Security Experts:

Connect with us

Hi, what are you looking for?

SecurityWeekSecurityWeek

Malware & Threats

Google Patches Two More Exploited Zero-Day Vulnerabilities in Chrome

Google on Thursday announced the rollout of a Chrome update to address four security vulnerabilities, including two that are already being exploited in the wild.

Google on Thursday announced the rollout of a Chrome update to address four security vulnerabilities, including two that are already being exploited in the wild.

The exploited vulnerabilities include CVE-2021-37975, a high-severity use-after-free bug in the V8 engine, and CVE-2021-37976, a medium-severity information leak issue in the core. Both were reported last week.

“Google is aware the exploits for CVE-2021-37975 and CVE-2021-37976 exist in the wild,” the Internet search giant says.

Now rolling out to Windows, Mac and Linux users as Chrome version 94.0.4606.71, the new browser iteration also addresses CVE-2021-37974, a high-severity use-after-free in Safe Browsing.

Google says the report for this vulnerability earned the reporting researcher, namely Weipeng Jiang from Codesafe Team of Legendsec at Qi’anxin Group, a $20,000 bug bounty reward.

Exploitation of these vulnerabilities may lead to the execution of arbitrary code in the context of the browser, the Multi-State Information Sharing and Analysis Center (MS-ISAC) warns in an advisory. Successful exploitation may potentially lead to system compromise.

The update comes roughly one week after Google issued an emergency patch for CVE-2021-37973, a high-severity use-after-free issue in the Portals API that was already being exploited in attacks.

With CVE-2021-37975 and CVE-2021-37976, the number of documented zero-day attacks so far in 2021 has been rounded up to 70. Of these, 14 security flaws were found in Google’s Chrome and Android platforms, data reviewed by SecurityWeek shows.

Related: Google Working on Improving Memory Safety in Chrome

Related: Google Warns of Exploited Zero-Days in Chrome Browser

Related: Google Awards Over $130,000 for Flaws Patched With Release of Chrome 93

Written By

Ionut Arghire is an international correspondent for SecurityWeek.

Click to comment

Daily Briefing Newsletter

Subscribe to the SecurityWeek Email Briefing to stay informed on the latest threats, trends, and technology, along with insightful columns from industry experts.

Join this webinar to learn best practices that organizations can use to improve both their resilience to new threats and their response times to incidents.

Register

Join this live webinar as we explore the potential security threats that can arise when third parties are granted access to a sensitive data or systems.

Register

Expert Insights

Related Content

Vulnerabilities

Less than a week after announcing that it would suspended service indefinitely due to a conflict with an (at the time) unnamed security researcher...

Cybercrime

The changing nature of what we still generally call ransomware will continue through 2023, driven by three primary conditions.

Cybercrime

No one combatting cybercrime knows everything, but everyone in the battle has some intelligence to contribute to the larger knowledge base.

Cybercrime

A recently disclosed vBulletin vulnerability, which had a zero-day status for roughly two days last week, was exploited in a hacker attack targeting the...

Application Security

Drupal released updates that resolve four vulnerabilities in Drupal core and three plugins.

Risk Management

The supply chain threat is directly linked to attack surface management, but the supply chain must be known and understood before it can be...

Vulnerabilities

Apple has released updates for macOS, iOS and Safari and they all include a WebKit patch for a zero-day vulnerability tracked as CVE-2023-23529.

Cloud Security

VMware vRealize Log Insight vulnerability allows an unauthenticated attacker to take full control of a target system.