vim: CVE-2021-3770: using retab with large value may lead to heap buffer overflow

Debian Bug report logs - #994076
vim: CVE-2021-3770: using retab with large value may lead to heap buffer overflow

Reply or subscribe to this bug.

Toggle useless messages

Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: Salvatore Bonaccorso <carnil@debian.org>

To: Debian Bug Tracking System <submit@bugs.debian.org>

Subject: vim: CVE-2021-3770: using retab with large value may lead to heap buffer overflow

Date: Sat, 11 Sep 2021 09:26:04 +0200

Source: vim
Version: 2:8.2.2434-3
Severity: important
Tags: security upstream
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>

Hi,

The following vulnerability was published for vim.

CVE-2021-3770[0]:
| vim is vulnerable to Heap-based Buffer Overflow

The fix is at [1] but needed a followup [2].


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2021-3770
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3770
[1] https://github.com/vim/vim/commit/b7081e135a16091c93f6f5f7525a5c58fb7ca9f9 
[2] https://github.com/vim/vim/commit/2ddb89f8a94425cda1e5491efc80c1ccccb6e08e
[3] https://huntr.dev/bounties/016ad2f2-07c1-4d14-a8ce-6eed10729365/

Regards,
Salvatore

Send a report that this bug log contains spam.