CVE-2021-3770
7.8 HIGHvim is vulnerable to Heap-based Buffer Overflow
Published: 2021-09-06 · Last updated: 2026-06-17
Severity and scoring
- CVSS
- 7.8 HIGH
- Vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CWE
- CWE-122, CWE-787
Affected products
| Vendor | Product |
|---|---|
| fedoraproject | fedora, ontap_select_deploy_administration_utility, vim |
| netapp | fedora, ontap_select_deploy_administration_utility, vim |
| vim | fedora, ontap_select_deploy_administration_utility, vim |
Description
vim is vulnerable to Heap-based Buffer Overflow
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-3770
- [Patch]http://www.openwall.com/lists/oss-security/2021/10/01/1
- [Patch]https://github.com/vim/vim/commit/b7081e135a16091c93f6f5f7525a5c58fb7ca9f9
- [Patch]https://huntr.dev/bounties/016ad2f2-07c1-4d14-a8ce-6eed10729365
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J2CJLY3CF55I2ULG2X4ENXLSXAXYW5J4/
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X4FFQARG3LGREPDZRI4C7ERQL3RJKEWQ/
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZFNTMVZCN4TRTTCAXRLVQ7H2P7FYAIZQ/
- [Other]https://security.gentoo.org/glsa/202208-32
- [Other]https://security.netapp.com/advisory/ntap-20221124-0003/
- [Patch]http://www.openwall.com/lists/oss-security/2021/10/01/1
- [Patch]https://github.com/vim/vim/commit/b7081e135a16091c93f6f5f7525a5c58fb7ca9f9
- [Patch]https://huntr.dev/bounties/016ad2f2-07c1-4d14-a8ce-6eed10729365
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J2CJLY3CF55I2ULG2X4ENXLSXAXYW5J4/
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X4FFQARG3LGREPDZRI4C7ERQL3RJKEWQ/
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZFNTMVZCN4TRTTCAXRLVQ7H2P7FYAIZQ/
- [Other]https://security.gentoo.org/glsa/202208-32
- [Other]https://security.netapp.com/advisory/ntap-20221124-0003/
Related CVEs
Same vendor
- CVE-2026-52860 — Vim is an open source, command line text editor (7.8 HIGH)
- CVE-2026-52859 — Vim is an open source, command line text editor (8.2 HIGH)
- CVE-2026-52858 — Vim is an open source, command line text editor (7.8 HIGH)
- CVE-2026-47167 — Vim is an open source, command line text editor (5.3 MEDIUM)
- CVE-2026-47162 — Vim is an open source, command line text editor (8.8 HIGH)
Same CWE
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- CVE-2026-47747 — stable-diffusion.cpp is a pure C/C++ library for running diffusion model (Stable Diffusion, Flux, Wan, Qwen Image, Z-Image, and more) inf... (7.8 HIGH)
- CVE-2026-47964 — DNG SDK versions 1.7.1 2536 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code ex... (7.8 HIGH)
- CVE-2026-47749 — stable-diffusion.cpp is a pure C/C++ library for running diffusion model (Stable Diffusion, Flux, Wan, Qwen Image, Z-Image, and more) inf... (7.8 HIGH)
- CVE-2026-12314 — Memory safety bug fixed in Thunderbird 152 (7.5 HIGH)