CVE-2025-7207
A vulnerability, which was classified as problematic, was found in mruby up to 3.4.0-rc2.
Does this matter?
Lower severity and a low EPSS score (0.23%). Track it; it rarely justifies an emergency change on its own.
Description
A vulnerability, which was classified as problematic, was found in mruby up to 3.4.0-rc2. Affected is the function scope_new of the file mrbgems/mruby-compiler/core/codegen.c of the component nregs Handler. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. The name of the patch is 1fdd96104180cc0fb5d3cb086b05ab6458911bb9. It is recommended to apply a patch to fix this issue.
- CVSS 4.0
- 1.9 LOWCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.23% probability · 14th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119, CWE-122, CWE-787
- Affected
- mruby/mruby
- Source
- cna@vuldb.com
References
- https://github.com/mruby/mruby/commit/1fdd96104180cc0fb5d3cb086b05ab6458911bb9Patch
- https://github.com/mruby/mruby/issues/6509Exploit, Issue Tracking
- https://github.com/mruby/mruby/issues/6509#event-17145516649Exploit, Issue Tracking
- https://github.com/user-attachments/files/19619499/mruby_crash.txtExploit
- https://vuldb.com/?ctiid.315156Permissions Required, VDB Entry
- https://vuldb.com/?id.315156Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.607683Third Party Advisory, VDB Entry
- https://github.com/mruby/mruby/issues/6509Exploit, Issue Tracking
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.