CVE-2018-12366

Impact:
Moderate
Public Date:
2018-06-26
CWE:
CWE-125
Bugzilla:
1595031: CVE-2018-12366 Mozilla: Invalid data handling during QCMS transformations

The MITRE CVE dictionary describes this issue as:

An invalid grid size during QCMS (color profile) transformations can result in the out-of-bounds read interpreted as a float value. This could leak private data into the output. This vulnerability affects Thunderbird < 60, Thunderbird < 52.9, Firefox ESR < 60.1, Firefox ESR < 52.9, and Firefox < 61.

Find out more about CVE-2018-12366 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v3 metrics

CVSS3 Base Score 6.1
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Changed
Confidentiality Low
Integrity Impact Low
Availability Impact None

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 7 (firefox) RHSA-2018:2113 2018-06-28
Red Hat Enterprise Linux 7 (thunderbird) RHSA-2018:2252 2018-07-24
Red Hat Enterprise Linux 6 (thunderbird) RHSA-2018:2251 2018-07-24
Red Hat Enterprise Linux 6 (firefox) RHSA-2018:2112 2018-06-28

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 8 thunderbird Not affected

Acknowledgements

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

External References

Last Modified

CVE description copyright © 2017, The MITRE Corporation