CVE-2017-7476: gnulib

Vulnerability summary

CVE-2017-7476 is a critical (CVSS 9.8) vulnerability in gnulib. EPSS estimates a 3.65% chance of exploitation in the next 30 days, higher than 89.5% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 02-05-2017
   PublishedVulnerability first disclosed.
2. 05-08-2024
   Last modifiedVulnerability information updated.

Description

Gnulib before 2017-04-26 has a heap-based buffer overflow with the TZ environment variable. The error is in the save_abbr function in time_rz.c.

• 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.