CVE-2022-0849

Use After Free in r_reg_get_name_idx in radareorg/radare2

7.3 HighFix available

Use After Free in r_reg_get_name_idx in GitHub repository radareorg/radare2 prior to 5.6.6.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: High
Availability: High

Exploit likelihood

0.66%Down 0.2 points since Mar 6, 2022

What each source reports

CVE List Score used 7.3

Use After Free in r_reg_get_name_idx in radareorg/radare2

Use After Free in r_reg_get_name_idx in GitHub repository radareorg/radare2 prior to 5.6.6.

Record: CVE-2022-0849
CVSS 3.0: 7.3 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:H
Weakness: CWE-416
Updated: 2026-11-02

EUVDEUVD-2022-15892 7.3

Use After Free in r_reg_get_name_idx in GitHub repository radareorg/radare2 prior to 5.6.6.

Record: EUVD-2022-15892
CVSS 3.0: 7.3 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:H
Updated: 2026-11-03

GitHub AdvisoriesGHSA-9r7p-3jj4-29v6 5.5

Use After Free in r_reg_get_name_idx in GitHub repository radareorg/radare2 prior to 5.6.6.

Use After Free in r_reg_get_name_idx in GitHub repository radareorg/radare2 prior to 5.6.6.

Record: GHSA-9r7p-3jj4-29v6
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness: CWE-416
Updated: 2026-11-02

NVD 5.5

Use After Free in r_reg_get_name_idx in GitHub repository radareorg/radare2 prior to 5.6.6.

Record: CVE-2022-0849
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 3.0: 7.3 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:H
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness: CWE-416
Updated: 2026-11-02

OSVALPINE-CVE-2022-0849 5.5

Use After Free in r_reg_get_name_idx in GitHub repository radareorg/radare2 prior to 5.6.6.

Record: ALPINE-CVE-2022-0849
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-03

OSV 7.3

Use After Free in r_reg_get_name_idx in radareorg/radare2

Use After Free in r_reg_get_name_idx in GitHub repository radareorg/radare2 prior to 5.6.6.

Record: CVE-2022-0849
CVSS 3.0: 7.3 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:H
Weakness: CWE-416
Updated: 2026-11-02

OSVUBUNTU-CVE-2022-0849 5.5

Use After Free in r_reg_get_name_idx in GitHub repository radareorg/radare2 prior to 5.6.6.

Record: UBUNTU-CVE-2022-0849
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 3.0: 7.3 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:H
Updated: 2026-11-02

OSVopenSUSE-SU-2024:12173-1 No score

radare2-5.7.0-1.1 on GA media

These are all security issues fixed in the radare2-5.7.0-1.1 package on the GA media of openSUSE Tumbleweed.

Record: openSUSE-SU-2024:12173-1
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`radare2` Alpine:v3.18	before 5.6.6-r0	5.6.6-r0
`radare2` Alpine:v3.19	before 5.6.6-r0	5.6.6-r0
`radare2` Alpine:v3.20	before 5.6.6-r0	5.6.6-r0
`radare2` Alpine:v3.21	before 5.6.6-r0	5.6.6-r0
`radare2` Alpine:v3.22	before 5.6.6-r0	5.6.6-r0
`radare2` Alpine:v3.23	before 5.6.6-r0	5.6.6-r0
`radare2` Alpine:v3.24	before 5.6.6-r0	5.6.6-r0
`radare2` Ubuntu:Pro:18.04:LTS	All versions, plus listed versions 1.6.0+dfsg-12.0.0+dfsg-12.1.0+dfsg-12.3.0+dfsg-12.3.0+dfsg-22.3.0+dfsg-2ubuntu0.1~esm1	None known
`radare2` Ubuntu:Pro:20.04:LTS	All versions, plus listed versions 3.2.1+dfsg-5build14.0.0+dfsg-14.2.1+dfsg-14.2.1+dfsg-24.2.1+dfsg-2ubuntu0.1~esm1	None known
`radare2` Ubuntu:Pro:24.04:LTS	All versions, plus listed versions 5.5.0+dfsg-1ubuntu15.5.0+dfsg-1.1ubuntu25.5.0+dfsg-1.1ubuntu35.5.0+dfsg-1.1ubuntu3+esm1	None known

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Affected packages
Package	Affected	Fixed
`radare2` Ubuntu:25.10	All versions, plus listed versions 5.9.8+dfsg-25.9.8+dfsg-2ubuntu0.25.10.15.9.8+dfsg-2ubuntu0.25.10.2	None known
`radare2` Ubuntu:26.10	All versions, plus listed versions 6.0.7+ds-16.1.6+ds-26.1.6+ds-36.1.8+ds-1	None known
`radare2` Ubuntu:26.04:LTS	All versions, plus listed versions 5.9.8+dfsg-26.0.4+dfsg-16.0.7+ds-1	None known
`radare2` openSUSE:Tumbleweed From an advisory covering 38 CVEs	before 5.7.0-1.1	5.7.0-1.1

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	affected, aliases, references	OSV
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2022-0849 is a high vulnerability (CVSS 7.3) in Radare Radare2, published March 5, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.66%, the 51st percentile. Fixed in radare2 5.6.6-r0.

References

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