Vulnerability · Published Jul 5, 2026 · Assigned by VulDB
CVE-2026-14759radareorg radare2 RBinJava Line Number Table class.c r_bin_java_inner_classes_attr_calc_size heap-based overflow
Low 3.3
In plain English
A low-severity heap 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 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:25.10 | radare2 | no fix listed | UBUNTU-CVE-2026-14759 |
| Ubuntu:26.04:LTS | radare2 | no fix listed | UBUNTU-CVE-2026-14759 |
| Ubuntu:26.10 | radare2 | no fix listed | UBUNTU-CVE-2026-14759 |
Affected products (as reported)
Weakness: CWE-122, 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-376348 | radareorg radare2 RBinJava Line Number Table class.c r_bin_java_inner_classes_attr_calc_size heap-based overflow vdb-entry, technical-description
- VDB-376348 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-14759 | CVE Analysis and Report third-party-advisory
- Submit #850383 | radareorg radare2 6.1.6 Out-of-Bounds Read third-party-advisory
- https://github.com/radareorg/radare2/issues/26043 exploit, issue-tracking
- https://github.com/radareorg/radare2/commit/cd62d15a6cbecdc67fd03f3ebdbbbeb741d18f87 patch
- https://github.com/radareorg/radare2/ product