CVE-2021-30521: Heap buffer overflow in Autofill
First published: Thu May 13 2021(Updated: )
Heap buffer overflow in Autofill in Google Chrome on Android prior to 91.0.4472.77 allowed a remote attacker to perform out of bounds memory access via a crafted HTML page.
Credit: chrome-cve-admin@google.com ZhanJia Song
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Google Chrome (Trace Event) | <91.0.4472.77 | 91.0.4472.77 |
| Google Chrome (Trace Event) | <91.0.4472.77 | |
| Android | ||
| Fedora | =33 | |
| Fedora | =34 |
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Reference Links
- https://chromereleases.googleblog.com/2021/05/stable-channel-update-for-desktop_25.html (Advisory)
- https://crbug.com/1208721
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54/
- https://security.gentoo.org/glsa/202107-06
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43/
Peer vulnerabilities
(Found alongside the following vulnerabilities)
- CVE-2021-30522
- CVE-2021-30523
- CVE-2021-30524
- CVE-2021-30525
- CVE-2021-30526
- CVE-2021-30527
- CVE-2021-30528
- CVE-2021-4322
- CVE-2021-30529
- CVE-2021-30530
- CVE-2021-30531
- CVE-2021-30532
- CVE-2021-30533
- CVE-2021-30534
- CVE-2021-30535
- CVE-2021-30542
- CVE-2021-30543
- CVE-2021-30558
- CVE-2021-30536
- CVE-2021-30537
- CVE-2021-30538
- CVE-2021-30539
- CVE-2021-30540
- CVE-2021-4321
Frequently Asked Questions
What is the severity of CVE-2021-30521?
CVE-2021-30521 is considered a high-severity vulnerability due to the potential for remote code execution.
How do I fix CVE-2021-30521?
To fix CVE-2021-30521, update Google Chrome to version 91.0.4472.77 or later.
Who is affected by CVE-2021-30521?
CVE-2021-30521 affects users of Google Chrome on Android devices running versions prior to 91.0.4472.77.
What type of vulnerability is CVE-2021-30521?
CVE-2021-30521 is classified as a heap buffer overflow vulnerability.
Can exploiting CVE-2021-30521 lead to data theft?
Yes, exploiting CVE-2021-30521 could potentially allow attackers to access sensitive data on affected devices.
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- agent/softwarecombine
- collector/chrome-releases
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- collector/nvd-index
- vendor/google
- canonical/google chrome (trace event)
- canonical/android
- vendor/fedoraproject
- canonical/fedora
- version/fedora/33
- version/fedora/34