Bug 1937784 (CVE-2021-20284) - CVE-2021-20284 binutils: Heap-based buffer overflow in _bfd_elf_slurp_secondary_reloc_section in elf.c
Summary: CVE-2021-20284 binutils: Heap-based buffer overflow in _bfd_elf_slurp_seconda...
Keywords:
Status: NEW
Alias: CVE-2021-20284
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1943301 1949308
Blocks: 1937793 1937804
TreeView+ depends on / blocked
 
Reported: 2021-03-11 14:44 UTC by Pedro Sampaio
Modified: 2021-04-13 23:25 UTC (History)
23 users (show)

Fixed In Version:
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A flaw was found in GNU Binutils 2.35.1, where there is a heap-based buffer overflow in _bfd_elf_slurp_secondary_reloc_section in elf.c due to the number of symbols not calculated correctly. The highest threat from this vulnerability is to system availability.
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Environment:
Last Closed:


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Description Pedro Sampaio 2021-03-11 14:44:33 UTC
A flaw was found in GNU Binutils 2.35.1. There is a heap-based buffer overflow in _bfd_elf_slurp_secondary_reloc_section in elf.c because the number of symbols is not caculated correctly.

Upstream bug:

https://sourceware.org/bugzilla/show_bug.cgi?id=26931

Comment 3 Pedro Sampaio 2021-03-25 18:28:01 UTC
Created binutils tracking bugs for this issue:

Affects: fedora-all [bug 1943301]


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