CVE-2022-34970
Crow before v1.0+4 was discovered to contain a buffer overflow via the function qs_parse at...
Crow before 1.0+4 has a heap-based buffer overflow via the function qs_parse in query_string.h. On successful exploitation this vulnerability allows attackers to remotely execute arbitrary code in the context of the vulnerable service.
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
What each source reports
NVD Score used
Crow before 1.0+4 has a heap-based buffer overflow via the function qs_parse in query_string.h. On successful exploitation this vulnerability allows attackers to remotely execute arbitrary code in the context of the vulnerable service.
- Record
CVE-2022-34970- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-193
- Updated
- 2026-11-02
CVE List No score
Crow before 1.0+4 has a heap-based buffer overflow via the function qs_parse in query_string.h. On successful exploitation this vulnerability allows attackers to remotely execute arbitrary code in the context of the vulnerable service.
- Record
CVE-2022-34970- Updated
- 2026-11-02
EUVDEUVD-2022-37872 No score
Crow before 1.0+4 has a heap-based buffer overflow via the function qs_parse in query_string.h. On successful exploitation this vulnerability allows attackers to remotely execute arbitrary code in the context of the vulnerable service.
- Record
EUVD-2022-37872- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-h8v6-grj2-pfx5
Crow before v1.0+4 was discovered to contain a buffer overflow via the function qs_parse at...
Crow before v1.0+4 was discovered to contain a buffer overflow via the function qs_parse at query_string.h. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
- Record
GHSA-h8v6-grj2-pfx5- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-193
- Updated
- 2026-11-02
OSV No score
Crow before 1.0+4 has a heap-based buffer overflow via the function qs_parse in query_string.h. On successful exploitation this vulnerability allows attackers to remotely execute arbitrary code in the context of the vulnerable service.
- Record
CVE-2022-34970- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | 0xhebi/CVE-2022-34970 | 2022-07-29 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-34970 is a critical vulnerability (CVSS 9.8) in Crowcpp Crow, published August 4, 2022. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 3.96%, the 90th percentile. No source names a fixed version.
References
github.com/CrowCpp/Crow/pull/486
cwe.mitre.org/data/definitions/193.html
nvd.nist.gov/vuln/detail/CVE-2022-34970