CVE-2021-3942: hp inc. hp print products and digital sending products

Vulnerability summary

CVE-2021-3942 is a critical (CVSS 9.8) vulnerability in hp inc. hp print products and digital sending products. EPSS estimates a 1.53% chance of exploitation in the next 30 days, higher than 74.3% of scored vulnerabilities.

Timeline

1. 22-11-2022
   PublishedVulnerability first disclosed.
2. 25-04-2025
   Last modifiedVulnerability information updated.

Description

Certain HP Print products and Digital Sending products may be vulnerable to potential remote code execution and buffer overflow with use of Link-Local Multicast Name Resolution or LLMNR.

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.