# CVE-2026-14758: radareorg radare2 hexpairs cmd_anal.inc.c cmd_anal_opcode integer overflow

> A local attacker can trigger an integer overflow in radare2's hexpairs parser, potentially causing 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:** Yes
- **Published:** 5 Jul 2026
- **Updated:** 6 Jul 2026
- **Also known as:** GHSA-f973-xj97-7vpp, UBUNTU-CVE-2026-14758

## What is CVE-2026-14758?

CVE-2026-14758 is a medium-severity vulnerability in Radare Radare2, published on 5 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability was identified in radareorg radare2 up to 6.1.6. This vulnerability affects the function cmd_anal_opcode of the file libr/core/cmd_anal.inc.c of the component hexpairs Parser. Such manipulation leads to integer overflow. The attack needs to be performed locally. The exploit is publicly available and might be used. The name of the patch is 84e773986e7e5bb30453a9384f498ec0ccc9d0a9. A patch should be applied to remediate this issue.

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

## Which versions are affected by CVE-2026-14758?

It affects 1 product.


Products: Radare Radare2.

## How do I fix CVE-2026-14758?

Apply the vendor's patch.

## Is CVE-2026-14758 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-14758 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-2026-14758 and fix it if it is affected.

What it is: CVE-2026-14758 is a medium-severity vulnerability in Radare Radare2, published on 5 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-2026-14758 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-2026-14758/ (Markdown: https://insights.sbomify.com/CVE-2026-14758/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-14758
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-14758
- OSV: https://osv.dev/vulnerability/CVE-2026-14758

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-14758/
Summaries are generated and may contain mistakes; the official description above is the record.