Public Date:
1092668: CVE-2014-1531 Mozilla: Use-after-free in imgLoader while resizing images (MFSA 2014-44)

The MITRE CVE dictionary describes this issue as:

Use-after-free vulnerability in the nsGenericHTMLElement::GetWidthHeightForImage function in Mozilla Firefox before 29.0, Firefox ESR 24.x before 24.5, Thunderbird before 24.5, and SeaMonkey before 2.26 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via vectors involving an imgLoader object that is not properly handled during an image-resize operation.

Find out more about CVE-2014-1531 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 6.8
Base Metrics AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial

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 Desktop version 5 (thunderbird) RHSA-2014:0449 2014-04-29
Red Hat Enterprise Linux version 6 (thunderbird) RHSA-2014:0449 2014-04-29
Red Hat Enterprise Linux version 6 (firefox) RHSA-2014:0448 2014-04-29
Red Hat Enterprise Linux Optional Productivity Applications version 5 (thunderbird) RHSA-2014:0449 2014-04-29
Red Hat Enterprise Linux version 5 (firefox) RHSA-2014:0448 2014-04-29


Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Nils as the original reporter.

External References