CVE-2007-2553: HP TRU64

High severity, CVSS 7.2. EPSS: 0.9% chance of exploitation in the next 30 days.

Unspecified vulnerability in dop in HP Tru64 UNIX 5.1B-4, 5.1B-3, and 5.1A PK6 allows local users to gain privileges via a large amount of data in the environment, as demonstrated by a long environment variable.

Affected products

• HP TRU64: version 5.1a only; version 5.1b3 only; version 5.1b4 only

Published 2007-05-09. Last modified 2026-06-16.