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CVE-2021-21144
Heap buffer overflow in Tab Groups in Google Chrome prior to 88.0.4324.146 allowed an attacker who convinced a user to install a malicious…
High8.8EPSS 0.88%
- Published
- Updated
- Reserved
- Assigned by
- Chrome
Description
Heap buffer overflow in Tab Groups in Google Chrome prior to 88.0.4324.146 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension.
Timeline
ID reserved
By Chrome
- 50 days later
· 50 days later
Published
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.88% · top 41% of all CVEs (7 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Weakness
- Heap buffer overflow
- CWE-787 (opens in a new tab)All about CWE-787 and its CVEs
Affected products
References (5)
- https://chromereleases.googleblog.com/2021/02/stable-channel-update-for-desktop.html (opens in a new tab)x_refsource_MISCx_transferred
- https://crbug.com/1163845 (opens in a new tab)x_refsource_MISCx_transferred
- FEDORA-2021-05afa65d39 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2021-7fb30b9381 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- GLSA-202104-08 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2021-21144)Record last updated .