Buffer overflow in Webkitgtk
CVE-2019-8720
A vulnerability was found in WebKit. The flaw is triggered when processing maliciously crafted web content that may lead to arbitrary code execution. Improved memory handling addresses the multiple memory corruption issues.
Vulnerability class: Buffer Overflow
EPSS: 0.015 (72.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Webkitgtk
- Wpewebkit Wpe_webkit
- Redhat Codeready_linux_builder — versions 8.0
- Redhat Codeready_linux_builder_eus — versions 8.4, 8.6
- Redhat Codeready_linux_builder_for_arm64_eus — versions 8.0, 8.4, 8.6
- Redhat Codeready_linux_builder_for_ibm_z_systems_eus — versions 8.0, 8.4, 8.6
- Redhat Codeready_linux_builder_for_power_little_endian_eus — versions 8.0, 8.4, 8.6
- Redhat Enterprise_linux — versions 8.0
- Redhat Enterprise_linux_desktop — versions 7.0
- Redhat Enterprise_linux_eus — versions 8.4, 8.6
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Public proof-of-concept exploits
References
- secalert@redhat.com (Third Party Advisory, Issue Tracking)
- secalert@redhat.com (Vendor Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2019-8720?
- CVE-2019-8720 is a high-severity vulnerability in Webkitgtk, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2023-03-06.
- How severe is CVE-2019-8720?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2019-8720 known to be exploited?
- Yes. CVE-2019-8720 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-05-23), indicating it is being actively exploited. 3 public proof-of-concept repositories are indexed.