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CVE-2024-41957

Publication date 1 August 2024

Last updated 5 September 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

5.3 · Medium

Score breakdown

Vim is an open source command line text editor. Vim < v9.1.0647 has double free in src/alloc.c:616. When closing a window, the corresponding tagstack data will be cleared and freed. However a bit later, the quickfix list belonging to that window will also be cleared and if that quickfix list points to the same tagstack data, Vim will try to free it again, resulting in a double-free/use-after-free access exception. Impact is low since the user must intentionally execute vim with several non-default flags, but it may cause a crash of Vim. The issue has been fixed as of Vim patch v9.1.0647

Status

Package Ubuntu Release Status
vim 24.04 LTS noble
Fixed 2:9.1.0016-1ubuntu7.2
22.04 LTS jammy
Fixed 2:8.2.3995-1ubuntu2.18
20.04 LTS focal
Fixed 2:8.1.2269-1ubuntu5.24
18.04 LTS bionic
16.04 LTS xenial
14.04 LTS trusty

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
vim

Severity score breakdown

Parameter Value
Base score 5.3 · Medium
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality Low
Integrity impact Low
Availability impact Low
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

References

Related Ubuntu Security Notices (USN)

Other references