From: Anil Dongare <[email protected]> Pick patch from [1] also mentioned in [2] [1] https://github.com/vim/vim/commit/0714b15940b245108e6e9d7aa2260dd849a26fa9 [2] https://nvd.nist.gov/vuln/detail/CVE-2026-25749
Signed-off-by: Anil Dongare <[email protected]> --- .../vim/files/CVE-2026-25749.patch | 63 +++++++++++++++++++ meta/recipes-support/vim/vim.inc | 1 + 2 files changed, 64 insertions(+) create mode 100644 meta/recipes-support/vim/files/CVE-2026-25749.patch diff --git a/meta/recipes-support/vim/files/CVE-2026-25749.patch b/meta/recipes-support/vim/files/CVE-2026-25749.patch new file mode 100644 index 0000000000..4236464c99 --- /dev/null +++ b/meta/recipes-support/vim/files/CVE-2026-25749.patch @@ -0,0 +1,63 @@ +From 04c5e03c2c638e6c82c250f7b612eab29fe7d9ba Mon Sep 17 00:00:00 2001 +From: Christian Brabandt <[email protected]> +Date: Thu, 5 Feb 2026 18:51:54 +0000 +Subject: [PATCH] patch 9.1.2132: [security]: buffer-overflow in 'helpfile' + option handling + +Problem: [security]: buffer-overflow in 'helpfile' option handling by + using strcpy without bound checks (Rahul Hoysala) +Solution: Limit strncpy to the length of the buffer (MAXPATHL) + +Github Advisory: +https://github.com/vim/vim/security/advisories/GHSA-5w93-4g67-mm43 + +CVE: CVE-2026-25749 +Upstream-Status: Backport [https://github.com/vim/vim/commit/0714b15940b245108e6e9d7aa2260dd849a26fa9] + +Backport Changes: +- Excluded changes to src/version.c and runtime/doc/version9.txt + from this backport. This file only tracks upstream version increments. + We are applying a security fix, not a version upgrade. These changes + were skipped to maintain current package versioning and avoid merge conflicts. + +Signed-off-by: Christian Brabandt <[email protected]> +(cherry picked from commit 0714b15940b245108e6e9d7aa2260dd849a26fa9) +Signed-off-by: Anil Dongare <[email protected]> +--- + src/tag.c | 2 +- + src/testdir/test_help.vim | 9 +++++++++ + 2 files changed, 10 insertions(+), 1 deletion(-) + +diff --git a/src/tag.c b/src/tag.c +index 6912e8743..a32bbb245 100644 +--- a/src/tag.c ++++ b/src/tag.c +@@ -3348,7 +3348,7 @@ get_tagfname( + if (tnp->tn_hf_idx > tag_fnames.ga_len || *p_hf == NUL) + return FAIL; + ++tnp->tn_hf_idx; +- STRCPY(buf, p_hf); ++ vim_strncpy(buf, p_hf, MAXPATHL - 1); + STRCPY(gettail(buf), "tags"); + #ifdef BACKSLASH_IN_FILENAME + slash_adjust(buf); +diff --git a/src/testdir/test_help.vim b/src/testdir/test_help.vim +index dac153d86..f9e4686bb 100644 +--- a/src/testdir/test_help.vim ++++ b/src/testdir/test_help.vim +@@ -222,4 +222,13 @@ func Test_helptag_navigation() + endfunc + + ++" This caused a buffer overflow ++func Test_helpfile_overflow() ++ let _helpfile = &helpfile ++ let &helpfile = repeat('A', 5000) ++ help ++ helpclose ++ let &helpfile = _helpfile ++endfunc ++ + " vim: shiftwidth=2 sts=2 expandtab +-- +2.43.7 diff --git a/meta/recipes-support/vim/vim.inc b/meta/recipes-support/vim/vim.inc index c730f1d0cf..044117a57f 100644 --- a/meta/recipes-support/vim/vim.inc +++ b/meta/recipes-support/vim/vim.inc @@ -16,6 +16,7 @@ SRC_URI = "git://github.com/vim/vim.git;branch=master;protocol=https;tag=v${PV} file://disable_acl_header_check.patch \ file://0001-src-Makefile-improve-reproducibility.patch \ file://no-path-adjust.patch \ + file://CVE-2026-25749.patch \ " PV .= ".1683" -- 2.44.1
-=-=-=-=-=-=-=-=-=-=-=- Links: You receive all messages sent to this group. View/Reply Online (#232854): https://lists.openembedded.org/g/openembedded-core/message/232854 Mute This Topic: https://lists.openembedded.org/mt/118257283/21656 Group Owner: [email protected] Unsubscribe: https://lists.openembedded.org/g/openembedded-core/unsub [[email protected]] -=-=-=-=-=-=-=-=-=-=-=-
