Memory Corruption in Zlib Affecting Multiple Utilities
CVE-2002-0059

9.8CRITICAL

Key Information:

Vendor

Zlib

Status
Vendor
CVE Published:
15 March 2002

What is CVE-2002-0059?

The vulnerability arises from a flaw in the decompression algorithm of Zlib 1.1.3 and earlier versions. The inflateEnd function mishandles memory, leading to a double free condition. This flaw can be exploited by local or remote attackers to execute arbitrary code by providing a specially crafted block of compression data, posing significant security risks across various applications utilizing Zlib.

References

EPSS Score

9% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.