CVE-2014-8240: tigervnc

Vulnerability summary

CVE-2014-8240 is a high (CVSS 7.5) vulnerability in tigervnc. EPSS estimates a 3.55% chance of exploitation in the next 30 days, higher than 89.2% of scored vulnerabilities.

Timeline

1. 16-10-2014
   PublishedVulnerability first disclosed.
2. 06-08-2024
   Last modifiedVulnerability information updated.

Description

Integer overflow in TigerVNC allows remote VNC servers to cause a denial of service (crash) and possibly execute arbitrary code via vectors related to screen size handling, which triggers a heap-based buffer overflow, a similar issue to CVE-2014-6051.

• 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.