Integer overflow in Radare Radare2
CVE-2026-14761
A security vulnerability has been detected in radareorg radare2 up to 6.1.6. The affected element is the function r_str_ndup/r_str_append of the file libr/util/str.c. The manipulation leads to integer overflow. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. The identifier of the patch is a20a56917ae85d732e683f8d9078bdcfee92446c. Applying a patch is the recommended action to fix this issue.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.002 (7.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 7.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Radare Radare2
- Radareorg Radare2 — versions 6.1.0, 6.1.1, 6.1.2
Weakness classification (CWE)
References
- github.com/radareorg/radare2/ (Product, product)
- github.com/radareorg/radare2/commit/a20a56917ae85d732e683f8d9078bdcfee92446c (Patch, patch)
- github.com/radareorg/radare2/issues/26045 (issue-tracking, Exploit, exploit, Issue Tracking)
- vuldb.com/cve/CVE-2026-14761 (VDB Entry, Third Party Advisory, third-party-advisory)
- vuldb.com/submit/850385 (VDB Entry, Third Party Advisory, third-party-advisory)
- vuldb.com/vuln/376350 (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/vuln/376350/cti (signature, Permissions Required, permissions-required, VDB Entry)
Frequently asked questions
- What is CVE-2026-14761?
- CVE-2026-14761 is a low-severity vulnerability in Radare Radare2, classified under CWE-189. CVSS score: 3.3/10. Published 2026-07-05.
- How severe is CVE-2026-14761?
- Low severity. CVSS v3 base score is 3.3 out of 10.