VulnerabilityModified
CVE-2021-32494
Radare2 has a division by zero vulnerability in Mach-O parser's rebase_buffer function.
HIGH 7.5EPSS 0.84%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.84%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Radare2 has a division by zero vulnerability in Mach-O parser's rebase_buffer function. This allow attackers to create malicious inputs that can cause denial of service.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.84% probability · 56th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-369
- Affected
- radare/radare2
- Source
- patrick@puiterwijk.org
References
- https://github.com/radareorg/radare2/commit/a07dedb804a82bc01c07072861942dd80c6b6d62Patch, Vendor Advisory
- https://github.com/radareorg/radare2/issues/18667Exploit, Issue Tracking, Patch, Vendor Advisory
- https://github.com/radareorg/radare2/commit/a07dedb804a82bc01c07072861942dd80c6b6d62Patch, Vendor Advisory
- https://github.com/radareorg/radare2/issues/18667Exploit, Issue Tracking, Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.