CVE-2021-3796
7.3 HIGHvim is vulnerable to Use After Free
Published: 2021-09-15 · Last updated: 2026-06-17
Severity and scoring
- CVSS
- 7.3 HIGH
- Vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:H
- CWE
- CWE-416
Affected products
| Vendor | Product |
|---|---|
| debian | debian_linux, fedora, ontap_select_deploy_administration_utility |
| fedoraproject | debian_linux, fedora, ontap_select_deploy_administration_utility |
| netapp | debian_linux, fedora, ontap_select_deploy_administration_utility |
| vim | debian_linux, fedora, ontap_select_deploy_administration_utility |
Description
vim is vulnerable to Use After Free
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-3796
- [Other]http://www.openwall.com/lists/oss-security/2021/10/01/1
- [Patch]https://github.com/vim/vim/commit/35a9a00afcb20897d462a766793ff45534810dc3
- [Patch]https://huntr.dev/bounties/ab60b7f3-6fb1-4ac2-a4fa-4d592e08008d
- [Other]https://lists.debian.org/debian-lts-announce/2022/01/msg00003.html
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7K4JJBIH3OQSZRVTWKCJCDLGMFGQ5DOH/
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S42L4Z4DTW4LHLQ4FJ33VEOXRCBE7WN4/
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TE62UMYBZE4AE53K6OBBWK32XQ7544QM/
- [Other]https://security.gentoo.org/glsa/202208-32
- [Other]https://security.netapp.com/advisory/ntap-20221118-0004/
- [Other]http://www.openwall.com/lists/oss-security/2021/10/01/1
- [Patch]https://github.com/vim/vim/commit/35a9a00afcb20897d462a766793ff45534810dc3
- [Patch]https://huntr.dev/bounties/ab60b7f3-6fb1-4ac2-a4fa-4d592e08008d
- [Other]https://lists.debian.org/debian-lts-announce/2022/01/msg00003.html
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7K4JJBIH3OQSZRVTWKCJCDLGMFGQ5DOH/
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S42L4Z4DTW4LHLQ4FJ33VEOXRCBE7WN4/
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TE62UMYBZE4AE53K6OBBWK32XQ7544QM/
- [Other]https://security.gentoo.org/glsa/202208-32
- [Other]https://security.netapp.com/advisory/ntap-20221118-0004/
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
- CVE-2026-10640 — Zephyr's IPv6 Neighbor Discovery send paths (net_ipv6_send_na, net_ipv6_send_ns, net_ipv6_send_rs in subsys/net/ip/ipv6_nbr.c) updated th... (4.2 MEDIUM)
- CVE-2026-10639 — In Zephyr's native IPv4 stack, icmpv4_handle_echo_request() in subsys/net/ip/icmpv4.c builds an echo-reply packet (reply), hands it to ne... (4.8 MEDIUM)
- CVE-2026-10638 — subsys/net/ip/icmpv6.c reads the network interface from a net_pkt after that packet has been handed to net_try_send_data() (5.9 MEDIUM)
- CVE-2026-10637 — subsys/net/ip/ipv6_mld.c:mld_send() read the packet interface via net_pkt_iface(pkt) after net_send_data(pkt) returned successfully (5.9 MEDIUM)
- CVE-2026-10636 — In Zephyr's IPv4 IGMP implementation, igmp_send() in subsys/net/ip/igmp.c read the network interface back out of the packet via net_pkt_i... (3.7 LOW)