CVE-2021-30560
Use after free in Blink XSLT in Google Chrome prior to 91.0.4472.164 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 17.6%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
Description
Use after free in Blink XSLT in Google Chrome prior to 91.0.4472.164 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
- 17.63% probability · 97th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- google/chrome · xmlsoft/libxslt · debian/debian linux · splunk/universal forwarder
- Source
- chrome-cve-admin@google.com
EPSS moved from 17.6% on 24 September 2026 to 17.6% on 26 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- https://chromereleases.googleblog.com/2021/07/stable-channel-update-for-desktop.htmlRelease Notes, Vendor Advisory
- https://crbug.com/1219209Issue Tracking, Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2022/09/msg00010.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202310-23Third Party Advisory
- https://www.debian.org/security/2022/dsa-5216Third Party Advisory
- https://chromereleases.googleblog.com/2021/07/stable-channel-update-for-desktop.htmlRelease Notes, Vendor Advisory
- https://crbug.com/1219209Issue Tracking, Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2022/09/msg00010.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202310-23Third Party Advisory
- https://www.debian.org/security/2022/dsa-5216Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.