UBUNTU-CVE-2021-20284

Source
https://ubuntu.com/security/CVE-2021-20284
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-20284.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-20284
Upstream
Withdrawn
2025-07-18T16:46:36Z
Published
2021-03-26T17:15:00Z
Modified
2025-07-16T07:19:41.104732Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

A flaw was found in GNU Binutils 2.35.1, where there is a heap-based buffer overflow in bfdelfslurpsecondaryrelocsection in elf.c due to the number of symbols not calculated correctly. The highest threat from this vulnerability is to system availability.

References

Affected packages

Ubuntu:22.04:LTS / binutils

Package

Name
binutils
Purl
pkg:deb/ubuntu/binutils@2.38-2ubuntu1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.38-2ubuntu1

Affected versions

2.*

2.37-7ubuntu1
2.37-9ubuntu1
2.37-10ubuntu1
2.37.50.20220106-2ubuntu1
2.37.90.20220126-0ubuntu1
2.37.90.20220130-0ubuntu2
2.38-1ubuntu1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "binutils",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-aarch64-linux-gnu",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-aarch64-linux-gnu-dbg",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-alpha-linux-gnu",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-alpha-linux-gnu-dbg",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-arm-linux-gnueabi",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-arm-linux-gnueabi-dbg",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-arm-linux-gnueabihf",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-arm-linux-gnueabihf-dbg",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-common",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-dev",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-doc",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-for-build",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-for-host",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-hppa-linux-gnu",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-hppa-linux-gnu-dbg",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-hppa64-linux-gnu",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-hppa64-linux-gnu-dbg",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-i686-gnu",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-i686-gnu-dbg",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-i686-kfreebsd-gnu",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-i686-kfreebsd-gnu-dbg",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-i686-linux-gnu",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-i686-linux-gnu-dbg",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-ia64-linux-gnu",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-ia64-linux-gnu-dbg",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-m68k-linux-gnu",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-m68k-linux-gnu-dbg",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-multiarch",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-multiarch-dbg",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-multiarch-dev",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-powerpc-linux-gnu",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-powerpc-linux-gnu-dbg",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-powerpc64-linux-gnu",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-powerpc64-linux-gnu-dbg",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-powerpc64le-linux-gnu",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-powerpc64le-linux-gnu-dbg",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-riscv64-linux-gnu",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-riscv64-linux-gnu-dbg",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-s390x-linux-gnu",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-s390x-linux-gnu-dbg",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-sh4-linux-gnu",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-sh4-linux-gnu-dbg",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-source",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-sparc64-linux-gnu",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-sparc64-linux-gnu-dbg",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-x86-64-kfreebsd-gnu",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-x86-64-kfreebsd-gnu-dbg",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-x86-64-linux-gnu",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-x86-64-linux-gnu-dbg",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-x86-64-linux-gnux32",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "binutils-x86-64-linux-gnux32-dbg",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "libbinutils",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "libbinutils-dbg",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "libctf-nobfd0",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "libctf-nobfd0-dbg",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "libctf0",
            "binary_version": "2.38-2ubuntu1"
        },
        {
            "binary_name": "libctf0-dbg",
            "binary_version": "2.38-2ubuntu1"
        }
    ]
}