8.8

CVE-2021-30514: fedoraproject fedora Use After Free

Modified
AliasesUBUNTU-CVE-2021-30514DEBIAN-CVE-2021-30514
Published 04-06-2021Last modified 03-08-2024

Vulnerability summary

CVE-2021-30514 is a high (CVSS 8.8) Use After Free vulnerability in fedoraproject fedora. EPSS estimates a 1.11% chance of exploitation in the next 30 days, higher than 65.8% of scored vulnerabilities. 1 public exploit is recorded.

Priority
Prioritisepublic exploit

Public exploit (reference, Date unknown)

Source freshness unavailable

How is this decided?
CVSS score
8.8/10
010
High · v3.1 (NVD)
EPSS score
1.11%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 8 · Related 7

Timeline

  1. 04-06-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

Use after free in Autofill in Google Chrome prior to 90.0.4430.212 allowed a remote attacker who had compromised the renderer process to potentially exploit heap corruption via a crafted HTML page.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.11%

Chance of exploitation in the next 30 days

Percentile

66%

Versus all other CVEs

30-day change

No change 0.00 pp

From 1.11% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (crbug.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.

Debian1 product
  • chromium< 90.0.4430.212-1
Fedoraproject1 product
Google1 product
  • chrome≥ unspecified, < 90.0.4430.212 | < 90.0.4430.212
Ubuntu1 product
  • chromium-browser< 91.0.4472.77-0ubuntu0.18.04.1

4 vendors · 4 products

References

8 links