Skip to main content
MEDIUM CISA KEV

CVE-2023-42916

CVSS v3

6.5

MEDIUM

EPSS Score

17.8 %

exploit probability, as of 2026-10-19

CISA KEV

Yes

known exploited

Exploitation

—

SSVC status

Get an alert for each new CVE published for webkitgtk.

Set up CVE WatchFree account · no credit card

Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • CVE-2023-42916 Red Hat Product Security105 products fixed · 9 known affected

    webkitgtk: Out-of-bounds read leads to sensitive data leak

    webkitgtk as a component of Red Hat Enterprise Linux 6 · webkitgtk-devel as a component of Red Hat Enterprise Linux 6 · webkitgtk-doc as a component of Red Hat Enterprise Linux 6

  • RHSA-2025:10364 Red Hat Product Security13 products fixed

    Red Hat Security Advisory: webkitgtk4 security update

  • RHSA-2023:4201 Red Hat Product Security46 products fixed

    Red Hat Security Advisory: webkit2gtk3 security update

  • RHSA-2023:4202 Red Hat Product Security46 products fixed

    Red Hat Security Advisory: webkit2gtk3 security update

Full record on NVD

Description

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 17.1.2 and iPadOS 17.1.2, macOS Sonoma 14.1.2, Safari 17.1.2. Processing web content may disclose sensitive information. Apple is aware of a report that this issue may have been exploited against versions of iOS before iOS 16.7.1.

CISA Known Exploited Vulnerability

Date Added
2023-12-04
Patch Due Date
2023-12-25
Ransomware Use
Unknown

Technical details

Published
2023-11-30

Frequently asked questions

What is CVE-2023-42916?

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 17.1.2 and iPadOS 17.1.2, macOS Sonoma 14.1.2, Safari 17.1.2. Processing web content may disclose sensitive information. Apple is aware of a report that this issue may have been exploited against versions of iOS before iOS 16.7.1.

Is CVE-2023-42916 actively exploited?

Yes. CVE-2023-42916 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2023-12-25.

What is the CVSS score for CVE-2023-42916?

CVE-2023-42916 has a CVSS v3 base score of 6.5 (MEDIUM severity).

Running webkitgtk? Hear about its next vulnerability

CVE Watch matches each new CVE to the vendors and products you list (vendor and product, not the version) and puts it in your alerts with its KEV and EPSS status.

Get alerts for this productCISA KEV additions, December 2023Search CVEs

Already have an account? Open CVE WatchNo credit card required · No monthly cap on website lookups · 250 API requests/month

Go further

Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

Back to CVE Database