CVE-2019-13735 — Out of bounds write in JavaScript in Google Chrome prior to 79

Out of bounds write in JavaScript in Google Chrome prior to 79.0.3945.79 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.

01What is this vulnerability?

Out of bounds write in JavaScript in Google Chrome prior to 79.0.3945.79 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.

02Affected products

Vendor	Product	Versions
Google	Chrome	unspecified

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2019-12-10T21:01:45.000Z
• Last modified: 2024-08-05T00:05:43.650Z

09References

• chromereleases.googleblog.com — https://chromereleases.googleblog.com/2019/12/stable-channel-update-for-desktop.…
• crbug.com — https://crbug.com/1025468
• access.redhat.com — https://access.redhat.com/errata/RHSA-2019:4238
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00032.html
• lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00036.html
• lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
• seclists.org — https://seclists.org/bugtraq/2020/Jan/27
• www.debian.org — https://www.debian.org/security/2020/dsa-4606
• security.gentoo.org — https://security.gentoo.org/glsa/202003-08