CVE-2026-14761
radareorg radare2 str.c r_str_append integer overflow
Description
A security vulnerability has been detected in radareorg radare2 up to 6.1.6. The affected element is the function r_str_ndup/r_str_append of the file libr/util/str.c. The manipulation leads to integer overflow. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. The identifier of the patch is a20a56917ae85d732e683f8d9078bdcfee92446c. Applying a patch is the recommended action to fix this issue.
INFO
Published Date :
July 5, 2026, 4:19 p.m.
Last Modified :
July 5, 2026, 4:19 p.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-14761
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | LOW | [email protected] | ||||
| CVSS 3.1 | LOW | [email protected] | ||||
| CVSS 4.0 | LOW | [email protected] |
Solution
- Apply the patch identified by a20a56917ae85d732e683f8d9078bdcfee92446c.
- Update radare2 to a version that includes the fix.
- Review code for similar integer overflow vulnerabilities.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-14761.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-14761 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-14761
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-14761 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-14761 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Jul. 05, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:2.3:a:radareorg:radare2:*:*:*:*:*:*:*:*'], 'vendor': 'radareorg', 'product': 'radare2', 'versions': [{'status': 'affected', 'version': '6.1.0'}, {'status': 'affected', 'version': '6.1.1'}, {'status': 'affected', 'version': '6.1.2'}, {'status': 'affected', 'version': '6.1.3'}, {'status': 'affected', 'version': '6.1.4'}, {'status': 'affected', 'version': '6.1.5'}, {'status': 'affected', 'version': '6.1.6'}]}] Added Description A security vulnerability has been detected in radareorg radare2 up to 6.1.6. The affected element is the function r_str_ndup/r_str_append of the file libr/util/str.c. The manipulation leads to integer overflow. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. The identifier of the patch is a20a56917ae85d732e683f8d9078bdcfee92446c. Applying a patch is the recommended action to fix this issue. Added CVSS V4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L Added CVSS V2 (AV:L/AC:L/Au:S/C:N/I:N/A:P) Added CWE CWE-189 Added CWE CWE-190 Added Reference https://github.com/radareorg/radare2/ Added Reference https://github.com/radareorg/radare2/commit/a20a56917ae85d732e683f8d9078bdcfee92446c Added Reference https://github.com/radareorg/radare2/issues/26045 Added Reference https://vuldb.com/cve/CVE-2026-14761 Added Reference https://vuldb.com/submit/850385 Added Reference https://vuldb.com/vuln/376350 Added Reference https://vuldb.com/vuln/376350/cti