Low [CVE-2026-14759] Denial of Service via heap-based buffer overflow
This low-severity Red Hat Linux advisory covers CVE-2026-14759.
Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.
VulniPulse record published Record updated
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.
Is CVE-2026-14759 exploited?
No exploitation is reported in the sources VulniPulse tracks: CVE-2026-14759 is not in the CISA KEV catalog (checked ) and this advisory does not report exploitation. That is not proof the vulnerability cannot be exploited.
How do I fix CVE-2026-14759?
The advisory VulniPulse tracks names no fixed release. Follow Red Hat's guidance for workarounds and updates.
Confirm against the vendor advisory before you patch.
- 6.1.6
Official advisory · high-confidence parse· fetched 11 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 11 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 11 days ago·verify at source
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