CVE-2016-2233: hexchat_project hexchat

Vulnerability summary

CVE-2016-2233 is a high (CVSS 7.5) vulnerability in hexchat_project hexchat. EPSS estimates a 34.10% chance of exploitation in the next 30 days, higher than 98.3% of scored vulnerabilities. 2 public exploits are recorded.

Timeline

1. 18-01-2017
   PublishedVulnerability first disclosed.
2. 05-08-2024
   Last modifiedVulnerability information updated.

Description

Stack-based buffer overflow in the inbound_cap_ls function in common/inbound.c in HexChat 2.10.2 allows remote IRC servers to cause a denial of service (crash) via a large number of options in a CAP LS message.

• 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.