CVE-2021-37232

A stack overflow vulnerability occurs in Atomicparsley 20210124.204813.840499f through...

9.8 CriticalFix available

A stack overflow vulnerability occurs in Atomicparsley 20210124.204813.840499f through APar_read64() in src/util.cpp due to the lack of buffer size of uint32_buffer while reading more bytes in APar_read64.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

2.15%Up 1.5 points since Aug 5, 2021

What each source reports

NVD Score used 9.8

Record: CVE-2021-37232
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness: CWE-787
Updated: 2026-11-02

CVE List No score

Record: CVE-2021-37232
Updated: 2026-11-02

EUVDEUVD-2021-23804 No score

Record: EUVD-2021-23804
Updated: 2026-11-03

GitHub AdvisoriesGHSA-9hr8-4f6w-73f6 9.8

A stack overflow vulnerability occurs in Atomicparsley 20210124.204813.840499f through...

Record: GHSA-9hr8-4f6w-73f6
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-787
Updated: 2026-11-02

OSV 9.8

Record: CVE-2021-37232
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2021-37232 9.8

Record: DEBIAN-CVE-2021-37232
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2021-37232 9.8

Record: UBUNTU-CVE-2021-37232
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

Affected products

atomicparsley project atomicparsley

Affected packages

Affected packages
Package	Affected	Fixed
`atomicparsley` Debian:12	before 20210715.151551.e7ad03a-1	20210715.151551.e7ad03a-1
`atomicparsley` Debian:13	before 20210715.151551.e7ad03a-1	20210715.151551.e7ad03a-1
`atomicparsley` Debian:14	before 20210715.151551.e7ad03a-1	20210715.151551.e7ad03a-1
`atomicparsley` Ubuntu:14.04:LTS	All versions, plus listed versions 0.9.2~svn110-4	None known
`atomicparsley` Ubuntu:16.04:LTS	All versions, plus listed versions 0.9.2~svn110-4	None known
`atomicparsley` Ubuntu:18.04:LTS	All versions, plus listed versions 0.9.6-1	None known
`atomicparsley` Ubuntu:20.04:LTS	All versions, plus listed versions 0.9.6-20.9.6-2build1	None known
`atomicparsley` Ubuntu:22.04:LTS	All versions, plus listed versions 0.9.6-2build120210715.151551.e7ad03a-1	None known
`atomicparsley` Ubuntu:24.04:LTS	All versions, plus listed versions 20210715.151551.e7ad03a-1	None known
`atomicparsley` Ubuntu:25.10	All versions, plus listed versions 20240608.083822.1ed9031-1	None known
`atomicparsley` Ubuntu:26.10	All versions, plus listed versions 20240608.083822.1ed9031-1build1	None known
`atomicparsley` Ubuntu:26.04:LTS	All versions, plus listed versions 20240608.083822.1ed9031-120240608.083822.1ed9031-1build1	None known

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-37232 is a critical vulnerability (CVSS 9.8) in Atomicparsley Project Atomicparsley, published August 4, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.15%, the 82nd percentile. Fixed in atomicparsley 20210715.151551.e7ad03a-1.