# CVE-2026-14786: radareorg radare2 str.c r_str_word_get0set integer overflow

> A local attacker can exploit an integer overflow in radare2 to potentially execute code or cause a denial of service.

- **Severity:** Medium 4.8 (`CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 6 Jul 2026
- **Updated:** 7 Jul 2026
- **Also known as:** GHSA-2hgc-c8xq-92w3, UBUNTU-CVE-2026-14786

## What is CVE-2026-14786?

CVE-2026-14786 is a medium-severity vulnerability in Radare Radare2, published on 6 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A security flaw has been discovered in radareorg radare2 up to 6.1.6. This impacts the function r_str_word_get0set 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.

Weakness: CWE-190 (Integer Overflow or Wraparound), CWE-189

## Which versions are affected by CVE-2026-14786?

It affects 1 product.


Products: Radare Radare2.

## How do I fix CVE-2026-14786?

No fix has been published for CVE-2026-14786 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-14786 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-14786 exists.

## Other vulnerabilities in Radare Radare2

- [CVE-2025-1864](https://insights.sbomify.com/CVE-2025-1864/): Buffer Overflow and Potential Code Execution in Radare2 (critical 10.0)
- [CVE-2025-1744](https://insights.sbomify.com/CVE-2025-1744/): Out-of-bounds Write in radare2 (critical 10.0)
- [CVE-2021-32494](https://insights.sbomify.com/CVE-2021-32494/): Denial of service in radare2 (critical 10.0)
- [CVE-2021-32495](https://insights.sbomify.com/CVE-2021-32495/): Use after free in radare2 (critical 10.0)
- [CVE-2024-29646](https://insights.sbomify.com/CVE-2024-29646/): Memory corruption in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-14786 and fix it if it is affected.

What it is: CVE-2026-14786 is a medium-severity vulnerability in Radare Radare2, published on 6 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-14786 exists.

Affected product: Radare Radare2. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-14786/ (Markdown: https://insights.sbomify.com/CVE-2026-14786/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-14786
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-14786
- OSV: https://osv.dev/vulnerability/CVE-2026-14786

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-14786/
Summaries are generated and may contain mistakes; the official description above is the record.