PT-2019-6403 · Gnu+2 · Gnu Binutils+2

Skyvast · Published 2019-12-04 · Updated 2023-09-29 · CVE-2020-21490

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions GNU Binutils version 2.34

Description The issue is related to a memory leak in the microblaze-dis.c component. This leak occurs when processing each instruction disassembled, leading to memory consumption. The exploitation of this issue can cause a denial of service.

Recommendations For GNU Binutils version 2.34, consider restricting the use of the microblaze-dis.c component until a patch is available to prevent memory leaks and potential denial of service.

Exploit

Fix

Memory Leak

Weakness Enumeration

CWE-401

Related Identifiers

BDU:2023-07817

CVE-2020-21490

USN-6381-1

Affected Products

Astra Linux

Gnu Binutils

Ubuntu

References · 50

• 🔥 https://sourceware.org/bugzilla/show_bug.cgi?id=25249 · Exploit
• https://ubuntu.com/security/CVE-2020-19724 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-21490 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-19724 · Security Note
• https://bdu.fstec.ru/vul/2023-07814 · Security Note
• https://wiki.astralinux.ru/astra-linux-se16-bulletin-20241017SE16 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2020-21490 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-45703 · Security Note
• https://wiki.astralinux.ru/astra-linux-se47-bulletin-2024-1031SE47 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-07817 · Security Note
• https://bdu.fstec.ru/vul/2023-05852 · Security Note
• https://bdu.fstec.ru/vul/2023-05798 · Security Note
• https://bdu.fstec.ru/vul/2025-03966 · Security Note
• https://wiki.astralinux.ru/astra-linux-se17-bulletin-2024-0830SE17 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-6381-1 · Vendor Advisory