2-8.2.3565-1ubuntu2.md) | Nov 5, 2021 |
| Linux | vim rocky 8 | 2:8.0.1763-16.el8_5.4 | [RLSA-2022:0366](https://patchblox.com/security/data/fix/linux/rlsa-2022-0366.md) | Feb 1, 2022 |
| Linux | vim-X11 RHEL 8 | 2:8.0.1763-16.el8_5.4 | [RHSA-2022:0366](https://patchblox.com/security/data/fix/linux/rhsa-2022-0366.md) | Feb 1, 2022 |
| Linux | vim-X11 almalinux 8 | 2:8.0.1763-16.el8_5.13 | [ALSA-2022:0366](https://patchblox.com/security/data/fix/linux/alsa-2022-0366.md) | Feb 1, 2022 |
| Linux | vim-X11 ol 8 | 2:8.0.1763-16.0.1.el8_5.4 | [ELSA-2022-0366](https://patchblox.com/security/data/fix/linux/elsa-2022-0366.md) | Feb 3, 2022 |
| Linux | vim-athena Ubuntu 20.04 LTS (focal) | 2:8.1.2269-1ubuntu5.4 | [vim-athena 2:8.1.2269-1ubuntu5.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-vim-athena-2-8.1.2269-1ubuntu5.4.md) | Nov 5, 2021 |
| Linux | vim-athena Ubuntu 22.04.1 LTS (jammy) | 2:8.2.3565-1ubuntu2 | [vim-athena 2:8.2.3565-1ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-vim-athena-2-8.2.3565-1ubuntu2.md) | Nov 5, 2021 |
| Linux | vim-common RHEL 8 | 2:8.0.1763-16.el8_5.4 | [RHSA-2022:0366](https://patchblox.com/security/data/fix/linux/rhsa-2022-0366.md) | Feb 1, 2022 |
| Linux | vim-common Ubuntu 20.04 LTS (focal) | 2:8.1.2269-1ubuntu5.4 | [vim-common 2:8.1.2269-1ubuntu5.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-vim-common-2-8.1.2269-1ubuntu5.4.md) | Nov 5, 2021 |
| Linux | vim-common Ubuntu 22.04.1 LTS (jammy) | 2:8.2.3565-1ubuntu2 | [vim-common 2:8.2.3565-1ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-vim-common-2-8.2.3565-1ubuntu2.md) | Nov 5, 2021 |
| Linux | vim-common almalinux 8 | 2:8.0.1763-16.el8_5.13 | [ALSA-2022:0366](https://patchblox.com/security/data/fix/linux/alsa-2022-0366.md) | Feb 1, 2022 |
| Linux | vim-common ol 8 | 2:8.0.1763-16.0.1.el8_5.4 | [ELSA-2022-0366](https://patchblox.com/security/data/fix/linux/elsa-2022-0366.md) | Feb 3, 2022 |
| Linux | vim-enhanced RHEL 8 | 2:8.0.1763-16.el8_5.4 | [RHSA-2022:0366](https://patchblox.com/security/data/fix/linux/rhsa-2022-0366.md) | Feb 1, 2022 |
| Linux | vim-enhanced almalinux 8 | 2:8.0.1763-16.el8_5.13 | [ALSA-2022:0366](https://patchblox.com/security/data/fix/linux/alsa-2022-0366.md) | Feb 1, 2022 |
| Linux | vim-enhanced ol 8 | 2:8.0.1763-16.0.1.el8_5.4 | [ELSA-2022-0366](https://patchblox.com/security/data/fix/linux/elsa-2022-0366.md) | Feb 3, 2022 |
| Linux | vim-filesystem RHEL 8 | 2:8.0.1763-16.el8_5.4 | [RHSA-2022:0366](https://patchblox.com/security/data/fix/linux/rhsa-2022-0366.md) | Feb 1, 2022 |
| Linux | vim-filesystem almalinux 8 | 2:8.0.1763-16.el8_5.13 | [ALSA-2022:0366](https://patchblox.com/security/data/fix/linux/alsa-2022-0366.md) | Feb 1, 2022 |
| Linux | vim-filesystem ol 8 | 2:8.0.1763-16.0.1.el8_5.4 | [ELSA-2022-0366](https://patchblox.com/security/data/fix/linux/elsa-2022-0366.md) | Feb 3, 2022 |
| Linux | vim-gtk Ubuntu 20.04 LTS (focal) | 2:8.1.2269-1ubuntu5.4 | [vim-gtk 2:8.1.2269-1ubuntu5.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-vim-gtk-2-8.1.2269-1ubuntu5.4.md) | Nov 5, 2021 |
| Linux | vim-gtk Ubuntu 22.04.1 LTS (jammy) | 2:8.2.3565-1ubuntu2 | [vim-gtk 2:8.2.3565-1ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-vim-gtk-2-8.2.3565-1ubuntu2.md) | Nov 5, 2021 |
| Linux | vim-gtk3 Ubuntu 20.04 LTS (focal) | 2:8.1.2269-1ubuntu5.4 | [vim-gtk3 2:8.1.2269-1ubuntu5.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-vim-gtk3-2-8.1.2269-1ubuntu5.4.md) | Nov 5, 2021 |
| Linux | vim-gtk3 Ubuntu 22.04.1 LTS (jammy) | 2:8.2.3565-1ubuntu2 | [vim-gtk3 2:8.2.3565-1ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-vim-gtk3-2-8.2.3565-1ubuntu2.md) | Nov 5, 2021 |
| Linux | vim-gui-common Ubuntu 20.04 LTS (focal) | 2:8.1.2269-1ubuntu5.4 | [vim-gui-common 2:8.1.2269-1ubuntu5.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-vim-gui-common-2-8.1.2269-1ubuntu5.4.md) | Nov 5, 2021 |
| Linux | vim-gui-common Ubuntu 22.04.1 LTS (jammy) | 2:8.2.3565-1ubuntu2 | [vim-gui-common 2:8.2.3565-1ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-vim-gui-common-2-8.2.3565-1ubuntu2.md) | Nov 5, 2021 |
| Linux | vim-minimal RHEL 8 | 2:8.0.1763-16.el8_5.4 | [RHSA-2022:0366](https://patchblox.com/security/data/fix/linux/rhsa-2022-0366.md) | Feb 1, 2022 |
| Linux | vim-minimal almalinux 8 | 2:8.0.1763-16.el8_5.13 | [ALSA-2022:0366](https://patchblox.com/security/data/fix/linux/alsa-2022-0366.md) | Feb 1, 2022 |
| Linux | vim-minimal ol 8 | 2:8.0.1763-16.0.1.el8_5.4 | [ELSA-2022-0366](https://patchblox.com/security/data/fix/linux/elsa-2022-0366.md) | Feb 3, 2022 |
| Linux | vim-nox Ubuntu 20.04 LTS (focal) | 2:8.1.2269-1ubuntu5.4 | [vim-nox 2:8.1.2269-1ubuntu5.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-vim-nox-2-8.1.2269-1ubuntu5.4.md) | Nov 5, 2021 |
| Linux | vim-nox Ubuntu 22.04.1 LTS (jammy) | 2:8.2.3565-1ubuntu2 | [vim-nox 2:8.2.3565-1ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-vim-nox-2-8.2.3565-1ubuntu2.md) | Nov 5, 2021 |
| Linux | vim-runtime Ubuntu 20.04 LTS (focal) | 2:8.1.2269-1ubuntu5.4 | [vim-runtime 2:8.1.2269-1ubuntu5.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-vim-runtime-2-8.1.2269-1ubuntu5.4.md) | Nov 5, 2021 |
| Linux | vim-runtime Ubuntu 22.04.1 LTS (jammy) | 2:8.2.3565-1ubuntu2 | [vim-runtime 2:8.2.3565-1ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-vim-runtime-2-8.2.3565-1ubuntu2.md) | Nov 5, 2021 |
| Linux | vim-tiny Ubuntu 20.04 LTS (focal) | 2:8.1.2269-1ubuntu5.4 | [vim-tiny 2:8.1.2269-1ubuntu5.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-vim-tiny-2-8.1.2269-1ubuntu5.4.md) | Nov 5, 2021 |
| Linux | vim-tiny Ubuntu 22.04.1 LTS (jammy) | 2:8.2.3565-1ubuntu2 | [vim-tiny 2:8.2.3565-1ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-vim-tiny-2-8.2.3565-1ubuntu2.md) | Nov 5, 2021 |
| Linux | xxd Ubuntu 20.04 LTS (focal) | 2:8.1.2269-1ubuntu5.4 | [xxd 2:8.1.2269-1ubuntu5.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-xxd-2-8.1.2269-1ubuntu5.4.md) | Nov 5, 2021 |
| Linux | xxd Ubuntu 22.04.1 LTS (jammy) | 2:8.2.3565-1ubuntu2 | [xxd 2:8.2.3565-1ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-xxd-2-8.2.3565-1ubuntu2.md) | Nov 5, 2021 |

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