CVE-2026-28420
vim: Fixed that processing maximum combining characters in terminal emulator can lead to heap-based buffer overflow write...
CVE-2026-28420 is fixed in 23 products on 1 platform, first by vim 2:8.0.1453-1ubuntu1.13+esm14, released February 27, 2026. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
8.8
moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0021
10th percentile
Fixed that processing maximum combining characters in terminal emulator can lead to heap-based buffer overflow write (bsc#1259054)
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| vim · Debian 13.5 (trixie) | 2:9.1.1230-2+deb13u1 | DEBIAN-CVE-2026-28420 | Feb 27, 2026 |
| vim · Debian 14 | 2:9.2.0119-1 | DEBIAN-CVE-2026-28420 | Feb 27, 2026 |
| vim · RHEL 10 | 9.1.083-9.el10_2.20 | RHSA-2026:66336 | Sep 10, 2026 |
| vim · Ubuntu 18.04.6 LTS (bionic) | 2:8.0.1453-1ubuntu1.13+esm14 | vim 2:8.0.1453-1ubuntu1.13+esm14 | Feb 27, 2026 |
| vim · Ubuntu 20.04 LTS (focal) | 2:8.1.2269-1ubuntu5.32+esm2 | vim 2:8.1.2269-1ubuntu5.32+esm2 | Feb 27, 2026 |
| vim · Ubuntu 22.04.1 LTS (jammy) | 2:8.2.3995-1ubuntu2.26 | vim 2:8.2.3995-1ubuntu2.26 | Feb 27, 2026 |
| vim · Ubuntu 24.04.5 LTS (noble) | 2:9.1.0016-1ubuntu7.10 | vim 2:9.1.0016-1ubuntu7.10 | Feb 27, 2026 |
| vim · Ubuntu 25.10 (questing) | 2:9.1.0967-1ubuntu6.1 | vim 2:9.1.0967-1ubuntu6.1 | Feb 27, 2026 |
| vim · Ubuntu 26.04.1 LTS (resolute) | 2:9.1.2141-1ubuntu2 | vim 2:9.1.2141-1ubuntu2 | Feb 27, 2026 |
| vim · opensuse-leap 15.6 | 9.2.0110-150500.20.43.1 | SUSE-SU-2026:0910-1 | Apr 7, 2026 |
| vim · rocky 10 | 2:9.1.083-9.el10_2.20 | RLSA-2026:66336 | Sep 11, 2026 |
| vim · rocky 8 | 2:8.0.1763-31.el8_10.7 | RLSA-2026:66348 | Sep 11, 2026 |
| vim · rocky 9 | 2:8.2.2637-26.el9_8.21 | RLSA-2026:66366 | Sep 11, 2026 |
| vim · sles 15.6 | 9.2.0110-150500.20.43.1 | SUSE-SU-2026:0910-1 | Apr 7, 2026 |
| vim · sles 15.7 | 9.2.0110-150500.20.43.1 | SUSE-SU-2026:0910-1 | Apr 7, 2026 |
| vim-X11 · RHEL 8 | 2:8.0.1763-31.el8_10.7 | RHSA-2026:66348 | Sep 13, 2026 |
| vim-X11 · RHEL 9 | 2:8.2.2637-26.el9_8.21 | RHSA-2026:66366 | Sep 13, 2026 |
| vim-X11 · almalinux 10 | 2:9.1.083-9.el10_2.20 | ALSA-2026:66336 | Sep 10, 2026 |
| vim-X11 · almalinux 8 | 2:8.0.1763-31.el8_10.7 | ALSA-2026:66348 | Sep 10, 2026 |
| vim-X11 · almalinux 9 | 2:8.2.2637-26.el9_8.21 | ALSA-2026:66366 | Sep 10, 2026 |
| vim-X11 · ol 10 | 2:9.1.083-9.0.1.el10_2.20 | ELSA-2026-66336-0 | Sep 10, 2026 |
| vim-X11 · ol 8 | 2:8.0.1763-31.0.1.el8_10.7 | ELSA-2026-66348-0 | Sep 10, 2026 |
| vim-X11 · ol 9 | 2:8.2.2637-26.0.1.el9_8.21 | ELSA-2026-66366-0 | Sep 10, 2026 |
| vim-athena · Ubuntu 18.04.6 LTS (bionic) | 2:8.0.1453-1ubuntu1.13+esm14 | vim-athena 2:8.0.1453-1ubuntu1.13+esm14 | Feb 27, 2026 |
| vim-athena · Ubuntu 20.04 LTS (focal) | 2:8.1.2269-1ubuntu5.32+esm2 | vim-athena 2:8.1.2269-1ubuntu5.32+esm2 | Feb 27, 2026 |
| vim-athena · Ubuntu 22.04.1 LTS (jammy) | 2:8.2.3995-1ubuntu2.26 | vim-athena 2:8.2.3995-1ubuntu2.26 | Feb 27, 2026 |
| vim-athena · Ubuntu 24.04.5 LTS (noble) | 2:9.1.0016-1ubuntu7.10 | vim-athena 2:9.1.0016-1ubuntu7.10 | Feb 27, 2026 |
| vim-athena · Ubuntu 25.10 (questing) | 2:9.1.0967-1ubuntu6.1 | vim-athena 2:9.1.0967-1ubuntu6.1 | Feb 27, 2026 |
| vim-common · RHEL 8 | 2:8.0.1763-31.el8_10.7 | RHSA-2026:66348 | Sep 13, 2026 |
| vim-common · RHEL 9 | 2:8.2.2637-26.el9_8.21 | RHSA-2026:66366 | Sep 13, 2026 |
| vim-common · Ubuntu 18.04.6 LTS (bionic) | 2:8.0.1453-1ubuntu1.13+esm14 | vim-common 2:8.0.1453-1ubuntu1.13+esm14 | Feb 27, 2026 |
| vim-common · Ubuntu 20.04 LTS (focal) | 2:8.1.2269-1ubuntu5.32+esm2 | vim-common 2:8.1.2269-1ubuntu5.32+esm2 | Feb 27, 2026 |
| vim-common · Ubuntu 22.04.1 LTS (jammy) | 2:8.2.3995-1ubuntu2.26 | vim-common 2:8.2.3995-1ubuntu2.26 | Feb 27, 2026 |
| vim-common · Ubuntu 24.04.5 LTS (noble) | 2:9.1.0016-1ubuntu7.10 | vim-common 2:9.1.0016-1ubuntu7.10 | Feb 27, 2026 |
| vim-common · Ubuntu 25.10 (questing) | 2:9.1.0967-1ubuntu6.1 | vim-common 2:9.1.0967-1ubuntu6.1 | Feb 27, 2026 |
| vim-common · Ubuntu 26.04.1 LTS (resolute) | 2:9.1.2141-1ubuntu2 | vim-common 2:9.1.2141-1ubuntu2 | Feb 27, 2026 |
| vim-common · almalinux 10 | 2:9.1.083-9.el10_2.20 | ALSA-2026:66336 | Sep 10, 2026 |
| vim-common · almalinux 8 | 2:8.0.1763-31.el8_10.7 | ALSA-2026:66348 | Sep 10, 2026 |
| vim-common · almalinux 9 | 2:8.2.2637-26.el9_8.21 | ALSA-2026:66366 | Sep 10, 2026 |
| vim-common · amzn 2023 | 2:9.2.240-1.amzn2023.0.2 | ALAS2023-2026-1584 | Apr 13, 2026 |
| vim-common · ol 10 | 2:9.1.083-9.0.1.el10_2.20 | ELSA-2026-66336-0 | Sep 10, 2026 |
| vim-common · ol 8 | 2:8.0.1763-31.0.1.el8_10.7 | ELSA-2026-66348-0 | Sep 10, 2026 |
| vim-common · ol 9 | 2:8.2.2637-26.0.1.el9_8.21 | ELSA-2026-66366-0 | Sep 10, 2026 |
| vim-data · almalinux 10 | 2:9.1.083-9.el10_2.20 | ALSA-2026:66336 | Sep 10, 2026 |
| vim-data · amzn 2023 | 2:9.2.240-1.amzn2023.0.2 | ALAS2023-2026-1584 | Apr 13, 2026 |
| vim-data · ol 10 | 2:9.1.083-9.0.1.el10_2.20 | ELSA-2026-66336-0 | Sep 10, 2026 |
| vim-debuginfo · amzn 2023 | 2:9.2.240-1.amzn2023.0.2 | ALAS2023-2026-1584 | Apr 13, 2026 |
| vim-debugsource · amzn 2023 | 2:9.2.240-1.amzn2023.0.2 | ALAS2023-2026-1584 | Apr 13, 2026 |
| vim-default-editor · amzn 2023 | 2:9.2.240-1.amzn2023.0.2 | ALAS2023-2026-1584 | Apr 13, 2026 |
| vim-enhanced · RHEL 8 | 2:8.0.1763-31.el8_10.7 | RHSA-2026:66348 | Sep 13, 2026 |
| vim-enhanced · RHEL 9 | 2:8.2.2637-26.el9_8.21 | RHSA-2026:66366 | Sep 13, 2026 |
| vim-enhanced · almalinux 10 | 2:9.1.083-9.el10_2.20 | ALSA-2026:66336 | Sep 10, 2026 |
| vim-enhanced · almalinux 8 | 2:8.0.1763-31.el8_10.7 | ALSA-2026:66348 | Sep 10, 2026 |
| vim-enhanced · almalinux 9 | 2:8.2.2637-26.el9_8.21 | ALSA-2026:66366 | Sep 10, 2026 |
| vim-enhanced · amzn 2023 | 2:9.2.240-1.amzn2023.0.2 | ALAS2023-2026-1584 | Apr 13, 2026 |
| vim-enhanced · ol 10 | 2:9.1.083-9.0.1.el10_2.20 | ELSA-2026-66336-0 | Sep 10, 2026 |
| vim-enhanced · ol 8 | 2:8.0.1763-31.0.1.el8_10.7 | ELSA-2026-66348-0 | Sep 10, 2026 |
| vim-enhanced · ol 9 | 2:8.2.2637-26.0.1.el9_8.21 | ELSA-2026-66366-0 | Sep 10, 2026 |
| vim-enhanced-debuginfo · amzn 2023 | 2:9.2.240-1.amzn2023.0.2 | ALAS2023-2026-1584 | Apr 13, 2026 |
| vim-filesystem · almalinux 10 | 2:9.1.083-9.el10_2.20 | ALSA-2026:66336 | Sep 10, 2026 |
| vim-filesystem · almalinux 8 | 2:8.0.1763-31.el8_10.7 | ALSA-2026:66348 | Sep 10, 2026 |
| vim-filesystem · almalinux 9 | 2:8.2.2637-26.el9_8.21 | ALSA-2026:66366 | Sep 10, 2026 |
| vim-filesystem · amzn 2023 | 2:9.2.240-1.amzn2023.0.2 | ALAS2023-2026-1584 | Apr 13, 2026 |
| vim-filesystem · ol 10 | 2:9.1.083-9.0.1.el10_2.20 | ELSA-2026-66336-0 | Sep 10, 2026 |
| vim-filesystem · ol 8 | 2:8.0.1763-31.0.1.el8_10.7 | ELSA-2026-66348-0 | Sep 10, 2026 |
| vim-filesystem · ol 9 | 2:8.2.2637-26.0.1.el9_8.21 | ELSA-2026-66366-0 | Sep 10, 2026 |
| vim-gnome · Ubuntu 18.04.6 LTS (bionic) | 2:8.0.1453-1ubuntu1.13+esm14 | vim-gnome 2:8.0.1453-1ubuntu1.13+esm14 | Feb 27, 2026 |
| vim-gtk · Ubuntu 18.04.6 LTS (bionic) | 2:8.0.1453-1ubuntu1.13+esm14 | vim-gtk 2:8.0.1453-1ubuntu1.13+esm14 | Feb 27, 2026 |
| vim-gtk · Ubuntu 20.04 LTS (focal) | 2:8.1.2269-1ubuntu5.32+esm2 | vim-gtk 2:8.1.2269-1ubuntu5.32+esm2 | Feb 27, 2026 |
| vim-gtk · Ubuntu 22.04.1 LTS (jammy) | 2:8.2.3995-1ubuntu2.26 | vim-gtk 2:8.2.3995-1ubuntu2.26 | Feb 27, 2026 |
| vim-gtk3 · Ubuntu 18.04.6 LTS (bionic) | 2:8.0.1453-1ubuntu1.13+esm14 | vim-gtk3 2:8.0.1453-1ubuntu1.13+esm14 | Feb 27, 2026 |
| vim-gtk3 · Ubuntu 20.04 LTS (focal) | 2:8.1.2269-1ubuntu5.32+esm2 | vim-gtk3 2:8.1.2269-1ubuntu5.32+esm2 | Feb 27, 2026 |
| vim-gtk3 · Ubuntu 22.04.1 LTS (jammy) | 2:8.2.3995-1ubuntu2.26 | vim-gtk3 2:8.2.3995-1ubuntu2.26 | Feb 27, 2026 |
| vim-gtk3 · Ubuntu 24.04.5 LTS (noble) | 2:9.1.0016-1ubuntu7.10 | vim-gtk3 2:9.1.0016-1ubuntu7.10 | Feb 27, 2026 |
| vim-gtk3 · Ubuntu 25.10 (questing) | 2:9.1.0967-1ubuntu6.1 | vim-gtk3 2:9.1.0967-1ubuntu6.1 | Feb 27, 2026 |
| vim-gtk3 · Ubuntu 26.04.1 LTS (resolute) | 2:9.1.2141-1ubuntu2 | vim-gtk3 2:9.1.2141-1ubuntu2 | Feb 27, 2026 |
| vim-gui-common · Ubuntu 18.04.6 LTS (bionic) | 2:8.0.1453-1ubuntu1.13+esm14 | vim-gui-common 2:8.0.1453-1ubuntu1.13+esm14 | Feb 27, 2026 |
| vim-gui-common · Ubuntu 20.04 LTS (focal) | 2:8.1.2269-1ubuntu5.32+esm2 | vim-gui-common 2:8.1.2269-1ubuntu5.32+esm2 | Feb 27, 2026 |
| vim-gui-common · Ubuntu 22.04.1 LTS (jammy) | 2:8.2.3995-1ubuntu2.26 | vim-gui-common 2:8.2.3995-1ubuntu2.26 | Feb 27, 2026 |
| vim-gui-common · Ubuntu 24.04.5 LTS (noble) | 2:9.1.0016-1ubuntu7.10 | vim-gui-common 2:9.1.0016-1ubuntu7.10 | Feb 27, 2026 |
| vim-gui-common · Ubuntu 25.10 (questing) | 2:9.1.0967-1ubuntu6.1 | vim-gui-common 2:9.1.0967-1ubuntu6.1 | Feb 27, 2026 |
| vim-gui-common · Ubuntu 26.04.1 LTS (resolute) | 2:9.1.2141-1ubuntu2 | vim-gui-common 2:9.1.2141-1ubuntu2 | Feb 27, 2026 |
| vim-minimal · almalinux 10 | 2:9.1.083-9.el10_2.20 | ALSA-2026:66336 | Sep 10, 2026 |
| vim-minimal · almalinux 8 | 2:8.0.1763-31.el8_10.7 | ALSA-2026:66348 | Sep 10, 2026 |
| vim-minimal · almalinux 9 | 2:8.2.2637-26.el9_8.21 | ALSA-2026:66366 | Sep 10, 2026 |
| vim-minimal · amzn 2023 | 2:9.2.240-1.amzn2023.0.2 | ALAS2023-2026-1584 | Apr 13, 2026 |
| vim-minimal · ol 10 | 2:9.1.083-9.0.1.el10_2.20 | ELSA-2026-66336-0 | Sep 10, 2026 |
| vim-minimal · ol 8 | 2:8.0.1763-31.0.1.el8_10.7 | ELSA-2026-66348-0 | Sep 10, 2026 |
| vim-minimal · ol 9 | 2:8.2.2637-26.0.1.el9_8.21 | ELSA-2026-66366-0 | Sep 10, 2026 |
| vim-minimal-debuginfo · amzn 2023 | 2:9.2.240-1.amzn2023.0.2 | ALAS2023-2026-1584 | Apr 13, 2026 |
| vim-motif · Ubuntu 24.04.5 LTS (noble) | 2:9.1.0016-1ubuntu7.10 | vim-motif 2:9.1.0016-1ubuntu7.10 | Feb 27, 2026 |
| vim-motif · Ubuntu 25.10 (questing) | 2:9.1.0967-1ubuntu6.1 | vim-motif 2:9.1.0967-1ubuntu6.1 | Feb 27, 2026 |
| vim-motif · Ubuntu 26.04.1 LTS (resolute) | 2:9.1.2141-1ubuntu2 | vim-motif 2:9.1.2141-1ubuntu2 | Feb 27, 2026 |
| vim-nox · Ubuntu 18.04.6 LTS (bionic) | 2:8.0.1453-1ubuntu1.13+esm14 | vim-nox 2:8.0.1453-1ubuntu1.13+esm14 | Feb 27, 2026 |
| vim-nox · Ubuntu 20.04 LTS (focal) | 2:8.1.2269-1ubuntu5.32+esm2 | vim-nox 2:8.1.2269-1ubuntu5.32+esm2 | Feb 27, 2026 |
| vim-nox · Ubuntu 22.04.1 LTS (jammy) | 2:8.2.3995-1ubuntu2.26 | vim-nox 2:8.2.3995-1ubuntu2.26 | Feb 27, 2026 |
| vim-nox · Ubuntu 24.04.5 LTS (noble) | 2:9.1.0016-1ubuntu7.10 | vim-nox 2:9.1.0016-1ubuntu7.10 | Feb 27, 2026 |
| vim-nox · Ubuntu 25.10 (questing) | 2:9.1.0967-1ubuntu6.1 | vim-nox 2:9.1.0967-1ubuntu6.1 | Feb 27, 2026 |
| vim-nox · Ubuntu 26.04.1 LTS (resolute) | 2:9.1.2141-1ubuntu2 | vim-nox 2:9.1.2141-1ubuntu2 | Feb 27, 2026 |
| vim-runtime · Ubuntu 18.04.6 LTS (bionic) | 2:8.0.1453-1ubuntu1.13+esm14 | vim-runtime 2:8.0.1453-1ubuntu1.13+esm14 | Feb 27, 2026 |
| vim-runtime · Ubuntu 20.04 LTS (focal) | 2:8.1.2269-1ubuntu5.32+esm2 | vim-runtime 2:8.1.2269-1ubuntu5.32+esm2 | Feb 27, 2026 |
| vim-runtime · Ubuntu 22.04.1 LTS (jammy) | 2:8.2.3995-1ubuntu2.26 | vim-runtime 2:8.2.3995-1ubuntu2.26 | Feb 27, 2026 |
| vim-runtime · Ubuntu 24.04.5 LTS (noble) | 2:9.1.0016-1ubuntu7.10 | vim-runtime 2:9.1.0016-1ubuntu7.10 | Feb 27, 2026 |
| vim-runtime · Ubuntu 25.10 (questing) | 2:9.1.0967-1ubuntu6.1 | vim-runtime 2:9.1.0967-1ubuntu6.1 | Feb 27, 2026 |
| vim-runtime · Ubuntu 26.04.1 LTS (resolute) | 2:9.1.2141-1ubuntu2 | vim-runtime 2:9.1.2141-1ubuntu2 | Feb 27, 2026 |
| vim-tiny · Ubuntu 18.04.6 LTS (bionic) | 2:8.0.1453-1ubuntu1.13+esm14 | vim-tiny 2:8.0.1453-1ubuntu1.13+esm14 | Feb 27, 2026 |
| vim-tiny · Ubuntu 20.04 LTS (focal) | 2:8.1.2269-1ubuntu5.32+esm2 | vim-tiny 2:8.1.2269-1ubuntu5.32+esm2 | Feb 27, 2026 |
| vim-tiny · Ubuntu 22.04.1 LTS (jammy) | 2:8.2.3995-1ubuntu2.26 | vim-tiny 2:8.2.3995-1ubuntu2.26 | Feb 27, 2026 |
| vim-tiny · Ubuntu 24.04.5 LTS (noble) | 2:9.1.0016-1ubuntu7.10 | vim-tiny 2:9.1.0016-1ubuntu7.10 | Feb 27, 2026 |
| vim-tiny · Ubuntu 25.10 (questing) | 2:9.1.0967-1ubuntu6.1 | vim-tiny 2:9.1.0967-1ubuntu6.1 | Feb 27, 2026 |
| vim-tiny · Ubuntu 26.04.1 LTS (resolute) | 2:9.1.2141-1ubuntu2 | vim-tiny 2:9.1.2141-1ubuntu2 | Feb 27, 2026 |
| xxd · Ubuntu 18.04.6 LTS (bionic) | 2:8.0.1453-1ubuntu1.13+esm14 | xxd 2:8.0.1453-1ubuntu1.13+esm14 | Feb 27, 2026 |
| xxd · Ubuntu 20.04 LTS (focal) | 2:8.1.2269-1ubuntu5.32+esm2 | xxd 2:8.1.2269-1ubuntu5.32+esm2 | Feb 27, 2026 |
| xxd · Ubuntu 22.04.1 LTS (jammy) | 2:8.2.3995-1ubuntu2.26 | xxd 2:8.2.3995-1ubuntu2.26 | Feb 27, 2026 |
| xxd · Ubuntu 24.04.5 LTS (noble) | 2:9.1.0016-1ubuntu7.10 | xxd 2:9.1.0016-1ubuntu7.10 | Feb 27, 2026 |
| xxd · Ubuntu 25.10 (questing) | 2:9.1.0967-1ubuntu6.1 | xxd 2:9.1.0967-1ubuntu6.1 | Feb 27, 2026 |
| xxd · Ubuntu 26.04.1 LTS (resolute) | 2:9.1.2141-1ubuntu2 | xxd 2:9.1.2141-1ubuntu2 | Feb 27, 2026 |
| xxd · almalinux 10 | 2:9.1.083-9.el10_2.20 | ALSA-2026:66336 | Sep 10, 2026 |
| xxd · amzn 2023 | 2:9.2.240-1.amzn2023.0.2 | ALAS2023-2026-1584 | Apr 13, 2026 |
| xxd · ol 10 | 2:9.1.083-9.0.1.el10_2.20 | ELSA-2026-66336-0 | Sep 10, 2026 |
| xxd-debuginfo · amzn 2023 | 2:9.2.240-1.amzn2023.0.2 | ALAS2023-2026-1584 | Apr 13, 2026 |
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