CVE-2021-3778: vim: Heap-based Buffer Overflow in utf_ptr2char() Fix: patch 8.2.3409: reading beyond end of line with invalid utf-8 character When vim 8.2 is built with --with-features=huge --enable-gui=none and address sanitizer, a heap-buffer overflow occurs when running: echo “Ywp2XTCqCi4KeQpAMA==” | base64 -d > fuzz000.txt vim -u NONE -X -Z -e -s -S fuzz000.txt -c :qa! CVE-2021-3796: vim: Use After Free in nv_replace() Fix: patch 8.2.3428: using freed memory when replacing When vim 8.2 is built with --with-features=huge --enable-gui=none and address sanitizer, a use-after-free occurs when running: LC_ALL=C vim -U NONE -X -Z -e -s -S poc -c :qa! with the poc file provided.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Mageia | 8 | noarch | vim | < 8.2.2143-3.2 | vim-8.2.2143-3.2.mga8 |
bugs.mageia.org/show_bug.cgi?id=29501
github.com/vim/vim/commit/35a9a00afcb20897d462a766793ff45534810dc3
github.com/vim/vim/commit/65b605665997fad54ef39a93199e305af2fe4d7f
huntr.dev/bounties/ab60b7f3-6fb1-4ac2-a4fa-4d592e08008d/
huntr.dev/bounties/d9c17308-2c99-4f9f-a706-f7f72c24c273/
lists.fedoraproject.org/archives/list/[email protected]/thread/TE62UMYBZE4AE53K6OBBWK32XQ7544QM/
ubuntu.com/security/notices/USN-5093-1
www.openwall.com/lists/oss-security/2021/10/01/1