8.8

CVE-2021-37997: debian debian_linux Use After Free

CVSS: 8.8v3.1HighModified
AliasesUBUNTU-CVE-2021-37997DEBIAN-CVE-2021-37997
Published 23-11-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2021-37997 is a high (CVSS 8.8) Use After Free vulnerability in debian debian_linux. EPSS estimates a 0.97% chance of exploitation in the next 30 days, higher than 61.4% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (NVD)
EPSS score
0.97%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 6 · Related 5
DSA-5046-1OPENSUSE-SU-2021:1462-1OPENSUSE-SU-2022:0047-1OPENSUSE-SU-2022:0110-1OPENSUSE-SU-2024:11604-1OPENSUSE-SU-2024:12948-1

Timeline

  1. 23-11-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Use after free in Sign-In in Google Chrome prior to 95.0.4638.69 allowed a remote attacker who convinced a user to sign into Chrome to potentially exploit heap corruption via a crafted HTML page.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.97%

Chance of exploitation in the next 30 days

Percentile

61%

Versus all other CVEs

30-day change

0.00 pp

From 0.97% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.97%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian2 products
Fedoraproject1 product
Google1 product
  • chrome≥ unspecified, < 95.0.4638.69 | < 95.0.4638.69
Ubuntu1 product
  • chromium-browser< 95.0.4638.69-0ubuntu0.18.04.1

4 vendors · 5 products

References

7 links