TI-2017-14501 Aliases CVE-2017-1000172 GHSA-9h29-g2j9-rh36

Creolabs Gravity Version: 1.0 Use-After-Free Possible code execution.

MEDIUM 47CWE-416Published 2017-11-17 · Updated 2024-09-16

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-416 and the CVSS impact.

Summary

Creolabs Gravity Version: 1.0 Use-After-Free Possible code execution. An example of a Heap-Use-After-Free after the 'sublexer' pointer has been freed. Line 542 of gravity_lexer.c. 'lexer' is being used to access a variable but 'lexer' has already been freed, creating a Heap Use-After-Free condition.

Why it matters now

EPSS 0.02437 84th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:creolabs:gravity:1.0:::::::*	1.0	Vulnerable	Creolabs

cpe:2.3:a:creolabs:gravity:1.0:*:*:*:*:*:*:* Versions 1.0 Vulnerable ·Creolabs

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2017-1000172
2026-10-03 Alias added: GHSA-9h29-g2j9-rh36

References

Exploit 1

https://github.com/marcobambini/gravity/issues/144

TI-2017-14654 Creolabs Gravity 1.0 contains a stack based buffer overflow in the operator_string_add… CVSS 3.0CRITICAL 9.8
TI-2017-14502 Creolabs Gravity Version: 1.0 Heap Overflow Potential Code Execution. CVSS 3.0CRITICAL 9.8
TI-2017-14412 Creolabs Gravity version 1.0 is vulnerable to a heap overflow in an undisclosed component… CVSS 3.0CRITICAL 9.8
TI-2017-14414 Creolabs Gravity version 1.0 is vulnerable to a stack overflow in the memcmp function CVSS 3.0CRITICAL 9.8
TI-2017-14413 Creolabs Gravity version 1.0 is vulnerable to a stack overflow in the string_repeat() function. CVSS 3.0CRITICAL 9.8
TI-2017-14411 Creolabs Gravity version 1.0 is vulnerable to a Double Free in gravity_value resulting… CVSS 3.0CRITICAL 9.8

See all 12 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences