CVE-2019-5786

high KEV

Published 2020-09-02 · Modified 2022-05-23

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CVSS v3

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CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CVSS v4 NEW

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not yet in upstream

VIR risk

10.0

Description

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.

CISA KEV

Vendor: Google
Product: Chrome Blink
Due date: 2022-06-13

Predictions

Exploit likelihood

99%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-46812 remote windows_x86 verified

Metasploit · 2019-05-08

Google Chrome 72.0.3626.119 - 'FileReader' Use-After-Free (Metasploit)

Source code queued for fetch — refresh in a moment.

Metasploit modules

exploit_windows/browser/chrome_filereader_uaf rank

Chrome 72.0.3626.119 FileReader UaF exploit for Windows 7 x86

Source fetch failed: fetch_error — view the original via the link above.

OS impact

Arch Fixed 1 release

Version	Status	Fixed in
—	Fixed	`72.0.3626.121-1`

Debian Fixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`72.0.3626.121-1`
sid	Fixed	`72.0.3626.121-1`
forky	Fixed	`72.0.3626.121-1`
bullseye	Fixed	`72.0.3626.121-1`
bookworm	Fixed	`72.0.3626.121-1`

Package impact

Ecosystem	Package	Vulnerable	Fixed
npm	puppeteer	`<1.13.0`	`1.13.0`

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.