Vulnerability · Published May 14, 2021 · Assigned by fedora
CVE-2021-32613
Medium 5.5
In plain English
A medium-severity use-after-free in radare2. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 67% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)1.2%top 32.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
In radare2 through 5.3.0 there is a double free vulnerability in the pyc parse via a crafted file which can lead to DoS.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | radare2 | 5.3.1-r0 | ALPINE-CVE-2021-32613 |
| Alpine:v3.21 | radare2 | 5.3.1-r0 | ALPINE-CVE-2021-32613 |
| Alpine:v3.22 | radare2 | 5.3.1-r0 | ALPINE-CVE-2021-32613 |
| Alpine:v3.23 | radare2 | 5.3.1-r0 | ALPINE-CVE-2021-32613 |
| Alpine:v3.24 | radare2 | 5.3.1-r0 | ALPINE-CVE-2021-32613 |
| Ubuntu:25.10 | radare2 | no fix listed | UBUNTU-CVE-2021-32613 |
| Ubuntu:26.04:LTS | radare2 | no fix listed | UBUNTU-CVE-2021-32613 |
| Ubuntu:26.10 | radare2 | no fix listed | UBUNTU-CVE-2021-32613 |
Affected products (as reported)
Weakness: CWE-416
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1959939 x_refsource_MISC
- https://github.com/radareorg/radare2/issues/18679 x_refsource_MISC
- FEDORA-2021-ca59eb65a9 vendor-advisory, x_refsource_FEDORA
- FEDORA-2021-834f900f53 vendor-advisory, x_refsource_FEDORA
- https://github.com/radareorg/radare2/issues/18667 x_refsource_MISC
- https://github.com/radareorg/radare2/commit/a07dedb804a82bc01c07072861942dd80c6b6d62 x_refsource_MISC
- https://github.com/radareorg/radare2/issues/18666 x_refsource_MISC
- https://github.com/radareorg/radare2/commit/5e16e2d1c9fe245e4c17005d779fde91ec0b9c05 x_refsource_MISC