VulnerabilityModified
CVE-2021-21128
Heap buffer overflow in Blink in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
HIGH 8.8EPSS 6.51%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (6.51%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Heap buffer overflow in Blink in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 6.51% probability · 93th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- google/chrome · microsoft/edge chromium
- Source
- chrome-cve-admin@google.com
References
- https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.htmlRelease Notes, Vendor Advisory
- https://crbug.com/1138877Exploit, Issue Tracking, Patch, Vendor Advisory
- https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21128Third Party Advisory
- https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.htmlRelease Notes, Vendor Advisory
- https://crbug.com/1138877Exploit, Issue Tracking, Patch, Vendor Advisory
- https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21128Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.