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CVE-2026-8696

8.7
High
EPSS 0.60%Patch availableMay 16, 2026

Use-after-free in radare2 6.1.5 GDB client; DoS or potential code execution via malformed thread info.

common questions

Is CVE-2026-8696 being exploited?

Not confirmed. CVE-2026-8696 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.60% probability of exploitation in the next 30 days.

How severe is CVE-2026-8696?

CVE-2026-8696 is rated High with a CVSS score of 8.7. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.

Is there a patch for CVE-2026-8696?

Yes. A fix has been recorded for CVE-2026-8696. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.

What does CVE-2026-8696 affect?

CVE-2026-8696 affects radare2 6.1.5. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.

What should I do about CVE-2026-8696?

Upgrade to patched radare2 when released

Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.

executive summary
technical analysis
affected
radare2 6.1.5
impact

Remote attacker can cause DoS or potentially execute arbitrary code via double-free during thread-info cleanup.

action required

Patch when possible

affected versions
radare2 radare2
  • affected6.1.5
vendor says fixed inc213ad6894a1eb9086ac8bf5fae35757e9e1683c

As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.

how to fix
Remediation steps are tailored for users whose stack is affected. Add this technology to your stack to see the fix checklist.
references
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