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CVE

CVE-2021-3903

vim is vulnerable to Heap-based Buffer Overflow

vim is vulnerable to Heap-based Buffer Overflow.

HIGH · CVSS 7.8 EPSS 0.00368
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-122Heap-based Buffer Overflow
CWE-787Out-of-bounds Write
▤

Affected Products & Versions

3
vim< 8.2.3564
fedoraproject fedoraall versions
debian linuxall versions
⚠

Public Exploits & PoCs

1
pochuntr.dev · 35738a4f-55ce-446c-b836-2fb0b39625f8huntr.dev
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · security@huntr.dev
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD27 Oct 2021 · 09:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

5
suse-csafSUSE-SU-2022:4619-1
suse-csafSUSE-SU-2022:2102-1
usnUSN-5147-1
msrcCVE-2021-3903
rhsaRHSA-2024:9405Low
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.openwall.com/lists/oss-security/2022/01/15/1Mailing ListThird Party Advisory
https://github.com/vim/vim/commit/777e7c21b7627be80961848ac560cb0a9978ff43PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/06/msg00014.htmlMailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BN4EX7BPQU7RP6PXCNCSDORUZBXQ4JUH/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DU26T75PYA3OF7XJGNKMT2ZCQEU4UKP5/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNXY7T5OORA7UJIMGSJBGHFMU6UZWS6P/
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