What’s Vulnerable › Vulnerabilities

CVE-2020-21490

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-08-22 · updated 2026-06-17
• Weakness: CWE-401

Description

An issue was discovered in GNU Binutils 2.34. It is a memory leak when process microblaze-dis.c. This one will consume memory on each insn disassembled.

Affected products

• GNU Binutils: before 2.34 — fixed in 2.34

How to fix

Upgrade to a fixed version: GNU Binutils 2.34. Check the vendor advisory for mitigations.

References

• https://security.netapp.com/advisory/ntap-20230929-0007/
• https://sourceware.org/bugzilla/show_bug.cgi?id=25249
• https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=378fd436405b3051df34ac995b2e03fe1f3d1907
• https://security.netapp.com/advisory/ntap-20230929-0007/
• https://sourceware.org/bugzilla/show_bug.cgi?id=25249
• https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=378fd436405b3051df34ac995b2e03fe1f3d1907

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