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Last updated: 4/2/2015 2:37:51 AM

CVE Publication rate: 16.4

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Vulnerability Workload Index: 7.89
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National Cyber Awareness System

Vulnerability Summary for CVE-2002-0059

Original release date: 03/15/2002
Last revised: 09/10/2008


The decompression algorithm in zlib 1.1.3 and earlier, as used in many different utilities and packages, causes inflateEnd to release certain memory more than once (a "double free"), which may allow local and remote attackers to execute arbitrary code via a block of malformed compression data.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 7.5 (HIGH) (AV:N/AC:L/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore: 6.4
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: REDHAT
Name: RHSA-2002:027
Type: Advisory; Patch Information
External Source: XF
Name: zlib-doublefree-memory-corruption(8427)
External Source: HP
Name: HPSBTL0204-037
External Source: CONECTIVA
Name: CLA-2002:469
External Source: MANDRAKE
Name: MDKSA-2002:022
US-CERT Vulnerability Note: CERT-VN
Name: VU#368819
External Source: REDHAT
Name: RHSA-2002:026
Type: Advisory; Patch Information
External Source: MANDRAKE
Name: MDKSA-2002:024
External Source: HP
Name: HPSBTL0204-030
External Source: HP
Name: HPSBTL0204-036
External Source: CALDERA
Name: CSSA-2002-015.1
External Source: BID
Name: 4267
External Source: CALDERA
Name: CSSA-2002-014.1
US-CERT Vulnerability Note: CERT
Name: CA-2002-07
External Source: MANDRAKE
Name: MDKSA-2002:023
Type: Advisory; Patch Information
External Source: DEBIAN
Name: DSA-122

Technical Details

Vulnerability Type (View All)