Bug 2196578 (CVE-2023-2426) - CVE-2023-2426 vim: out-of-range Pointer offset in mb_charlen() of mbyte.c
Summary: CVE-2023-2426 vim: out-of-range Pointer offset in mb_charlen() of mbyte.c
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2023-2426
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2196582 2196583 2196584
Blocks: 2192388
TreeView+ depends on / blocked
 
Reported: 2023-05-09 13:10 UTC by TEJ RATHI
Modified: 2023-05-10 14:33 UTC (History)
3 users (show)

Fixed In Version: vim 9.0.1499
Doc Type: If docs needed, set a value
Doc Text:
An out-of-range pointer offset vulnerability was found in Vim's mb_charlen() function of the src/mbyte.c file. This flaw allows an attacker to trick a user into opening a specially crafted file, triggering the vulnerability that causes an application to crash, leading to a denial of service.
Clone Of:
Environment:
Last Closed: 2023-05-10 14:33:32 UTC
Embargoed:

Attachments (Terms of Use)

Description TEJ RATHI 2023-05-09 13:10:12 UTC 
Use of Out-of-range Pointer Offset in vim/vim prior to 9.0.1499.

https://huntr.dev/bounties/3451be4c-91c8-4d08-926b-cbff7396f425
https://github.com/vim/vim/commit/caf642c25de526229264cab9425e7c9979f3509b
Comment 1 TEJ RATHI 2023-05-09 13:13:02 UTC 
Created vim tracking bugs for this issue:

Affects: fedora-36 [bug 2196582]
Affects: fedora-37 [bug 2196583]
Affects: fedora-38 [bug 2196584]
Comment 2 Product Security DevOps Team 2023-05-10 14:33:30 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2023-2426
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