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CVE-2020-16592

Status Candidate

Overview

A use after free issue exists in the Binary File Descriptor (BFD) library (aka libbfd) in GNU Binutils 2.34 in bfd_hash_lookup, as demonstrated in nm-new, that can cause a denial of service via a crafted file.

Related Files

Ubuntu Security Notice USN-5124-1
Posted Oct 26, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5124-1 - It was discovered that GNU binutils incorrectly handled certain hash lookups. An attacker could use this issue to cause GNU binutils to crash, resulting in a denial of service, or possibly execute arbitrary code. It was discovered that GNU binutils incorrectly handled certain corrupt DWARF debug sections. An attacker could possibly use this issue to cause GNU binutils to consume memory, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2020-16592, CVE-2021-3487
SHA-256 | df287a7526a8c70c62b65f6a2e768315dbf839f82c15f2528f55fef66be08ce9
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