CVE Database


Impact: Moderate
Public: 2013-11-12
CWE: CWE-456
Bugzilla: 1031749: CVE-2013-6630 libjpeg: information leak (read of uninitialized memory)
IAVA: 2013-A-0233


The MITRE CVE dictionary describes this issue as:

The get_dht function in jdmarker.c in libjpeg-turbo through 1.3.0, as used in Google Chrome before 31.0.1650.48 and other products, does not set all elements of a certain Huffman value array during the reading of segments that follow Define Huffman Table (DHT) JPEG markers, which allows remote attackers to obtain sensitive information from uninitialized memory locations via a crafted JPEG image.

Find out more about CVE-2013-6630 from the MITRE CVE dictionary and NIST NVD.

CVSS v2 metrics

Base Score: 4.3
Base Metrics: AV:N/AC:M/Au:N/C:P/I:N/A:N
Access Vector: Network
Access Complexity: Medium
Authentication: None
Confidentiality Impact: Partial
Integrity Impact: None
Availability Impact: None

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat security errata

Platform Errata Release Date
Red Hat Enterprise Linux version 6 (libjpeg-turbo) RHSA-2013:1803 December 09, 2013

External References

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