CVE-2021-45078

Publication date 15 December 2021

Last updated 18 August 2025

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

7.8 · High

Score breakdown

Description

stab_xcoff_builtin_type in stabs.c in GNU Binutils through 2.37 allows attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact, as demonstrated by an out-of-bounds write. NOTE: this issue exists because of an incorrect fix for CVE-2018-12699.

Read the notes from the security team

Status

Package Ubuntu Release Status
binutils 25.10 questing
Not affected
25.04 plucky
Not affected
24.10 oracular
Not affected
24.04 LTS noble
Not affected
23.10 mantic
Not affected
23.04 lunar
Not affected
22.10 kinetic
Not affected
22.04 LTS jammy
Not affected
21.10 impish Ignored end of life
21.04 hirsute Ignored end of life
20.04 LTS focal
Fixed 2.34-6ubuntu1.6
18.04 LTS bionic
Vulnerable
16.04 LTS xenial
Fixed 2.26.1-1ubuntu1~16.04.8+esm3
14.04 LTS trusty
Vulnerable

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Notes

seth-arnold

binutils isn’t safe for untrusted inputs.

mdeslaur

reproducer doesn’t crash objdump without ASAN on bionic and focal

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
binutils

Severity score breakdown

Parameter Value
Base score 7.8 · High
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-5341-1
    • GNU binutils vulnerabilities
    • 22 March 2022
    • USN-6160-1
    • GNU binutils vulnerability
    • 13 June 2023

Other references