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Description

TransMac 12.2 contains a buffer overflow vulnerability in the license key input field that allows local attackers to crash the application by submitting an oversized string. Attackers can generate a payload file containing 4000 bytes of data, paste it into the License Key field, and trigger a denial of service condition.

PUBLISHED Reserved 2026-04-22 | Published 2026-04-26 | Updated 2026-04-27 | Assigner VulnCheck




MEDIUM: 6.9CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
MEDIUM: 6.2CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem types

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Product status

12.2
affected

Credits

Gionathan "John" Reale finder

References

www.exploit-db.com/exploits/45493 (ExploitDB-45493) exploit

www.vulncheck.com/...denial-of-service-via-license-key-field (VulnCheck Advisory: TransMac 12.2 Denial of Service via License Key Field) third-party-advisory

cve.org (CVE-2018-25264)

nvd.nist.gov (CVE-2018-25264)

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