VulnerabilityModified
CVE-2017-1000172
Creolabs Gravity Version: 1.0 Use-After-Free Possible code execution.
CRITICAL 9.8EPSS 2.44%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.44%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.44% probability · 83th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- creolabs/gravity
- Source
- cve@mitre.org
References
- https://github.com/marcobambini/gravity/issues/144Exploit, Third Party Advisory
- https://github.com/marcobambini/gravity/issues/144Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.