Low [CVE-2026-14759] Denial of Service via heap-based buffer overflow
This low-severity Red Hat Linux advisory covers CVE-2026-14759.
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Summary
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. This can lead to a heap-based buffer overflow, resulting in a denial of service.
This Low impact flaw in radare2's RBinJava Line Number Table Parser allows a local attacker to trigger a heap-based buffer overflow. By manipulating the `r_bin_java_inner_classes_attr_calc_size` function, an attacker can cause a denial of service.
Red Hat severity: Low — CVSS 3.3 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L). Weakness: CWE-131.
- 6.1.6
Official advisory · high-confidence parse· fetched 3 days ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 3 days ago·verify at source
Mitigation checklist
- Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
Official advisory · high-confidence parse· fetched 3 days ago·verify at source
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