8.8

CVE-2021-30625: fedoraproject fedora Use After Free

Modified
AliasesUBUNTU-CVE-2021-30625DEBIAN-CVE-2021-30625ALPINE-CVE-2021-30625
Published 08-10-2021Last modified 03-08-2024

Vulnerability summary

CVE-2021-30625 is a high (CVSS 8.8) Use After Free vulnerability in fedoraproject fedora. EPSS estimates a 10.13% chance of exploitation in the next 30 days, higher than 95.6% 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
10.13%
0%100%
Medium · 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 9 · Related 8
MGASA-2022-0050OPENSUSE-SU-2021:1300-1OPENSUSE-SU-2021:1303-1OPENSUSE-SU-2021:1330-1OPENSUSE-SU-2022:0070-1OPENSUSE-SU-2022:0110-1

Timeline

  1. 08-10-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

Use after free in Selection API in Google Chrome prior to 93.0.4577.82 allowed a remote attacker who convinced the user the visit a malicious website to potentially exploit heap corruption via a crafted HTML page.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

10.13%

Chance of exploitation in the next 30 days

Percentile

96%

Versus all other CVEs

30-day change

No change 0.00 pp

From 10.13% 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 (talosintelligence.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.

Alpine2 products
  • chromium< 93.0.4577.82-r0
  • qt5-qtwebengine< 5.15.3_git20211006-r0
Debian1 product
  • chromium< 93.0.4577.82-1
Fedoraproject1 product
Google1 product
  • chrome≥ unspecified, < 93.0.4577.82 | < 93.0.4577.82
Ubuntu1 product
  • chromium-browser< 94.0.4606.71-0ubuntu0.18.04.1

5 vendors · 6 products

References

9 links