🛡️ CVE-2022-0559 — fedora

🔴 CVSS 9.8 — Critical ⚠️ Exploit Public CWE-416 NVD

9.8

CVSS Score

0 Low4 Medium7 High9 Critical10

Description

Use After Free in GitHub repository radareorg/radare2 prior to 5.6.2.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2022-0559 is classified as CWE-416: Use After Free. Memory is used after being released, so its contents may already belong to something else.

Affected software

CVE-2022-0559 is recorded against 2 packages.

fedora
radare2 (fixed in 5.6.2)

Timeline and source

Published on 16 February 2022 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. A vendor advisory or fix has been published. Record sourced from NVD.

References

github.com
huntr.dev
lists.fedoraproject.org
lists.fedoraproject.org
github.com
huntr.dev
lists.fedoraproject.org
lists.fedoraproject.org

CVE-2022-0559 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Ubuntu

Details

Severity CRITICAL

CVSS Score 9.8

CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE CWE-416

Public Exploit ⚠️ Yes

Source NVD

Published 2022-02-16

Updated 2026-08-11

Modified 2026-06-17

Fix URL https://github.com/radareorg/radare2/commit/b5cb90b28ec71fda3504da04e3cc94a362807f5e

Affected Packages

Software	From version	Fixed in
fedora	—	—
radare2	—	5.6.2

References

Patch, Third Party Advisory https://github.com/radareorg/radare2/commit/b5cb90b28ec71fda3504da04e3cc94a362807f5e

Exploit, Patch, Third Party Advisory https://huntr.dev/bounties/aa80adb7-e900-44a5-ad05-91f3ccdfc81e

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BZTIMAS53YT66FUS4QHQAFRJOBMUFG6D/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E6YBRQ3UCFWJVSOYIKPVUDASZ544TFND/

Patch, Third Party Advisory https://github.com/radareorg/radare2/commit/b5cb90b28ec71fda3504da04e3cc94a362807f5e

Exploit, Patch, Third Party Advisory https://huntr.dev/bounties/aa80adb7-e900-44a5-ad05-91f3ccdfc81e

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BZTIMAS53YT66FUS4QHQAFRJOBMUFG6D/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E6YBRQ3UCFWJVSOYIKPVUDASZ544TFND/

🔗 NVD 🔗 Mitre ✅ Fix / Advisory

Similar Threats

Exploit Protection

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