Vulnerability · Published Jul 22, 2022 · Assigned by mitre
CVE-2022-34520
Medium 5.5
In plain English
A medium-severity security flaw in the radare2 package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 22% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.3%top 78.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Radare2 v5.7.2 was discovered to contain a NULL pointer dereference via the function r_bin_file_xtr_load_buffer at bin/bfile.c. This vulnerability allows attackers to cause a Denial of Service (DOS) via a crafted binary file.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | radare2 | 5.7.2-r0 | ALPINE-CVE-2022-34520 |
| Alpine:v3.21 | radare2 | 5.7.2-r0 | ALPINE-CVE-2022-34520 |
| Alpine:v3.22 | radare2 | 5.7.2-r0 | ALPINE-CVE-2022-34520 |
| Alpine:v3.23 | radare2 | 5.7.2-r0 | ALPINE-CVE-2022-34520 |
| Alpine:v3.24 | radare2 | 5.7.2-r0 | ALPINE-CVE-2022-34520 |
| Ubuntu:25.10 | radare2 | no fix listed | UBUNTU-CVE-2022-34520 |
| Ubuntu:26.04:LTS | radare2 | no fix listed | UBUNTU-CVE-2022-34520 |
| Ubuntu:26.10 | radare2 | no fix listed | UBUNTU-CVE-2022-34520 |
Affected products (as reported)
References
- https://github.com/radareorg/radare2/issues/20354 x_refsource_MISC