Buffer overflow in Radare Radare2
CVE-2026-14759
A security flaw has been discovered in radareorg radare2 up to 6.1.6. This issue affects the function r_bin_java_inner_classes_attr_calc_size of the file shlr/java/class.c of the component RBinJava Line Number Table Parser. Performing a manipulation results in heap-based buffer overflow. The attack requires a local approach. The exploit has been released to the public and may be used for attacks. The patch is named cd62d15a6cbecdc67fd03f3ebdbbbeb741d18f87. To fix this issue, it is recommended to deploy a patch.
Vulnerability class: Buffer Overflow
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 (11.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 11.6% 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
- vuldb.com/vuln/376348 (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/vuln/376348/cti (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/cve/CVE-2026-14759 (VDB Entry, Third Party Advisory, third-party-advisory)
- vuldb.com/submit/850383 (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/radareorg/radare2/issues/26043 (issue-tracking, Exploit, exploit, Issue Tracking)
- github.com/radareorg/radare2/commit/cd62d15a6cbecdc67fd03f3ebdbbbeb741d18f87 (Patch, patch)
- github.com/radareorg/radare2/ (Product, product)
Frequently asked questions
- What is CVE-2026-14759?
- CVE-2026-14759 is a low-severity vulnerability in Radare Radare2, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 3.3/10. Published 2026-07-05.
- How severe is CVE-2026-14759?
- Low severity. CVSS v3 base score is 3.3 out of 10.