How severe is CVE-2026-22780?

CVE-2026-22780 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability low.

Is CVE-2026-22780 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-22780?

CVE-2026-22780 affects Rizin. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-22780?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-22780 have an EU (EUVD) identifier?

Yes. CVE-2026-22780 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5278.

When was CVE-2026-22780 published?

CVE-2026-22780 was published on 2026-02-02 and last updated on 2026-06-17.

CVE-2026-22780

CVE-2026-22780 is a medium-severity vulnerability in Rizin with a CVSS 3.x base score of 4.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-770.

Key facts

Severity: Medium (CVSS 3.x base score 4.4)
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-5278
Weakness: CWE-770
Affected product: Rizin
Published: 2026-02-02
Last modified: 2026-06-17

Description

Rizin is a UNIX-like reverse engineering framework and command-line toolset. Prior to 0.8.2, a heap overflow can be exploited when a malicious mach0 file, having bogus entries for the dyld chained segments, is parsed by rizin. This vulnerability is fixed in 0.8.2.

Frequently asked questions

What is CVE-2026-22780?: Rizin is a UNIX-like reverse engineering framework and command-line toolset. Prior to 0.8.2, a heap overflow can be exploited when a malicious mach0 file, having bogus entries for the dyld chained segments, is parsed by rizin. This vulnerability is fixed in 0.8.2.
How severe is CVE-2026-22780?: CVE-2026-22780 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2026-22780 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-22780?: CVE-2026-22780 affects Rizin. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-22780?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-22780 have an EU (EUVD) identifier?: Yes. CVE-2026-22780 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5278.
When was CVE-2026-22780 published?: CVE-2026-22780 was published on 2026-02-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:rizin:rizin:*:*:*:*:*:*:*:*

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