Buffer overflow in Vim
CVE-2021-3903
vim is vulnerable to Heap-based Buffer Overflow
Vulnerability class: Buffer Overflow
EPSS: 0.006 (45.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Vim
- Vim Vim/vim — versions unspecified
- Debian Debian_linux — versions 9.0
- Fedoraproject Fedora — versions 33, 34, 35
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@huntr.dev (x_refsource_CONFIRM, Exploit, Patch, Third Party Advisory, Issue Tracking)
- security@huntr.dev (Patch, Third Party Advisory, x_refsource_MISC)
- security@huntr.dev (x_refsource_FEDORA, vendor-advisory)
- security@huntr.dev (x_refsource_FEDORA, vendor-advisory)
- security@huntr.dev (x_refsource_FEDORA, vendor-advisory)
- security@huntr.dev (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- security@huntr.dev (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-3903?
- CVE-2021-3903 is a high-severity vulnerability in Vim, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2021-10-27.
- How severe is CVE-2021-3903?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2021-3903 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.