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Vulnerability record · CVE-2018-25314 · published 29 April 2026

CVE-2018-25314: Classic buffer overflow vulnerability

Allok soft WMV to AVI MPEG DVD WMV Converter 4.6.1217 contains a buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying an oversized string in the License Name field. Attackers can craft a malicious input containing shellcode with structured exception handler (SEH) overwrite to bypass protections and execute code with application privileges.

8.6 CVSS 4.0 High EPSS 0.17% · top 95.0% CWE-120 · Classic buffer overflow Deferred
8.6CVSS 4.0 base score
0.17%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Allok soft WMV to AVI MPEG DVD WMV Converter 4.6.1217 contains a buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying an oversized string in the License Name field. Attackers can craft a malicious input containing shellcode with structured exception handler (SEH) overwrite to bypass protections and execute code with application privileges.

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/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
http://www.alloksoft.com/wmv.htm
https://www.exploit-db.com/exploits/44365
https://www.vulncheck.com/advisories/allok-soft-wmv-to-avi-mpeg-dvd-wmv-converter-buffer-overflow

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Source: NIST National Vulnerability Database (record CVE-2018-25314), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.