CVE-2021-21775

A use-after-free vulnerability exists in the way certain events are processed for ImageLoader objects of Webkit WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. In order to trigger the vulnerability, a victim must be tricked into visiting a malicious webpage.

CVSS v3.1

8.0 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

CVSS v3.0

6.8 MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:L

CVSS v2.0

6.0 MEDIUMAV:N/AC:M/Au:S/C:P/I:P/A:P

EPSS

1.26% chance of exploitation in the next 30 days, 68th percentile

Published

2021-07-07

Updated

2024-08-03

Proof-of-concept exploits (1)

• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1229

References

• CVE Record
• NVD entry

Related

• CVE-2021-21773
• CVE-2021-21776
• CVE-2021-21772
• CVE-2021-21777
• CVE-2021-2175
• CVE-2021-21778