radareorg radare2 up to 6.1.6 libr/util/str.c r_str_ndup/r_str_append integer overflow

CVSS Meta Temp Score
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CTI Interest Score
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3.0$0-$5k1.08+

Summaryinfo

A vulnerability, which was classified as problematic, was found in radareorg radare2 up to 6.1.6. The impacted element is the function r_str_ndup/r_str_append of the file libr/util/str.c. The manipulation results in integer overflow. This vulnerability is known as CVE-2026-14761. Attacking locally is a requirement. Furthermore, an exploit is available. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability was found in radareorg radare2 up to 6.1.6. It has been classified as problematic. Affected is the function r_str_ndup/r_str_append of the file libr/util/str.c. The manipulation with an unknown input leads to a integer overflow vulnerability. CWE is classifying the issue as CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. This is going to have an impact on availability.

The advisory is available at github.com. This vulnerability is traded as CVE-2026-14761. The exploitability is told to be easy. Local access is required to approach this attack. Technical details and a public exploit are known.

The exploit is shared for download at github.com. It is declared as proof-of-concept.

Applying the patch a20a56917ae85d732e683f8d9078bdcfee92446c is able to eliminate this problem. The bugfix is ready for download at github.com.

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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

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

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
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: a20a56917ae85d732e683f8d9078bdcfee92446c

Timelineinfo

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

Sourcesinfo

Product: github.com

Advisory: 26045
Status: Confirmed

CVE: CVE-2026-14761 (🔒)
GCVE (CVE): GCVE-0-2026-14761
GCVE (VulDB): GCVE-100-376350
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/04/2026 18:24
Changes: 07/04/2026 18:24 (60)
Complete: 🔍
Submitter: Kery Qi
Cache ID: 216::103

Submitinfo

Accepted

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