Vulnerability Details : CVE-2021-21159
Heap buffer overflow in TabStrip in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Vulnerability category: Overflow
Exploit prediction scoring system (EPSS) score for CVE-2021-21159
Probability of exploitation activity in the next 30 days: 0.49%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 73 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2021-21159
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Source |
---|---|---|---|---|---|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
[email protected] |
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
[email protected] |
CWE ids for CVE-2021-21159
-
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.Assigned by: [email protected] (Primary)
References for CVE-2021-21159
-
https://crbug.com/1171049
Exploit;Issue Tracking;Patch;Permissions Required;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/[email protected]/message/BBT54RKAE5XLMWSHLVUKJ7T2XHHYMXLH/
Mailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/[email protected]/message/LCIDZ77XUDMB2EBPPWCQXPEIJERDNSNT/
Mailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/[email protected]/message/FE5SIKEVYTMDCC5OSXGOM2KRPYLHYMQX/
Mailing List;Third Party Advisory
-
https://www.debian.org/security/2021/dsa-4886
Third Party Advisory
-
https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop.html
Release Notes;Vendor Advisory
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https://security.gentoo.org/glsa/202104-08
Third Party Advisory
Products affected by CVE-2021-21159
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*