CVE-2021-32286
An issue was discovered in hcxtools through 6.1.6. A global-buffer-overflow exists in the...
An issue was discovered in hcxtools through 6.1.6. A global-buffer-overflow exists in the function pcapngoptionwalk located in hcxpcapngtool.c. It allows an attacker to cause code Execution.
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
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
An issue was discovered in hcxtools through 6.1.6. A global-buffer-overflow exists in the function pcapngoptionwalk located in hcxpcapngtool.c. It allows an attacker to cause code Execution.
- Record
CVE-2021-32286- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE ListNo score
An issue was discovered in hcxtools through 6.1.6. A global-buffer-overflow exists in the function pcapngoptionwalk located in hcxpcapngtool.c. It allows an attacker to cause code Execution.
- Record
CVE-2021-32286- Updated
- 2026-11-02
EUVDEUVD-2021-19141No score
An issue was discovered in hcxtools through 6.1.6. A global-buffer-overflow exists in the function pcapngoptionwalk located in hcxpcapngtool.c. It allows an attacker to cause code Execution.
- Record
EUVD-2021-19141- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3p4h-535g-5qjfNo score
An issue was discovered in hcxtools through 6.1.6. A global-buffer-overflow exists in the...
An issue was discovered in hcxtools through 6.1.6. A global-buffer-overflow exists in the function pcapngoptionwalk located in hcxpcapngtool.c. It allows an attacker to cause code Execution.
- Record
GHSA-3p4h-535g-5qjf- Weakness
- CWE-787
- Updated
- 2026-11-02
OSV
An issue was discovered in hcxtools through 6.1.6. A global-buffer-overflow exists in the function pcapngoptionwalk located in hcxpcapngtool.c. It allows an attacker to cause code Execution.
- Record
CVE-2021-32286- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2021-32286
An issue was discovered in hcxtools through 6.1.6. A global-buffer-overflow exists in the function pcapngoptionwalk located in hcxpcapngtool.c. It allows an attacker to cause code Execution.
- Record
DEBIAN-CVE-2021-32286- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2021-32286
An issue was discovered in hcxtools through 6.1.6. A global-buffer-overflow exists in the function pcapngoptionwalk located in hcxpcapngtool.c. It allows an attacker to cause code Execution.
- Record
UBUNTU-CVE-2021-32286- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
hcxtoolsDebian:12 | before 6.2.4-1 | 6.2.4-1 |
hcxtoolsDebian:13 | before 6.2.4-1 | 6.2.4-1 |
hcxtoolsDebian:14 | before 6.2.4-1 | 6.2.4-1 |
hcxtoolsUbuntu:26.10 | All versions, plus listed versions 7.1.0-17.1.2-17.1.2-1build1 | None known |
hcxtoolsUbuntu:26.04:LTS | All versions, plus listed versions 6.3.5-16.3.5-1build17.1.0-1 | None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-32286 is a high vulnerability (CVSS 7.8) in Hcxtools Project Hcxtoold, published September 20, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.06%, the 65th percentile. Fixed in hcxtools 6.2.4-1.
References
github.com/ZerBea/hcxtools/issues/155
nvd.nist.gov/vuln/detail/CVE-2021-32286
security-tracker.debian.org/tracker/CVE-2021-32286
ubuntu.com/security/CVE-2021-32286
cve.org/CVERecord?id=CVE-2021-32286