PT-2025-28807 · Mruby+1 · Mruby+1

Jjleo · Published 2025-07-09 · Updated 2025-10-01 · CVE-2025-7207

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions: mruby versions up to 3.4.0-rc2

Description: A heap-based buffer overflow issue was found in the function scope new of the file mrbgems/mruby-compiler/core/codegen.c of the component nregs Handler. This issue can be exploited locally.

Recommendations: For mruby versions up to 3.4.0-rc2, apply the patch 1fdd96104180cc0fb5d3cb086b05ab6458911bb9 to fix this issue. As a temporary workaround, consider restricting access to the scope new function until the patch is applied.

Exploit

Fix

Memory Corruption

Heap Based Buffer Overflow

Buffer Overflow

Weakness Enumeration

CWE-787

CWE-122

CWE-119

Related Identifiers

CVE-2025-7207

OPENSUSE-SU-2025:15333-1

Affected Products

Debian

Mruby

References · 23

• 🔥 https://github.com/mruby/mruby/issues/6509 · Exploit
• 🔥 https://github.com/mruby/mruby/issues/6509#event-17145516649 · Exploit
• 🔥❌ https://github.com/user-attachments/files/19619499/mruby_crash.txt · Exploit, Deleted
• https://github.com/mruby/mruby/commit/1fdd96104180cc0fb5d3cb086b05ab6458911bb9 · Patch
• https://cve.org/CVERecord?id=CVE-2025-7207 · Security Note
• https://ubuntu.com/security/CVE-2025-7207 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2025:15333-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2025-7207 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-7207 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2025-7207 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-7207 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-7207 · Security Note
• https://suse.com/security/cve/CVE-2022-0717 · Note
• https://t.me/cvenotify/128124 · Telegram Post
• https://vuldb.com/?submit.607683 · Note