Out-of-bounds read in Mozilla Firefox - CVE-2018-12366

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Main Vulnerability Database Vulnerabilities #VU13488

Out-of-bounds read in Mozilla Firefox - CVE-2018-12366

Published: June 27, 2018


Vulnerability identifier: #VU13488
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-12366
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to obtain potentially sensitive information.

The weakness exists due to an invalid grid size during QCMS (color profile) transformations. A remote attacker can trigger out-of-bounds read interpreted as a float value and access private data from the output.

Affected software

Mozilla Firefox
Firefox ESR
Gentoo Linux
Arch Linux
Debian Linux
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux for Power
Red Hat Enterprise Linux for ARM
SUSE Linux
Slackware Linux
Opensuse
openSUSE Leap
Mozilla Thunderbird

How to mitigate CVE-2018-12366

Update to version 61.0.

Mozilla Firefox - update to 61.0
Mozilla Thunderbird - update to 60.0

External References

Related Security Bulletins