High severity · published Oct 27, 2021
CVE-2021-3903
vim is vulnerable to Heap-based Buffer Overflow
7.8
CVSS
0.6%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 51% 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; 34; 35 · source: NVD
VI
Vim · Vim
before 8.2.3564 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-3903
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-3903
Mailing List
http://www.openwall.com/lists/oss-security/2022/01/15/1
Patch
https://github.com/vim/vim/commit/777e7c21b7627be80961848ac560cb0a9978ff43
Exploit
https://huntr.dev/bounties/35738a4f-55ce-446c-b836-2fb0b39625f8
Mailing List
https://lists.debian.org/debian-lts-announce/2022/06/msg00014.html
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BN4EX7BPQU7RP6PXCNCSDORUZBXQ4JUH/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DU26T75PYA3OF7XJGNKMT2ZCQEU4UKP5/
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