[USN-5124-1] GNU binutils vulnerabilities

========================================================================== Ubuntu Security Notice USN-5124-1 October 25, 2021
binutils vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 20.04 LTS – Ubuntu 18.04 LTS
Summary:
Several security issues were fixed in GNU binutils.
Software Description: – binutils: GNU assembler, linker and binary utilities
Details:
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. (CVE-2020-16592)
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. (CVE-2021-3487)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 20.04 LTS: binutils 2.34-6ubuntu1.3 binutils-multiarch 2.34-6ubuntu1.3
Ubuntu 18.04 LTS: binutils 2.30-21ubuntu1~18.04.7 binutils-multiarch 2.30-21ubuntu1~18.04.7
In general, a standard system update will make all the necessary changes.
References: ubuntu.com/security/notices/USN-5124-1 CVE-2020-16592, CVE-2021-3487
Package Information: launchpad.net/ubuntu/+source/binutils/2.34-6ubuntu1.3 launchpad.net/ubuntu/+source/binutils/2.30-21ubuntu1~18.04.7