Vulnerability Details : CVE-2021-30632
Public exploit exists!
Out of bounds write in V8 in Google Chrome prior to 93.0.4577.82 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Products affected by CVE-2021-30632
- cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
CVE-2021-30632 is in the CISA Known Exploited Vulnerabilities Catalog
CISA vulnerability name:
Google Chromium V8 Out-of-Bounds Write Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
Google Chromium V8 Engine contains an out-of-bounds write vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft E
Notes:
https://nvd.nist.gov/vuln/detail/CVE-2021-30632
Added on
2021-11-03
Action due date
2021-11-17
Exploit prediction scoring system (EPSS) score for CVE-2021-30632
83.25%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 99 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-30632
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
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
|
134c704f-9b21-4f2e-91b3-4a467353bcc0 | 2025-01-29 |
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
|
NIST |
CWE ids for CVE-2021-30632
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by:
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
- nvd@nist.gov (Primary)
References for CVE-2021-30632
-
http://packetstormsecurity.com/files/172845/Chrome-JIT-Compiler-Type-Confusion.html
Chrome JIT Compiler Type Confusion ≈ Packet StormThird Party Advisory;VDB Entry
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4DDW7HAHTS3SDVXBQUY4SURELO5D4X7R/
[SECURITY] Fedora 33 Update: chromium-94.0.4606.61-1.fc33 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://crbug.com/1247763
Inloggen - Google AccountsPermissions Required
-
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4DDW7HAHTS3SDVXBQUY4SURELO5D4X7R/
[SECURITY] Fedora 33 Update: chromium-94.0.4606.61-1.fc33 - package-announce - Fedora Mailing-ListsRelease Notes
-
https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop.html
Chrome Releases: Stable Channel Update for DesktopRelease Notes
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PM7MOYYHJSWLIFZ4TPJTD7MSA3HSSLV2/
[SECURITY] Fedora 35 Update: chromium-94.0.4606.61-1.fc35 - package-announce - Fedora Mailing-ListsThird Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PM7MOYYHJSWLIFZ4TPJTD7MSA3HSSLV2/
[SECURITY] Fedora 35 Update: chromium-94.0.4606.61-1.fc35 - package-announce - Fedora Mailing-ListsRelease Notes
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