Vulnerability · Published Jul 6, 2026 · Assigned by VulDB
CVE-2026-14789radareorg radare2 Memory64ListStream mdmp.c stack-based overflow
Low 3.3
In plain English
A low-severity stack buffer overflow in radare2 from radareorg. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities).
Official description
A vulnerability was detected in radareorg radare2 up to 6.1.6. Affected by this issue is some unknown functionality of the file libr/bin/format/mdmp/mdmp.c of the component Memory64ListStream Parser. Performing a manipulation results in stack-based buffer overflow. The attack requires a local approach. The exploit is now public and may be used. The patch is named 175d4addb68981331c85b10681c2161c38fb5762. It is suggested to install a patch to address this issue.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:25.10 | radare2 | no fix listed | UBUNTU-CVE-2026-14789 |
| Ubuntu:26.04:LTS | radare2 | no fix listed | UBUNTU-CVE-2026-14789 |
| Ubuntu:26.10 | radare2 | no fix listed | UBUNTU-CVE-2026-14789 |
Affected products (as reported)
Weakness: CWE-121, CWE-119 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
References
- VDB-376378 | radareorg radare2 Memory64ListStream mdmp.c stack-based overflow vdb-entry
- VDB-376378 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-14789 | CVE Analysis and Report third-party-advisory
- Submit #850389 | radareorg radare2 6.1.6 Improper Input Validation third-party-advisory
- https://github.com/radareorg/radare2/issues/26051 exploit, issue-tracking
- https://github.com/mengzhisuoliu/radare2/commit/175d4addb68981331c85b10681c2161c38fb5762 patch
- https://github.com/radareorg/radare2/ product