High severity · published Oct 19, 2021
CVE-2021-3872
vim is vulnerable to Heap-based Buffer Overflow
7.8
CVSS
1.5%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 74% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0 · source: NVD
FE
Fedora · Fedoraproject
33; 35 · source: NVD
VI
Vim · Vim
before 8.2.3487 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-3872
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-3872
Patch
https://github.com/vim/vim/commit/826bfe4bbd7594188e3d74d2539d9707b1c6a14b
Exploit
https://huntr.dev/bounties/c958013b-1c09-4939-92ca-92f50aa169e8
Mailing List
https://lists.debian.org/debian-lts-announce/2022/03/msg00018.html
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7K4JJBIH3OQSZRVTWKCJCDLGMFGQ5DOH/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S42L4Z4DTW4LHLQ4FJ33VEOXRCBE7WN4/
Third Party Advisory
https://security.gentoo.org/glsa/202208-32
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