8.8

CVE-2021-37970: debian debian_linux Use After Free

CVSS: 8.8v3.1HighModified
AliasesUBUNTU-CVE-2021-37970DEBIAN-CVE-2021-37970
Published 08-10-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2021-37970 is a high (CVSS 8.8) Use After Free vulnerability in debian debian_linux. EPSS estimates a 1.45% chance of exploitation in the next 30 days, higher than 73% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
45/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (NVD)
EPSS score
1.45%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 5 · Related 4
DSA-5046-1OPENSUSE-SU-2021:1339-1OPENSUSE-SU-2021:1350-1OPENSUSE-SU-2024:11555-1OPENSUSE-SU-2024:12948-1

Timeline

  1. 08-10-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Use after free in File System API in Google Chrome prior to 94.0.4606.54 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.45%

Chance of exploitation in the next 30 days

Percentile

73%

Versus all other CVEs

30-day change

0.00 pp

From 1.45% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.45%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (crbug.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian2 products
Fedoraproject1 product
Google1 product
  • chrome≥ unspecified, < 94.0.4606.54 | < 94.0.4606.54
Ubuntu1 product
  • chromium-browser< 94.0.4606.71-0ubuntu0.18.04.1

4 vendors · 5 products

References

8 links