How severe is CVE-2018-25322?

CVE-2018-25322 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-25322 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2018-25322?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2018-25322 have an EU (EUVD) identifier?

Yes. CVE-2018-25322 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2018-21843.

When was CVE-2018-25322 published?

CVE-2018-25322 was published on 2026-05-17 and last updated on 2026-06-17.

CVE-2018-25322

CVE-2018-25322 is a high-severity vulnerability with a CVSS 3.x base score of 8.4. 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-121.

Key facts

Severity: High (CVSS 3.x base score 8.4)
CVSS v4: 8.6
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2018-21843
Weakness: CWE-121
Published: 2026-05-17
Last modified: 2026-06-17

Description

Allok Fast AVI MPEG Splitter 1.2 contains a stack based buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying a malicious license name string. Attackers can craft a payload with 780 bytes of junk data followed by structured shellcode and place it in the License Name field to trigger the overflow and execute code with application privileges.

Frequently asked questions

What is CVE-2018-25322?: Allok Fast AVI MPEG Splitter 1.2 contains a stack based buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying a malicious license name string. Attackers can craft a payload with 780 bytes of junk data followed by structured shellcode and place it in the License Name field to trigger the overflow and execute code with application privileges.
How severe is CVE-2018-25322?: CVE-2018-25322 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-25322 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2018-25322?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2018-25322 have an EU (EUVD) identifier?: Yes. CVE-2018-25322 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2018-21843.
When was CVE-2018-25322 published?: CVE-2018-25322 was published on 2026-05-17 and last updated on 2026-06-17.

References

Other CWE-121 (Stack-based Buffer Overflow) vulnerabilities

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