9.6

CVE-2021-38013: debian debian_linux Out-of-bounds Write

CVSS: 9.6v3.1CriticalModified
AliasesUBUNTU-CVE-2021-38013DEBIAN-CVE-2021-38013
Published 23-12-2021Last modified 04-08-2024

Vulnerability summary

CVE-2021-38013 is a critical (CVSS 9.6) Out-of-bounds Write vulnerability in debian debian_linux. EPSS estimates a 1.04% chance of exploitation in the next 30 days, higher than 63.2% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.6/10
010
Critical · v3.1 (NVD)
EPSS score
1.04%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 7 · Related 6

Timeline

  1. 23-12-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Heap buffer overflow in fingerprint recognition in Google Chrome on ChromeOS prior to 96.0.4664.45 allowed a remote attacker who had compromised a WebUI renderer process to potentially perform a sandbox escape via a crafted HTML page.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.04%

Chance of exploitation in the next 30 days

Percentile

63%

Versus all other CVEs

30-day change

+0.03 pp

From 1.00% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.04%

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, < 96.0.4664.45 | < 96.0.4664.45
Ubuntu1 product
  • chromium-browser< 97.0.4692.71-0ubuntu0.18.04.1

4 vendors · 5 products

References

7 links