VDB
CVE-2020-36401
CVE-2020-36401
PUBLISHED
mruby 2.1.2 has a double free in mrb_default_allocf (called from mrb_free and obj_free).
EPSS 0.24% · 47.7th percentile
Risk Scores
EPSS Score
0.24%
47.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:22.04:LTS | mruby | 3.0.0-3, 2.1.2-3, 0 |
| Ubuntu:18.04:LTS | mruby | 1.3.0+20170925+git38185028-1, 1.4.0-1, * |
| Ubuntu:20.04:LTS | mruby | 0, 2.0.0-1 |
| Ubuntu:16.04:LTS | mruby | 0, 1.1.0+20150906+git1cbbb7e1-1, 1.2.0+20160315+git4f20d58a-1 |
Exploit Intelligence
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=23801 (nist-nvd)
- https://github.com/mruby/mruby/commit/97319697c8f9f6ff27b32589947e1918e3015503 (circl)
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/mruby/OSV-2020-744.yaml (circl)
- integration_tests.py (github-poc)
- integration_tests.py (github-poc)
- integration_tests.py (github-poc)
- integration_tests.py (github-poc)
- integration_tests.py (github-poc)
Timeline
- Jul 1, 2021 EPSS Score
- Jul 1, 2021 CVE Published
- Aug 30, 2021 EPSS Score
- Oct 29, 2021 EPSS Score
- Dec 28, 2021 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 26, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- Apr 28, 2022 EPSS Score
- Jun 27, 2022 EPSS Score
- Aug 27, 2022 EPSS Score
- Oct 26, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-36401 third-party-advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=23801 third-party-advisory
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/mruby/OSV-2020-744.yaml third-party-advisory
- https://github.com/mruby/mruby/commit/97319697c8f9f6ff27b32589947e1918e3015503 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-36401 third-party-advisory