VulnerabilityModified
CVE-2022-1212
Use-After-Free in str_escape in mruby/mruby in GitHub repository mruby/mruby prior to 3.2.
CRITICAL 9.8EPSS 1.79%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.79%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Use-After-Free in str_escape in mruby/mruby in GitHub repository mruby/mruby prior to 3.2. Possible arbitrary code execution if being exploited.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.79% probability · 77th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- mruby/mruby
- Source
- security@huntr.dev
References
- https://github.com/mruby/mruby/commit/3cf291f72224715942beaf8553e42ba8891ab3c6Patch, Third Party Advisory
- https://huntr.dev/bounties/9fcc06d0-08e4-49c8-afda-2cae40946abeExploit, Issue Tracking, Patch, Third Party Advisory
- https://github.com/mruby/mruby/commit/3cf291f72224715942beaf8553e42ba8891ab3c6Patch, Third Party Advisory
- https://huntr.dev/bounties/9fcc06d0-08e4-49c8-afda-2cae40946abeExploit, Issue Tracking, Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.