CVE-2021-32613
In radare2 through 5.3.0 there is a double free vulnerability in the pyc parse via a crafted file...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
5.5
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.
- Record
CVE-2021-32613- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-416, CWE-415
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2021-32613- Weakness
- CWE-416
- Updated
- 2026-11-02
EUVDEUVD-2021-19451 No score
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.
- Record
EUVD-2021-19451- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mw5r-3vx4-h9cp
5.5
In radare2 through 5.3.0 there is a double free vulnerability in the pyc parse via a crafted file...
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.
- Record
GHSA-mw5r-3vx4-h9cp- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-415, CWE-416
- Updated
- 2026-11-02
OSVALPINE-CVE-2021-32613
5.5
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.
- Record
ALPINE-CVE-2021-32613- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
OSV
5.5
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.
- Record
CVE-2021-32613- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2021-32613
5.5
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.
- Record
UBUNTU-CVE-2021-32613- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVMGASA-2022-0440 No score
Updated radare2/rizin packages fix security vulnerability
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. (CVE-2021-32613)
A vulnerability was found in Radare2 in version 5.3.1. Improper input validation when reading a crafted LE binary can lead to resource exhaustion and DoS. (CVE-2021-3673)
A vulnerability was found in Radare2 in versions prior to 5.6.2, 5.6.0, 5.5.4 and 5.5.2. Mapping a huge section filled with zeros of an ELF64 binary for MIPS architecture can lead to uncontrolled resource consumption and DoS. (CVE-2021-4021)
radareorg radare2 version 5.5.2 is vulnerable to NULL Pointer Dereference via libr/bin/p/bin_symbols.c binary symbol parser. (CVE-2021-44974)
radareorg radare2 5.5.2 is vulnerable to Buffer Overflow via /libr/core/anal_objc.c mach-o parser. (CVE-2021-44975)
radare2 is vulnerable to Out-of-bounds Read. (CVE-2022-0173)
NULL Pointer Dereference in GitHub repository radareorg/radare2 prior to 5.6.0. (CVE-2022-0419)
Denial of Service in GitHub repository radareorg/radare2 prior to 5.6.4. (CVE-2022-0476)
Heap-based Buffer Overflow in GitHub repository radareorg/radare2 prior to 5.6.2. (CVE-2022-0518)
Buffer Access with Incorrect Length Value in GitHub repository radareorg/radare2 prior to 5.6.2. (CVE-2022-0519)
Use After Free in NPM radare2.js prior to 5.6.2. (CVE-2022-0520)
Access of Memory Location After End of Buffer in GitHub repository radareorg/radare2 prior to 5.6.2. (CVE-2022-0521)
Access of Memory Location Before Start of Buffer in NPM radare2.js prior to 5.6.2. (CVE-2022-0522)
Expired Pointer Dereference in GitHub repository radareorg/radare2 prior to 5.6.2. (CVE-2022-0523)
Use After Free in GitHub repository radareorg/radare2 prior to 5.6.2. (CVE-2022-0559)
Heap-based Buffer Overflow in GitHub repository radareorg/radare2 prior to 5.6.4. (CVE-2022-0676)
Denial of Service in GitHub repository radareorg/radare2 prior to 5.6.4. (CVE-2022-0695)
NULL Pointer Dereference in GitHub repository radareorg/radare2 prior to 5.6.4. (CVE-2022-0712)
Heap-based Buffer Overflow in GitHub repository radareorg/radare2 prior to 5.6.4. (CVE-2022-0713)
- Record
MGASA-2022-0440- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:11295-1 No score
radare2-5.3.1-2.2 on GA media
These are all security issues fixed in the radare2-5.3.1-2.2 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:11295-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
radare2Alpine:v3.18 |
before 5.3.1-r0 | 5.3.1-r0 |
radare2Alpine:v3.19 |
before 5.3.1-r0 | 5.3.1-r0 |
radare2Alpine:v3.20 |
before 5.3.1-r0 | 5.3.1-r0 |
radare2Alpine:v3.21 |
before 5.3.1-r0 | 5.3.1-r0 |
radare2Alpine:v3.22 |
before 5.3.1-r0 | 5.3.1-r0 |
radare2Alpine:v3.23 |
before 5.3.1-r0 | 5.3.1-r0 |
radare2Alpine:v3.24 |
before 5.3.1-r0 | 5.3.1-r0 |
radare2Mageia:8 From an advisory covering 19 CVEs |
before 5.6.4-1.mga8 | 5.6.4-1.mga8 |
radare2-cutterMageia:8 From an advisory covering 19 CVEs |
before 2.0.4-2.mga8 | 2.0.4-2.mga8 |
rizinMageia:8 From an advisory covering 19 CVEs |
before 0.3.1-1.mga8 | 0.3.1-1.mga8 |
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| Package | Affected | Fixed |
|---|---|---|
radare2Ubuntu:16.04:LTS |
All versions, plus listed versions 0.9.6-3.1ubuntu1 |
None known |
radare2Ubuntu:Pro:18.04:LTS |
All versions, plus listed versions 1.6.0+dfsg-12.0.0+dfsg-12.1.0+dfsg-12.3.0+dfsg-12.3.0+dfsg-22.3.0+dfsg-2ubuntu0.1~esm1 |
None known |
radare2Ubuntu:Pro:20.04:LTS |
All versions, plus listed versions 3.2.1+dfsg-5build14.0.0+dfsg-14.2.1+dfsg-14.2.1+dfsg-24.2.1+dfsg-2ubuntu0.1~esm1 |
None known |
radare2Ubuntu:Pro:24.04:LTS |
All versions, plus listed versions 5.5.0+dfsg-1ubuntu15.5.0+dfsg-1.1ubuntu25.5.0+dfsg-1.1ubuntu35.5.0+dfsg-1.1ubuntu3+esm1 |
None known |
radare2Ubuntu:25.10 |
All versions, plus listed versions 5.9.8+dfsg-25.9.8+dfsg-2ubuntu0.25.10.15.9.8+dfsg-2ubuntu0.25.10.2 |
None known |
radare2Ubuntu:26.10 |
All versions, plus listed versions 6.0.7+ds-16.1.6+ds-26.1.6+ds-36.1.8+ds-1 |
None known |
radare2Ubuntu:26.04:LTS |
All versions, plus listed versions 5.9.8+dfsg-26.0.4+dfsg-16.0.7+ds-1 |
None known |
radare2openSUSE:Tumbleweed From an advisory covering 3 CVEs |
before 5.3.1-2.2 | 5.3.1-2.2 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| affected, aliases, references | OSV | |
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-32613 is a medium vulnerability (CVSS 5.5) in Radare Radare2, published May 14, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.17%, the 67th percentile. Fixed in radare2 5.3.1-r0.
References
bugzilla.redhat.com/show_bug.cgi?id=1959939
github.com/radareorg/radare2/issues/18679
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W3LPB5VGCIA7WA55FSB3YZQFUGZKWD7O
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y3S7JB46PONPHXZHIMR2XDPLGJCN5ZIX
github.com/radareorg/radare2/issues/18667
github.com/radareorg/radare2/commit/a07dedb804a82bc01c07072861942dd80c6b6d62
Show 21 moreShow less
github.com/radareorg/radare2/issues/18666
github.com/radareorg/radare2/commit/5e16e2d1c9fe245e4c17005d779fde91ec0b9c05
nvd.nist.gov/vuln/detail/CVE-2021-32613
lists.fedoraproject.org/archives/list/[email protected]/message/W3LPB5VGCIA7WA55FSB3YZQFUGZKWD7O
lists.fedoraproject.org/archives/list/[email protected]/message/Y3S7JB46PONPHXZHIMR2XDPLGJCN5ZIX
github.com/advisories/GHSA-mw5r-3vx4-h9cp
security.alpinelinux.org/vuln/CVE-2021-32613
advisories.mageia.org/MGASA-2022-0440.html
bugs.mageia.org/show_bug.cgi?id=29163
lists.fedoraproject.org/archives/list/[email protected]/thread/V2UL4V4XKSFJVNNUMFV443UJXGDBYGS4
lists.fedoraproject.org/archives/list/[email protected]/thread/JIARALLVVY2362AYFSFULTZKIW6QO5R5
lists.fedoraproject.org/archives/list/[email protected]/thread/IQIRJ72UALGMSWH6MYPVJQQLXFGZ23RS
lists.fedoraproject.org/archives/list/[email protected]/thread/E6YBRQ3UCFWJVSOYIKPVUDASZ544TFND
openwall.com/lists/oss-security/2022/05/25/1
census-labs.com/news/2022/05/24/multiple-vulnerabilities-in-radare2
ubuntu.com/security/CVE-2021-32613
github.com/radareorg/radare2/commit/049de62730f4954ef9a642f2eeebbca30a8eccdc
cve.org/CVERecord?id=CVE-2021-32613
suse.com/security/cve/CVE-2017-10929
suse.com/security/cve/CVE-2021-32613
suse.com/security/cve/CVE-2021-3673