Hello Shubham

>From what I can see, both master and wrynose are affected by this CVE
but I could not find any patch for these releases

please submit patches for those releases as well and then repost this
one

thanks a lot
Jeremy

On Mon Jun 1, 2026 at 4:49 PM CEST, Shubham Pushpkar via lists.openembedded.org 
wrote:
> This patch applies the upstream fix as referenced in [2], using the commit 
> shown in [1].
>
> [1] 
> https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=7a089e0302382f4d4e077941156e1eaa68d01393
> [2] https://security-tracker.debian.org/tracker/CVE-2026-6846
>
> Signed-off-by: Shubham Pushpkar <[email protected]>
> ---
>  .../binutils/binutils-2.42.inc                |  1 +
>  .../binutils/binutils/CVE-2026-6846.patch     | 57 +++++++++++++++++++
>  2 files changed, 58 insertions(+)
>  create mode 100644 
> meta/recipes-devtools/binutils/binutils/CVE-2026-6846.patch
>
> diff --git a/meta/recipes-devtools/binutils/binutils-2.42.inc 
> b/meta/recipes-devtools/binutils/binutils-2.42.inc
> index 1a865c45f4..4e5125f532 100644
> --- a/meta/recipes-devtools/binutils/binutils-2.42.inc
> +++ b/meta/recipes-devtools/binutils/binutils-2.42.inc
> @@ -74,5 +74,6 @@ SRC_URI = "\
>       file://0030-CVE-2025-11840.patch \
>       file://CVE-2025-69647.patch \
>       file://CVE-2025-69648.patch \
> +     file://CVE-2026-6846.patch \
>  "
>  S  = "${WORKDIR}/git"
> diff --git a/meta/recipes-devtools/binutils/binutils/CVE-2026-6846.patch 
> b/meta/recipes-devtools/binutils/binutils/CVE-2026-6846.patch
> new file mode 100644
> index 0000000000..8eaca87583
> --- /dev/null
> +++ b/meta/recipes-devtools/binutils/binutils/CVE-2026-6846.patch
> @@ -0,0 +1,57 @@
> +From 2a340616f7e6591f83e85777d1d1f6108c33f5b8 Mon Sep 17 00:00:00 2001
> +From: Alan Modra <[email protected]>
> +Date: Mon, 6 Apr 2026 22:58:22 +0930
> +Subject: [PATCH] PR 34049 buffer overflow in xcoff_link_add_symbols
> +
> +The fact that coffcode.h:coff_set_alignment_hook for rs6000 removes
> +sections can result in target_index > section_count.  Thus any array
> +indexed by target_index must not be sized by section_count.
> +
> +     PR ld/34049
> +     * xcofflink.c (xcoff_link_add_symbols): Size reloc_info array
> +     using max target_index.
> +
> +CVE: CVE-2026-6846
> +Upstream-Status: Backport 
> [https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff;h=7a089e0302382f4d4e077941156e1eaa68d01393]
> +
> +(cherry picked from commit 7a089e0302382f4d4e077941156e1eaa68d01393)
> +Signed-off-by: Shubham Pushpkar <[email protected]>
> +---
> + bfd/xcofflink.c | 15 ++++++++++++++-
> + 1 file changed, 14 insertions(+), 1 deletion(-)
> +
> +diff --git a/bfd/xcofflink.c b/bfd/xcofflink.c
> +index 6ef9abcd8..196967ed0 100644
> +--- a/bfd/xcofflink.c
> ++++ b/bfd/xcofflink.c
> +@@ -1300,6 +1300,7 @@ xcoff_link_add_symbols (bfd *abfd, struct 
> bfd_link_info *info)
> +   } *reloc_info = NULL;
> +   bfd_size_type amt;
> +   unsigned short visibility;
> ++  unsigned int max_target_index;
> +
> +   keep_syms = obj_coff_keep_syms (abfd);
> +
> +@@ -1363,7 +1364,19 @@ xcoff_link_add_symbols (bfd *abfd, struct 
> bfd_link_info *info)
> +      order by VMA within a given section, so we handle this by
> +      scanning along the relocs as we process the csects.  We index
> +      into reloc_info using the section target_index.  */
> +-  amt = abfd->section_count + 1;
> ++  max_target_index = 0;
> ++  for (o = abfd->section_last; o != NULL; o = o->prev)
> ++    if (o->target_index != 0)
> ++      {
> ++    /* The last section added from the object file will have the
> ++       highest target_index.  See coffgen.c coff_real_object_p and
> ++       make_a_section_from_file.  Sections added by
> ++       xcoff_link_create_extra_sections will have a zero
> ++       target_index.  */
> ++    max_target_index = o->target_index;
> ++    break;
> ++      }
> ++  amt = max_target_index + 1;
> +   amt *= sizeof (struct reloc_info_struct);
> +   reloc_info = bfd_zmalloc (amt);
> +   if (reloc_info == NULL)
> +--
> +2.35.6

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