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CVE-2019-5786: Google Chrome Blink Use-After-Free Vulnerability

criticalknown exploitedpublic exploitCVE-2019-5786
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Google Chrome Blink contains a heap use-after-free vulnerability that allows an attacker to potentially perform out of bounds memory access via a crafted HTML page.

CSIRTS triage

vendor: Googleproduct: ChromeMemory corruption
What
A heap use-after-free vulnerability allows an attacker to potentially perform out of bounds memory access via a crafted HTML page.
Who is affected
Users of Google Chrome with the affected Blink component.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Update to the latest version of Google Chrome.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-05-23
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2019-5786

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2019-5786coverage & exploitation statusNVD · CVE.org

Recent advisories for Google Chrome Blink

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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