CVE-2026-14786: radareorg radare2 str.c r_str_word_get0set integer overflow
A security flaw has been discovered in radareorg radare2 up to 6.1.6. This impacts the function rstrwordget0set of the file libr/util/str.c. The manipulation results in integer overflow. The attack must be initiated from a local position. The exploit has been released to the public and may be used for attacks. The patch is identified as 11ac224c0eb8d57830fccc99e1c1cd8e5d958813. It is best practice to apply a patch to resolve this issue.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
radareorg radare2to a version that resolves this vulnerability.Fixed in 6.1.6Patch 11ac224c0eb8d57830fccc99e1c1cd8e5d958813 - Compensating control
Since exploitation must be initiated from a local position, restrict local access to radare2 (e.g., limit which systems/users can run it) to reduce exposure while patching.
Event History
Frequently Asked Questions
What is the severity of CVE-2026-14786?
The severity of CVE-2026-14786 is rated as low with a score of 3.3.
What does CVE-2026-14786 affect?
CVE-2026-14786 affects the radareorg radare2 software, specifically the function r_str_word_get0set in libr/util/str.c.
How can I fix CVE-2026-14786?
To fix CVE-2026-14786, you should update radareorg radare2 to version 6.1.7 or later, where the vulnerability has been addressed.
Who is affected by CVE-2026-14786?
Users of radareorg radare2 versions up to 6.1.6 are affected by CVE-2026-14786.
What type of vulnerability is CVE-2026-14786?
CVE-2026-14786 is classified as an integer overflow vulnerability.