Google has patched a critical security vulnerability in a framework that can be triggered with a specially crafted PNG image. The vulnerability affects the Android devices ranging from Android 7.0 to Android 9.0.

The vulnerability associated with the PNG bug can be tracked as (CVE-2019-1986, CVE-2019-1987, CVE-2019-1988). A remote attacker can exploit this bug with user context by sending a trapped image or tricking the user to click on the malicious links.

“The most severe of these issues is a critical security vulnerability in Framework that could allow a remote attacker using a specially crafted PNG file to execute arbitrary code within the context of a privileged process,” reads Android Security Bulletin.

CVE-2019-1986 – Fix uninitialized errors in SkPngCodec
CVE-2019-1987 – Fix heap buffer overflow
CVE-2019-1988 – Fix bug decoding JCS_RGB jpeg files


In total Google has patched 42 vulnerabilities, out of them 11 are critical vulnerabilities, 30 are high and 1 moderate vulnerability.

“Android partners are notified of all issues at least a month before publication. Source code patches for these issues have been released to the Android Open Source Project (AOSP) repository and linked from this bulletin. This bulletin also includes links to patches outside of AOSP.”

Google said there is no reports of active exploitation of this vulnerability or abusing the reported issues. LG and Samsung released security patches addressing all the 42 vulnerabilities.

” LG security updates will include all the security patches released by Google and patches for LG-specific security issues. LG recommends all users update their devices to the latest SW. All SW updates include all the available security patches at the moment of release. “

” Samsung Mobile is releasing a maintenance release for major flagship models as part of monthly Security Maintenance Release (SMR) process. This SMR package includes patches from Google and Samsung. “

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