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mingw-binutils/SOURCES/CVE-2023-1972.patch

23 lines
883 B

diff -rupN --no-dereference binutils-2.40/bfd/elf.c binutils-2.40-new/bfd/elf.c
--- binutils-2.40/bfd/elf.c 2023-04-14 16:12:16.185323541 +0200
+++ binutils-2.40-new/bfd/elf.c 2023-04-14 16:12:27.583371759 +0200
@@ -9048,6 +9048,9 @@ _bfd_elf_slurp_version_tables (bfd *abfd
bfd_set_error (bfd_error_file_too_big);
goto error_return_verdef;
}
+
+ if (amt == 0)
+ goto error_return_verdef;
elf_tdata (abfd)->verdef = (Elf_Internal_Verdef *) bfd_zalloc (abfd, amt);
if (elf_tdata (abfd)->verdef == NULL)
goto error_return_verdef;
@@ -9151,6 +9154,8 @@ _bfd_elf_slurp_version_tables (bfd *abfd
bfd_set_error (bfd_error_file_too_big);
goto error_return;
}
+ if (amt == 0)
+ goto error_return;
elf_tdata (abfd)->verdef = (Elf_Internal_Verdef *) bfd_zalloc (abfd, amt);
if (elf_tdata (abfd)->verdef == NULL)
goto error_return;