Vim: Stack Buffer Overflow in the Vim Socket Server
CVE-2026-73070 is fixed in 13 products on 1 platform, first by DEBIAN-CVE-2026-73070, released August 13, 2026. It is not reported as exploited. Patch Radar priority: Routine.
Vim is an open source, command line text editor. Prior to 9.2.0842, the socket server backend in src/socketserver.c accepts unbounded client connections in socketserver_accept(), causing descriptors to overflow fd_set structures in src/channel.c and fixed-size struct pollfd arrays in src/os_unix.c, which allows a local process that can connect to the server socket to corrupt stack memory or terminate the Vim server. This issue is fixed in version 9.2.0842.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| vim · Debian 14 | 2:9.2.0858-1 | DEBIAN-CVE-2026-73070 | Aug 13, 2026 |
| vim · opensuse-leap 16.0 | 9.2.0957-160000.1.1 | OPENSUSE-SU-2026:21671-1 | Aug 28, 2026 |
| vim · sles 15.6 | 9.2.0957-150500.20.64.1 | SUSE-SU-2026:3680-1 | Aug 21, 2026 |
| vim · sles 15.7 | 9.2.0957-150500.20.64.1 | SUSE-SU-2026:3680-1 | Aug 21, 2026 |
| vim · sles 16.0 | 9.2.0957-160000.1.1 | SUSE-SU-2026:23552-1 | Aug 28, 2026 |
| vim-common · amzn 2023 | 2:9.2.920-1.amzn2023.0.1 | ALAS2023-2026-2108 | Aug 31, 2026 |
| vim-data · amzn 2023 | 2:9.2.920-1.amzn2023.0.1 | ALAS2023-2026-2108 | Aug 31, 2026 |
| vim-debuginfo · amzn 2023 | 2:9.2.920-1.amzn2023.0.1 | ALAS2023-2026-2108 | Aug 31, 2026 |
| vim-debugsource · amzn 2023 | 2:9.2.920-1.amzn2023.0.1 | ALAS2023-2026-2108 | Aug 31, 2026 |
| vim-default-editor · amzn 2023 | 2:9.2.920-1.amzn2023.0.1 | ALAS2023-2026-2108 | Aug 31, 2026 |
| vim-enhanced · amzn 2023 | 2:9.2.920-1.amzn2023.0.1 | ALAS2023-2026-2108 | Aug 31, 2026 |
| vim-enhanced-debuginfo · amzn 2023 | 2:9.2.920-1.amzn2023.0.1 | ALAS2023-2026-2108 | Aug 31, 2026 |
| vim-filesystem · amzn 2023 | 2:9.2.920-1.amzn2023.0.1 | ALAS2023-2026-2108 | Aug 31, 2026 |
| vim-minimal · amzn 2023 | 2:9.2.920-1.amzn2023.0.1 | ALAS2023-2026-2108 | Aug 31, 2026 |
| vim-minimal-debuginfo · amzn 2023 | 2:9.2.920-1.amzn2023.0.1 | ALAS2023-2026-2108 | Aug 31, 2026 |
| xxd · amzn 2023 | 2:9.2.920-1.amzn2023.0.1 | ALAS2023-2026-2108 | Aug 31, 2026 |
| xxd-debuginfo · amzn 2023 | 2:9.2.920-1.amzn2023.0.1 | ALAS2023-2026-2108 | Aug 31, 2026 |
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