What’s Vulnerable › Vulnerabilities

CVE-2018-18338

• Severity: high (CVSS 8.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-12-11 · updated 2026-06-17
• Weakness: CWE-787

Description

Incorrect, thread-unsafe use of SkImage in Canvas in Google Chrome prior to 71.0.3578.80 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Affected products

• Debian Linux: 9.0
• Google Chrome: before 71.0.3578.80 — fixed in 71.0.3578.80
• RedHat Linux Desktop: 6.0
• RedHat Linux Server: 6.0
• RedHat Linux Workstation: 6.0

How to fix

Upgrade to a fixed version: Google Chrome 71.0.3578.80. Check the vendor advisory for mitigations.

References

• http://www.securityfocus.com/bid/106084
• https://access.redhat.com/errata/RHSA-2018:3803
• https://chromereleases.googleblog.com/2018/12/stable-channel-update-for-desktop.html
• https://crbug.com/890576
• https://security.gentoo.org/glsa/201908-18
• https://www.debian.org/security/2018/dsa-4352
• http://www.securityfocus.com/bid/106084
• https://access.redhat.com/errata/RHSA-2018:3803
• https://chromereleases.googleblog.com/2018/12/stable-channel-update-for-desktop.html
• https://crbug.com/890576
• https://security.gentoo.org/glsa/201908-18
• https://www.debian.org/security/2018/dsa-4352

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