Use After Free in Google Chrome
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.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.176 (97.1th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.216 · newest: 0.176 · change: -0.040
Affected products
- Google Chrome — versions unspecified
- Splunk Universal Forwarder — versions 9.1.0
- Xmlsoft Libxslt
- Debian Linux — versions 10.0, 11.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- chromereleases.googleblog.com/2021/07/stable-channel-update-for-desktop.html (Release Notes, Vendor Advisory)
- crbug.com/1219209 (Patch, Issue Tracking, Vendor Advisory)
- www.debian.org/security/2022/dsa-5216 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2022/09/msg00010.html (mailing-list, Mailing List, Third Party Advisory)
- security.gentoo.org/glsa/202310-23 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-30560?
- CVE-2021-30560 is a high-severity vulnerability in Google Chrome, classified under Use After Free. CVSS score: 8.8/10. Published 2021-08-03.
- How severe is CVE-2021-30560?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2021-30560 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.