CVE-2021-21150: Use after free in Downloads
First published: Fri Jan 29 2021(Updated: )
Use after free in Downloads in Google Chrome on Windows prior to 88.0.4324.182 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.
Credit: chrome-cve-admin@google.com Woojin Oh @pwn_expoit STEALIEN
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/chromium | 90.0.4430.212-1~deb10u1 116.0.5845.180-1~deb11u1 118.0.5993.70-1~deb11u1 116.0.5845.180-1~deb12u1 118.0.5993.70-1~deb12u1 118.0.5993.70-1 | |
| Google Chrome (Trace Event) | <88.0.4324.182 | 88.0.4324.182 |
| Google Chrome (Trace Event) | <88.0.4324.182 | |
| Microsoft Windows | ||
| Fedora | =32 | |
| Fedora | =33 |
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Reference Links
- https://security-tracker.debian.org/tracker/CVE-2021-21150
- https://chromereleases.googleblog.com/2021/02/stable-channel-update-for-desktop_16.html (Advisory)
- https://crbug.com/1172192
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BI6ZIJQYP5DFMYVX4J5OGOU2NQLEZ3SB/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FE5SIKEVYTMDCC5OSXGOM2KRPYLHYMQX/
- https://security.gentoo.org/glsa/202104-08
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BI6ZIJQYP5DFMYVX4J5OGOU2NQLEZ3SB/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FE5SIKEVYTMDCC5OSXGOM2KRPYLHYMQX/
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is the severity of CVE-2021-21150?
CVE-2021-21150 has been classified as a high-severity vulnerability.
How do I fix CVE-2021-21150?
To fix CVE-2021-21150, upgrade Google Chrome to version 88.0.4324.182 or later.
What platforms are affected by CVE-2021-21150?
CVE-2021-21150 affects Google Chrome on Windows and various versions of Fedora.
Can CVE-2021-21150 lead to a sandbox escape?
Yes, CVE-2021-21150 could potentially allow a remote attacker to perform a sandbox escape.
What type of vulnerability is CVE-2021-21150?
CVE-2021-21150 is categorized as a use after free vulnerability in the Downloads feature of Google Chrome.
- collector/security-tracker-debian
- agent/type
- agent/remedy
- collector/mitre-cve
- source/MITRE
- agent/weakness
- agent/references
- agent/last-modified-date
- agent/description
- agent/author
- agent/severity
- agent/title
- agent/first-publish-date
- agent/event
- agent/trending
- agent/source
- agent/softwarecombine
- agent/tags
- collector/chrome-releases
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- collector/nvd-index
- package-manager/debian
- vendor/google
- canonical/google chrome (trace event)
- vendor/microsoft
- canonical/microsoft windows
- vendor/fedoraproject
- canonical/fedora
- version/fedora/32
- version/fedora/33