CVE-2022-3256

Use After Free in GitHub repository vim/vim prior to 9.0.0530.

Use After Free in GitHub repository vim/vim prior to 9.0.0530.

Vim is an advanced text editor that seeks to provide the power of the de-facto Unix editor 'Vi', with a more complete feature set. Vim is a highly configurable text editor built to enable efficient text editing. It is an improved version of the vi editor distributed with most UNIX systems.

Security Fix(es):

Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.0483.(CVE-2022-3234)

Use After Free in GitHub repository vim/vim prior to 9.0.0490.(CVE-2022-3235)

Use After Free in GitHub repository vim/vim prior to 9.0.0530.(CVE-2022-3256)

Use After Free in GitHub repository vim/vim prior to 9.0.0530.

• SECURITY_UPDATE: Using freed memory when autocmd changes mark
  • debian/patches/CVE-2022-3256.patch: Copy the mark before editing another buffer
  • CVE-2022-3256

• CVE-2022-3256: copy the mark before editing another buffer

• CVE-2022-3256: copy the mark before editing another buffer

• CVE-2022-2175: fix invalid memory access in cmdline_insert_reg() when using an expression on the command line; save/restore new_cmdpos around the expression evaluation (ex_getln.c, upstream patch 8.2.5148; hunk 3 context adjusted for 8.2.2637)
• CVE-2022-3256: fix use-after-free in movemark() when an autocommand changes the mark; make a local copy of the fmark before potentially triggering buffer autocommands (mark.c, upstream patch 9.0.0530)
• CVE-2022-4292: fix use-after-free in did_set_spelllang() when a SpellFileMissing autocommand uses :bwipe to close the current window; also bail out when the window is no longer valid (spell.c, upstream patch 9.0.0882)
• CVE-2022-3324: fix negative-index buffer access caused by negative window width; clamp next_curwin_size in win_equal_rec() and clamp wp->w_width in win_new_width() (window.c, upstream patch 9.0.0598)

• CVE-2022-0572: heap overflow on vcol-overflow in :retab (upstream vim 8.2.4359)
• CVE-2022-0368: illegal memory access when undo makes Visual area invalid (upstream vim 8.2.4217)
• CVE-2022-0685: crash on multi-byte char in unix_expandpath() (upstream vim 8.2.4418)
• CVE-2022-2125: heap overflow in get_lisp_indent() (upstream vim 8.2.5122)
• CVE-2022-2183: reading past end-of-line in lisp indenting (upstream vim 8.2.5151)
• CVE-2022-2124: reading past end-of-line in current_quote() (upstream vim 8.2.5120)
• CVE-2022-2344: heap overflow in ins_compl_add() (upstream vim 9.0.0046)
• CVE-2022-3256: use-after-free in movemark() when autocmd changes mark (upstream vim 9.0.0530)
• CVE-2023-4752: heap use-after-free in ins_compl_get_exp() (upstream vim 9.0.1858)
• CVE-2022-2126: spell-suggest read past bad word (upstream vim 8.2.5123)
• CVE-2022-2946: use-after-free in do_tag() when tagfunc invalidates tagstack (upstream vim 9.0.0246)
• CVE-2022-1720: OOB read in get_visual_text() (upstream vim 8.2.4956)
• CVE-2022-3234: OOB write in op_replace() (upstream vim 9.0.0483)
• CVE-2023-0433: same_leader() read past end-of-line on short comment line (upstream vim 9.0.1225)
• CVE-2023-4781: heap-buffer-overflow in vim_regsub_both() via nmatch underflow in :substitute, plus textlock guard in win_exchange() (upstream vim 9.0.1873)
• CVE-2022-0351: crash on deeply nested expression (upstream vim 8.2.4206)
• CVE-2022-2175: new_cmdpos leak across register insertion in getcmdline() (upstream vim 8.2.5148)
• CVE-2026-39881: netbeans command injection via crafted sign/highlight identifier + special-keys (upstream vim 9.2.0316)
• CVE-2021-4166: heap-buffer-overflow when clearing the argument list while it is being used (upstream vim 8.2.3884, with 8.2.2421 + 8.2.2463 prereqs for arglist_locked plumbing)
• CVE-2022-2343: heap-buffer-overflow in ins_compl_add_infercase() on long line with 'infercase' (upstream vim 9.0.0045)
• CVE-2022-3296: stack underflow in ex_finally / ex_endtry when :finally lacks an enclosing :try (upstream vim 9.0.0577)

Out-of-bounds Write in GitHub repository vim/vim prior to 8.2. (CVE-2022-2000, CVE-2022-2129, CVE-2022-2210)

Use After Free in GitHub repository vim/vim prior to 8.2. (CVE-2022-2042)

Buffer Over-read in GitHub repository vim/vim prior to 8.2. (CVE-2022-2124, CVE-2022-2175)

Heap-based Buffer Overflow in GitHub repository vim/vim prior to 8.2. (CVE-2022-2125, CVE-2022-2182, CVE-2022-2207)

Out-of-bounds Read in GitHub repository vim/vim prior to 8.2. (CVE-2022-2126, CVE-2022-2183, CVE-2022-2206)

NULL Pointer Dereference in GitHub repository vim/vim prior to 8.2.5163. (CVE-2022-2208)

NULL Pointer Dereference in GitHub repository vim/vim prior to 8.2. (CVE-2022-2231)

Out-of-bounds Read in GitHub repository vim/vim prior to 9.0. (CVE-2022-2257, CVE-2022-2286, CVE-2022-2287, CVE-2022-2288)

Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0. (CVE-2022-2264, CVE-2022-2284)

Integer Overflow or Wraparound in GitHub repository vim/vim prior to 9.0. (CVE-2022-2285)

Use After Free in GitHub repository vim/vim prior to 9.0. (CVE-2022-2289)

Stack-based Buffer Overflow in GitHub repository vim/vim prior to 9.0. (CVE-2022-2304)

Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.0044. (CVE-2022-2343)

Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.0045. (CVE-2022-2344)

Use After Free in GitHub repository vim/vim prior to 9.0.0046. (CVE-2022-2345)

Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.0061. (CVE-2022-2522)

Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.0101. (CVE-2022-2571)

Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.0102. (CVE-2022-2580)

Out-of-bounds Read in GitHub repository vim/vim prior to 9.0.0104. (CVE-2022-2581)

Undefined Behavior for Input to API in GitHub repository vim/vim prior to 9.0.0100. (CVE-2022-2598)

Out-of-bounds Read in GitHub repository vim/vim prior to 9.0.0212. (CVE-2022-2816)

Use After Free in GitHub repository vim/vim prior to 9.0.0213. (CVE-2022-2817)

Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.0211. (CVE-2022-2819)

Buffer Over-read in GitHub repository vim/vim prior to 9.0.0218. (CVE-2022-2845)

Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.0220. (CVE-2022-2849)

Use After Free in GitHub repository vim/vim prior to 9.0.0221. (CVE-2022-2862)

NULL Pointer Dereference in GitHub repository vim/vim prior to 9.0.0224. (CVE-2022-2874)

Use After Free in GitHub repository vim/vim prior to 9.0.0225. (CVE-2022-2889)

NULL Pointer Dereference in GitHub repository vim/vim prior to 9.0.0240. (CVE-2022-2923)

Use After Free in GitHub repository vim/vim prior to 9.0.0246. (CVE-2022-2946)

NULL Pointer Dereference in GitHub repository vim/vim prior to 9.0.0259. (CVE-2022-2980)

Use After Free in GitHub repository vim/vim prior to 9.0.0260. (CVE-2022-2982)

Use After Free in GitHub repository vim/vim prior to 9.0.0286. (CVE-2022-3016)

Use After Free in GitHub repository vim/vim prior to 9.0.0322. (CVE-2022-3037)

Use After Free in GitHub repository vim/vim prior to 9.0.0360. (CVE-2022-3099)

Use After Free in GitHub repository vim/vim prior to 9.0.0389. (CVE-2022-3134)

Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.0483. (CVE-2022-3234)

Use After Free in GitHub repository vim/vim prior to 9.0.0490. (CVE-2022-3235)

Use After Free in GitHub repository vim/vim prior to 9.0.0530. (CVE-2022-3256)

NULL Pointer Dereference in GitHub repository vim/vim prior to 9.0.0552. (CVE-2022-3278)

Stack-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.0577. (CVE-2022-3296)

Use After Free in GitHub repository vim/vim prior to 9.0.0579. (CVE-2022-3297)

Stack-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.0598. (CVE-2022-3324)

Use After Free in GitHub repository vim/vim prior to 9.0.0614. (CVE-2022-3352)

Affected by this issue is the function qf_update_buffer of the file quickfix.c of the…

It was discovered that Vim uses freed memory in recurisve substitution of specially crafted patterns. An attacker could possbly use this to crash Vim and cause denial of service. (CVE-2022-2345)

It was discovered that Vim makes illegal memory calls when patterns start with an illegal byte. An attacker could possibly use this to crash Vim, access or modify memory, or execute arbitrary commands. (CVE-2022-2581)

It was discovered that Vim could be made to crash when parsing invalid line numbers. An attacker could possbly use this to crash Vim and cause denial of service. (CVE-2022-3099)

It was discovered that Vim uses freed memory when autocmd changes a mark. An attacker could possbly use this to crash Vim and cause denial of service. (CVE-2022-3256)

It was discovered the Vim uses an incorrect array index when window width is negative. A local attacker could possbly use this to crash Vim and cause denial of service. (CVE-2022-3324)

It was discoverd that certain buffers could be sent to the wrong window. An attacker with local access could use this to send messages to the wrong window. (CVE-2022-3591)

It was discovered that Vim incorrectly handled memory when opening certain files. If an attacker could trick a user into opening a specially crafted file, it could cause Vim to crash, or possibly execute arbitrary code. This issue only affected Ubuntu 22.04 LTS. (CVE-2022-3235, CVE-2022-3278, CVE-2022-3297, CVE-2022-3491)

It was discovered that Vim incorrectly handled memory when opening certain files. If an attacker could trick a user into opening a specially crafted file, it could cause Vim to crash, or possibly execute arbitrary code. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS. (CVE-2022-3352, CVE-2022-4292)

It was discovered that Vim incorrectly handled memory when replacing in virtualedit mode. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS. (CVE-2022-3234)

It was discovered that Vim incorrectly handled memory when autocmd changes mark. An attacker could possibly use this issue to cause a denial of service. (CVE-2022-3256)

It was discovered that Vim did not properly perform checks on array index with negative width window. An attacker could possibly use this issue to cause a denial of service, or execute arbitrary code. (CVE-2022-3324)

It was discovered that Vim did not properly perform checks on a put command column with a visual block. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS. (CVE-2022-3520)

It was discovered that Vim incorrectly handled memory when using autocommand to open a window. An attacker could possibly use this issue to cause a denial of service. (CVE-2022-3591)

It was discovered that Vim incorrectly handled memory when updating buffer of the component autocmd handler. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS. (CVE-2022-3705)

It was discovered that Vim incorrectly handled floating point comparison with incorrect operator. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 20.04 LTS. and Ubuntu 22.04 LTS. (CVE-2022-4293)