CVE-2022-21711: elfspirit is an ELF static analysis and injection framework that parses, manipulates, and camouflages ELF file

Q: How do I fix CVE-2022-21711?

elfspirit: upgrade to 1.1.0. Exact commands for each OS are on this page.

Q: Is CVE-2022-21711 being exploited?

CVE-2022-21711 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-21711 affect?

CVE-2022-21711 affects elfspirit. Severity is high (CVSS 7.1). elfspirit is an ELF static analysis and injection framework that parses, manipulates, and camouflages ELF files. When analyzing the ELF file format in versions prior to 1.1, there is an out-of-bounds read bug, which can lead to application

Q: How urgent is CVE-2022-21711?

Priority 45/100. High severity; Public exploit reference

This month

HIGH 7.1UPGRADE

CVE-2022-21711 is a high-severity flaw (CVSS 7.1) affecting elfspirit. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

elfspirit is an ELF static analysis and injection framework that parses, manipulates, and camouflages ELF files. When analyzing the ELF file format in versions prior to 1.1, there is an out-of-bounds read bug, which can lead to application crashes or information leakage. By constructing a special format ELF file, the information of any address can be leaked. elfspirit version 1.1 contains a patch for this issue.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.1 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.9% (top 41%)
CISA exploited list	No
Weakness	CWE-125
Published	2022-01-24
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: elfspirit project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-01-24 20:15 UTCPublished CVE record published
2026-06-17 04:26 UTCUpdated Record last modified

elfspirit project elfspirit UPGRADE

Affected: < 1.1.0

Fixed in: 1.1.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy elfspirit || rpm -q elfspirit || elfspirit --version

2. UPGRADE to 1.1.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade elfspirit

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade elfspirit

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-21711?

elfspirit: upgrade to 1.1.0. Exact commands for each OS are on this page.

Is CVE-2022-21711 being exploited?

CVE-2022-21711 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-21711 affect?

CVE-2022-21711 affects elfspirit. Severity is high (CVSS 7.1). elfspirit is an ELF static analysis and injection framework that parses, manipulates, and camouflages ELF files. When analyzing the ELF file format in versions prior to 1.1, there is an out-of-bounds read bug, which can lead to application

How urgent is CVE-2022-21711?

Priority 45/100. High severity; Public exploit reference

References

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