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Vulnerability record · CVE-2018-25302 · published 29 April 2026

CVE-2018-25302: Classic buffer overflow vulnerability

Allok AVI to DVD SVCD VCD Converter 4.0.1217 contains a structured exception handling (SEH) based buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying a malicious string in the License Name field. Attackers can craft a payload with junk data, NSEH bypass, SEH handler address, and shellcode that triggers the overflow when pasted into the License Name field and the Register button is clicked, resulting in code execution.

8.5 CVSS 4.0 High EPSS 0.16% · top 95.9% CWE-120 · Classic buffer overflow Deferred
8.5CVSS 4.0 base score
0.16%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

Allok AVI to DVD SVCD VCD Converter 4.0.1217 contains a structured exception handling (SEH) based buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying a malicious string in the License Name field. Attackers can craft a payload with junk data, NSEH bypass, SEH handler address, and shellcode that triggers the overflow when pasted into the License Name field and the Register button is clicked, resulting in code execution.

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
http://www.alloksoft.com/
https://www.exploit-db.com/exploits/44549
https://www.vulncheck.com/advisories/allok-avi-to-dvd-svcd-vcd-converter-buffer-overflow-seh

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Source: NIST National Vulnerability Database (record CVE-2018-25302), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.