CVE-2026-14761: radare2 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.

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CVSS v3.1 Score

3.3

LOW

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

EPSS — Exploit Prediction

0.0013

Probability of exploitation

0.03%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-189 CWE-189

CWE-190 Integer Overflow

Affected Products

Vendor	Product	Versions
radare	radare2	< 6.1.8

References

Advisories & Patches

https://github.com/radareorg/radare2/commit/a20a56917ae85d732e683f8d9078bdcfee92446c

Exploits

https://github.com/radareorg/radare2/issues/26045

Other References

https://github.com/radareorg/radare2/ https://vuldb.com/cve/CVE-2026-14761 https://vuldb.com/submit/850385 https://vuldb.com/vuln/376350 https://vuldb.com/vuln/376350/cti

Frequently Asked Questions

What is CVE-2026-14761? +

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. It has a CVSS v3.1 base score of 3.3 (LOW).

How severe is CVE-2026-14761? +

CVE-2026-14761 has a CVSS v3.1 score of 3.3 out of 10, rated LOW. This is a low-severity vulnerability with limited impact. The EPSS score is 0.0013, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-14761? +

CVE-2026-14761 affects products from radare, specifically: radare2. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-14761? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2026-14761