Vulnerability · Published Feb 8, 2022 · Assigned by @huntrdev
CVE-2022-0521Access of Memory Location After End of Buffer in radareorg/radare2
Medium 6.3
In plain English
A medium-severity security flaw in radareorg/radare2 from radareorg. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 62% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.0)6.3Medium
Exploit odds (30 days)1.0%top 38.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Access of Memory Location After End of Buffer in GitHub repository radareorg/radare2 prior to 5.6.2.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | radare2 | 5.6.2-r0 | ALPINE-CVE-2022-0521 |
| Alpine:v3.21 | radare2 | 5.6.2-r0 | ALPINE-CVE-2022-0521 |
| Alpine:v3.22 | radare2 | 5.6.2-r0 | ALPINE-CVE-2022-0521 |
| Alpine:v3.23 | radare2 | 5.6.2-r0 | ALPINE-CVE-2022-0521 |
| Alpine:v3.24 | radare2 | 5.6.2-r0 | ALPINE-CVE-2022-0521 |
| Ubuntu:25.10 | radare2 | no fix listed | UBUNTU-CVE-2022-0521 |
| Ubuntu:26.04:LTS | radare2 | no fix listed | UBUNTU-CVE-2022-0521 |
| Ubuntu:26.10 | radare2 | no fix listed | UBUNTU-CVE-2022-0521 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| radareorg | radareorg/radare2 | unspecified – before 5.6.2 |
Weakness: CWE-788 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
References
- https://github.com/radareorg/radare2/commit/6c4428f018d385fc80a33ecddcb37becea685dd5 x_refsource_MISC
- https://huntr.dev/bounties/4d436311-bbf1-45a3-8774-bdb666d7f7ca x_refsource_CONFIRM
- FEDORA-2022-7db9e7bb5b vendor-advisory, x_refsource_FEDORA
- FEDORA-2022-85b277e748 vendor-advisory, x_refsource_FEDORA