VulnerabilityModified
CVE-2020-36401
mruby 2.1.2 has a double free in mrb_default_allocf (called from mrb_free and obj_free).
HIGH 7.8EPSS 0.99%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.99%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
mruby 2.1.2 has a double free in mrb_default_allocf (called from mrb_free and obj_free).
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 0.99% probability · 61th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-415
- Affected
- mruby/mruby
- Source
- cve@mitre.org
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=23801Exploit, Issue Tracking, Patch, Third Party Advisory
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/mruby/OSV-2020-744.yamlThird Party Advisory
- https://github.com/mruby/mruby/commit/97319697c8f9f6ff27b32589947e1918e3015503Patch, Third Party Advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=23801Exploit, Issue Tracking, Patch, Third Party Advisory
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/mruby/OSV-2020-744.yamlThird Party Advisory
- https://github.com/mruby/mruby/commit/97319697c8f9f6ff27b32589947e1918e3015503Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.