From patchwork Tue Sep 1 07:21:14 2026 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hitendra Prajapati X-Patchwork-Id: 96934 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id D56A4C61DD3 for ; Tue, 1 Sep 2026 07:21:34 +0000 (UTC) Received: from mail-pg1-f178.google.com (mail-pg1-f178.google.com [209.85.215.178]) by mx.groups.io with SMTP id smtpd.msgproc02-g2.2415.1788247293880715310 for ; Tue, 01 Sep 2026 00:21:34 -0700 Authentication-Results: mx.groups.io; dkim=pass header.i=@mvista.com header.s=google header.b=MnS9slfc; spf=pass (domain: mvista.com, ip: 209.85.215.178, mailfrom: hprajapati@mvista.com) Received: by mail-pg1-f178.google.com with SMTP id 41be03b00d2f7-cc1d57602e8so4286424a12.3 for ; Tue, 01 Sep 2026 00:21:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mvista.com; s=google; t=1788247293; x=1788852093; darn=lists.openembedded.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to:content-type; bh=i90qf+t3oAvv8zYF2OsFvC+/dTBE3JoHaTwCrlXq5oU=; b=MnS9slfcslE+TY6p3cL8/xKCnmPyu/bAA9oor+YCRoprRbTPrC5NiRXloTtPj5nsFG hSAvwA3PP8QwOe7QlMVuAaeLMmWByHdDqIXgAfgRl1LAVm8e+alKARnFJ8iTTzflkovr PlF7/wOxcuxMI1aorZGwZknwdAUWtRjUgfVEw= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1788247293; x=1788852093; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=i90qf+t3oAvv8zYF2OsFvC+/dTBE3JoHaTwCrlXq5oU=; b=DfEb9vb39/nyOs934H0yiI3QJ/uGbOuLWGCbuv7Qxud5lKXr/sIKIz5h91vsNEDq16 Tiif7S6Q838aZl5fMrDzdlvrDb0aN4C/gRDfEtd/K9vnyPgaY4pVQ8OUYQwe3eYeaJDu RvYkfM0EfQLigRvWO1kkQUioD5rgHDRmClj16JURheXT3m4yBjrceVKgx0IQmu9TWUe5 fVj5ILURSDGAZPu9Dk90+NPKVcBFn+mPK/CoFPz6Aynhm0tvvIUotgFoN1ObHHWcsWTd NZXLCAdjWk2/2gXl6eqPw27voOeUnC0uHf/b6OCaIDLLWWA0RQnHDBhNd3DJn8y3Qc1c GvSA== X-Gm-Message-State: AFuF++lA4r+15SQi9AZtrnaEoHVaGA6+3YtXIgNZkJlFRPCWoz8MAYua 0pmOP6TJ+iCXaeSIBKZZiHN08lQibgE1xOb1VbwoP0YGDF2dgQLOqST2WeFwLF4dlq+55ualE8u qmBPOlz8= X-Gm-Gg: AYBFou10X+Cs9+MFDBX/wc2QAf/kgBIF4KqgmUofgSwCfhisbzuIElf4csykwq/fQDZ Ehgw7LPn7VsrY31DYAnJIb+5Fy5tDGnzMWXrYFdevwFlMXfzNx/uRq37oef5/j9G4YDyOqnBXW4 3Tn7H4CML6I5vnMAykI7J5AO/1XesFOSnKrTbCtbQ5mU9KNOyoTVZlJWwOSSHt+DelOEzVeXWHt XwZfI1JblEzNYwMh64mygCcjWx8xTO4RKQYuY3leSwYbyibbYGHI+M95Dao54ogoTf/9DXmcuKD bY7iMh92nEwxoU4L6Tx303/2fGX6MEGTRmxBmjG6RH/IEddDLiFOaVovUwbwIoAaLyMWZmWIDg5 ocREf6MGzBegzG0fkloQ4NJ2YdoFUqfD13JHYqnZlhZzPiLlnLmy9mFFSoq7F0ST+US/qp5+NIw Y61UeRUEd9WpjAAkPNJAQAxXLxX5iU/nVbe7kzvuIGsIg+fPCtRfTXM9MvANHBwrqnTe0ymg4ef tc= X-Received: by 2002:a17:90b:5804:b0:398:9bd5:490f with SMTP id 98e67ed59e1d1-3989bd54c38mr34046960a91.22.1788247292943; Tue, 01 Sep 2026 00:21:32 -0700 (PDT) Received: from MVIN00013.mvista.com ([103.250.136.191]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-142e0d2e465sm54200607c88.4.2026.09.01.00.21.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 01 Sep 2026 00:21:32 -0700 (PDT) From: Hitendra Prajapati To: openembedded-core@lists.openembedded.org Cc: Hitendra Prajapati Subject: [wrynose][PATCH 1/3] vim: Fix for CVE-2026-73072 Date: Tue, 1 Sep 2026 12:51:14 +0530 Message-ID: <20260901072116.30784-1-hprajapati@mvista.com> X-Mailer: git-send-email 2.50.1 MIME-Version: 1.0 List-Id: X-Webhook-Received: from 45-33-107-173.ip.linodeusercontent.com [45.33.107.173] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Tue, 01 Sep 2026 07:21:34 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/244799 Pick the patch from [1], also referenced in the NVD report [2]. [1] https://github.com/vim/vim/commit/05c41c922309c7a11b6ec2f124be66551c90d66a [2] https://nvd.nist.gov/vuln/detail/CVE-2026-73072 Signed-off-by: Hitendra Prajapati --- .../vim/files/CVE-2026-73072.patch | 64 +++++++++++++++++++ meta/recipes-support/vim/vim.inc | 1 + 2 files changed, 65 insertions(+) create mode 100644 meta/recipes-support/vim/files/CVE-2026-73072.patch diff --git a/meta/recipes-support/vim/files/CVE-2026-73072.patch b/meta/recipes-support/vim/files/CVE-2026-73072.patch new file mode 100644 index 0000000000..0ae3b2b49e --- /dev/null +++ b/meta/recipes-support/vim/files/CVE-2026-73072.patch @@ -0,0 +1,64 @@ +From 05c41c922309c7a11b6ec2f124be66551c90d66a Mon Sep 17 00:00:00 2001 +From: Yasuhiro Matsumoto +Date: Fri, 24 Jul 2026 00:58:37 +0900 +Subject: [PATCH] patch 9.2.0846: [security]: heap buffer overflow in + set_sofo() + +Problem: [security]: heap buffer overflow in set_sofo() + (Yazan Balawneh) +Solution: Reset sl_sal_first (Yasuhiro Matsumoto). + +A crafted spell file with an empty SN_SAL section before an SN_SOFO +section reaches set_sofo() with sl_sal_first[] already set to -1 by +set_sal_first(). The counting loop then under-counts colliding +multi-byte "from" characters, allocates an undersized list and writes +past its end. + +Github Security Advisory: +https://github.com/vim/vim/security/advisories/GHSA-9jqx-hgpr-6v64 + +Signed-off-by: Yasuhiro Matsumoto +Signed-off-by: Christian Brabandt + +CVE: CVE-2026-73072 +Upstream-Status: Backport [https://github.com/vim/vim/commit/05c41c922309c7a11b6ec2f124be66551c90d66a] +Signed-off-by: Hitendra Prajapati +--- + src/spellfile.c | 4 +++- + src/testdir/test_spellfile.vim | 5 +++++ + 2 files changed, 8 insertions(+), 1 deletion(-) + +diff --git a/src/spellfile.c b/src/spellfile.c +index b3ee9c0d63..a9f7e83752 100644 +--- a/src/spellfile.c ++++ b/src/spellfile.c +@@ -1433,7 +1433,9 @@ set_sofo(slang_T *lp, char_u *from, char_u *to) + gap->ga_len = 256; + + // First count the number of items for each list. Temporarily use +- // sl_sal_first[] for this. ++ // sl_sal_first[] for this. Reset it first: a preceding SN_SAL section ++ // may have set the entries to -1 via set_sal_first(). ++ vim_memset(lp->sl_sal_first, 0, sizeof(salfirst_T) * 256); + for (p = from, s = to; *p != NUL && *s != NUL; ) + { + c = mb_cptr2char_adv(&p); +diff --git a/src/testdir/test_spellfile.vim b/src/testdir/test_spellfile.vim +index 3a93883b4d..0b0cf42066 100644 +--- a/src/testdir/test_spellfile.vim ++++ b/src/testdir/test_spellfile.vim +@@ -319,6 +319,11 @@ func Test_spellfile_format_error() + " SN_SOFO: multi-byte characters in sofofrom and sofoto + call Spellfile_Test(0z0600000000080002CF810002CF82FF000000000000000000000000, '') + ++ " SN_SAL (empty) followed by SN_SOFO with two multi-byte 'from' characters ++ " sharing the same low byte. A preceding SN_SAL poisons sl_sal_first[], so ++ " without a reset set_sofo() under-counts and writes out of bounds. ++ call Spellfile_Test(0z05000000000300000006000000000A0004CAABCEAB00024142FF000000000000000000000000, '') ++ + " SN_COMPOUND: compmax is less than 2 + call Spellfile_Test(0z08000000000101, 'E759:') + +-- +2.34.1 + diff --git a/meta/recipes-support/vim/vim.inc b/meta/recipes-support/vim/vim.inc index 1da47d9243..34d4507906 100644 --- a/meta/recipes-support/vim/vim.inc +++ b/meta/recipes-support/vim/vim.inc @@ -39,6 +39,7 @@ SRC_URI = "git://github.com/vim/vim.git;branch=master;protocol=https;tag=v${PV} file://CVE-2026-59856.patch \ file://CVE-2026-59857.patch \ file://CVE-2026-59858.patch \ + file://CVE-2026-73072.patch \ " PV .= ".0340"