Vulnerability · Published May 10, 2022 · Assigned by @huntrdev
CVE-2022-1649Null pointer dereference in libr/bin/format/mach0/mach0.c in radareorg/radare2 in radareorg/radare2
High 7.6
In plain English
A high-severity null pointer dereference 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 0.7% (higher than 54% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.0)7.6High
Exploit odds (30 days)0.7%top 46.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Null pointer dereference in libr/bin/format/mach0/mach0.c in radareorg/radare2 in GitHub repository radareorg/radare2 prior to 5.7.0. It is likely to be exploitable. For more general description of heap buffer overflow, see [CWE](https://cwe.mitre.org/data/definitions/476.html).
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | radare2 | 5.7.0-r0 | ALPINE-CVE-2022-1649 |
| Alpine:v3.21 | radare2 | 5.7.0-r0 | ALPINE-CVE-2022-1649 |
| Alpine:v3.22 | radare2 | 5.7.0-r0 | ALPINE-CVE-2022-1649 |
| Alpine:v3.23 | radare2 | 5.7.0-r0 | ALPINE-CVE-2022-1649 |
| Alpine:v3.24 | radare2 | 5.7.0-r0 | ALPINE-CVE-2022-1649 |
| Ubuntu:25.10 | radare2 | no fix listed | UBUNTU-CVE-2022-1649 |
| Ubuntu:26.04:LTS | radare2 | no fix listed | UBUNTU-CVE-2022-1649 |
| Ubuntu:26.10 | radare2 | no fix listed | UBUNTU-CVE-2022-1649 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| radareorg | radareorg/radare2 | unspecified – before 5.7.0 |
Weakness: CWE-476 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
References
- https://huntr.dev/bounties/c07e4918-cf86-4d2e-8969-5fb63575b449 x_refsource_CONFIRM
- https://github.com/radareorg/radare2/commit/a5aafb99c3965259c84ddcf45a91144bf7eb4cf1 x_refsource_MISC