radareorg radare2 up to 6.1.6 RBinJava Line Number Table Parser shlr/java/class.c r_bin_java_inner_classes_attr_calc_size heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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3.0$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in radareorg radare2 up to 6.1.6. Impacted is 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. Executing a manipulation can lead to heap-based overflow. This vulnerability appears as CVE-2026-14759. The attack requires local access. In addition, an exploit is available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability has been found in radareorg radare2 up to 6.1.6 and classified as problematic. This vulnerability 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. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect availability.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-14759. The exploitation appears to be easy. The attack needs to be approached locally. Technical details and also a public exploit are known.

It is possible to download the exploit at github.com. It is declared as proof-of-concept.

Applying the patch cd62d15a6cbecdc67fd03f3ebdbbbeb741d18f87 is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-41769). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 3.0

VulDB Base Score: 3.3
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: cd62d15a6cbecdc67fd03f3ebdbbbeb741d18f87

Timelineinfo

07/04/2026 Advisory disclosed
07/04/2026 +0 days VulDB entry created
07/05/2026 +1 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 26043
Status: Confirmed

CVE: CVE-2026-14759 (🔒)
GCVE (CVE): GCVE-0-2026-14759
GCVE (VulDB): GCVE-100-376348
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/04/2026 18:24
Updated: 07/05/2026 20:52
Changes: 07/04/2026 18:24 (61), 07/05/2026 20:52 (1)
Complete: 🔍
Submitter: Kery Qi
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #850383: radareorg radare2 6.1.6 Out-of-Bounds Read (by Kery Qi)

Once again VulDB remains the best source for vulnerability data.

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