Buffer overflow in Rizin
CVE-2025-1788
A vulnerability, which was classified as critical, was found in rizinorg rizin up to 0.8.0. This affects the function rz_utf8_encode in the library /librz/util/utf8.c. 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. It is recommended to apply a patch to fix this issue.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.003 (20.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 20.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Rizin
- Rizinorg Rizin — versions 0.1, 0.2, 0.3
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (Exploit, VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/rizinorg/rizin/issues/4910 (issue-tracking, Exploit, Issue Tracking)
- github.com/rizinorg/rizin/issues/4910 (issue-tracking, Issue Tracking)
- github.com/user-attachments/files/18817099/rz-bin-poc-01.zip (Exploit, exploit)
- github.com/rizinorg/rizin/pull/4762 (issue-tracking, patch, Issue Tracking)
Frequently asked questions
- What is CVE-2025-1788?
- CVE-2025-1788 is a medium-severity vulnerability in Rizin, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.3/10. Published 2025-03-01.
- How severe is CVE-2025-1788?
- Medium severity. CVSS v3 base score is 5.3 out of 10.