Is CVE-2023-40451 in the CISA KEV catalog?

No. CVE-2023-40451 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-40451?

CVE-2023-40451 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2023-40451?

CVE-2023-40451 has an EPSS score of 0.96% (57th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-40451?

Upgrade webkit2gtk on debian 11 to 2.40.5-1~deb11u1 or later. Fixes are available for 32 affected products.

CVE & CISA-KEV Catalog

CVE-2023-40451

HIGH

8.8

CVSS v3

NVD

Description

This issue was addressed with improved iframe sandbox enforcement. This issue is fixed in Safari 17. An attacker with JavaScript execution may be able to execute arbitrary code.

How to fix

Remediation Available

webkit2gtkDebian

Fixed in:2.40.5-1~deb11u1CVE-2023-40451

Fixed in:2.40.5-1~deb12u1CVE-2023-40451

Fixed in:2.40.5-1CVE-2023-40451

webkit2gtk3Rocky

Fixed in:0:2.40.5-1.el8RHSA-2023:7055

Fixed in:0:2.40.5-1.el9RHSA-2023:6535

webkit2gtk3Red Hat / RHEL

Fixed in:0:2.40.5-1.el8RHSA-2023:7055

Fixed in:0:2.40.5-1.el9RHSA-2023:6535

webkit2gtk3-debuginfoRed Hat / RHEL

Fixed in:0:2.40.5-1.el8RHSA-2023:7055

Fixed in:0:2.40.5-1.el9RHSA-2023:6535

webkit2gtk3-debuginfoRocky

Fixed in:0:2.40.5-1.el8RHSA-2023:7055

Fixed in:0:2.40.5-1.el9RHSA-2023:6535

webkit2gtk3-debugsourceRocky

Fixed in:0:2.40.5-1.el8RHSA-2023:7055

Fixed in:0:2.40.5-1.el9RHSA-2023:6535

webkit2gtk3-debugsourceRed Hat / RHEL

Fixed in:0:2.40.5-1.el8RHSA-2023:7055

Fixed in:0:2.40.5-1.el9RHSA-2023:6535

webkit2gtk3-develRocky

Fixed in:0:2.40.5-1.el8RHSA-2023:7055

Fixed in:0:2.40.5-1.el9RHSA-2023:6535

webkit2gtk3-develRed Hat / RHEL

Fixed in:0:2.40.5-1.el8RHSA-2023:7055

Fixed in:0:2.40.5-1.el9RHSA-2023:6535

webkit2gtk3-devel-debuginfoRocky

Fixed in:0:2.40.5-1.el8RHSA-2023:7055

Fixed in:0:2.40.5-1.el9RHSA-2023:6535

webkit2gtk3-devel-debuginfoRed Hat / RHEL

Fixed in:0:2.40.5-1.el8RHSA-2023:7055

Fixed in:0:2.40.5-1.el9RHSA-2023:6535

webkit2gtk3-jscRed Hat / RHEL

Fixed in:0:2.40.5-1.el8RHSA-2023:7055

Fixed in:0:2.40.5-1.el9RHSA-2023:6535

webkit2gtk3-jscRocky

Fixed in:0:2.40.5-1.el8RHSA-2023:7055

Fixed in:0:2.40.5-1.el9RHSA-2023:6535

webkit2gtk3-jsc-debuginfoRed Hat / RHEL

Fixed in:0:2.40.5-1.el8RHSA-2023:7055

Fixed in:0:2.40.5-1.el9RHSA-2023:6535

webkit2gtk3-jsc-debuginfoRocky

Fixed in:0:2.40.5-1.el8RHSA-2023:7055

Fixed in:0:2.40.5-1.el9RHSA-2023:6535

webkit2gtk3-jsc-develRed Hat / RHEL

Fixed in:0:2.40.5-1.el8RHSA-2023:7055

Fixed in:0:2.40.5-1.el9RHSA-2023:6535

webkit2gtk3-jsc-develRocky

Fixed in:0:2.40.5-1.el8RHSA-2023:7055

Fixed in:0:2.40.5-1.el9RHSA-2023:6535

webkit2gtk3-jsc-devel-debuginfoRed Hat / RHEL

Fixed in:0:2.40.5-1.el8RHSA-2023:7055

Fixed in:0:2.40.5-1.el9RHSA-2023:6535

webkit2gtk3-jsc-devel-debuginfoRocky

Fixed in:0:2.40.5-1.el8RHSA-2023:7055

Fixed in:0:2.40.5-1.el9RHSA-2023:6535

webkitgtk4Red Hat / RHEL

Fixed in:0:2.48.3-2.el7_9RHSA-2025:10364

webkitgtk4Rocky

Fixed in:0:2.48.3-2.el7_9RHSA-2025:10364

webkitgtk4-debuginfoRocky

Fixed in:0:2.48.3-2.el7_9RHSA-2025:10364

webkitgtk4-debuginfoRed Hat / RHEL

Fixed in:0:2.48.3-2.el7_9RHSA-2025:10364

webkitgtk4-develRocky

Fixed in:0:2.48.3-2.el7_9RHSA-2025:10364

webkitgtk4-develRed Hat / RHEL

Fixed in:0:2.48.3-2.el7_9RHSA-2025:10364

webkitgtk4-docRed Hat / RHEL

Fixed in:0:2.48.3-2.el7_9RHSA-2025:10364

webkitgtk4-docRocky

Fixed in:0:2.48.3-2.el7_9RHSA-2025:10364

webkitgtk4-jscRocky

Fixed in:0:2.48.3-2.el7_9RHSA-2025:10364

webkitgtk4-jscRed Hat / RHEL

Fixed in:0:2.48.3-2.el7_9RHSA-2025:10364

webkitgtk4-jsc-develRed Hat / RHEL

Fixed in:0:2.48.3-2.el7_9RHSA-2025:10364

webkitgtk4-jsc-develRocky

Fixed in:0:2.48.3-2.el7_9RHSA-2025:10364

SafariWindows application

Affected:17.0Fixed in:17.0Apple Inc.

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.96%probability of exploitation in 30 days

57thpercentile

Moderate risk: more likely to be exploited than 57% of all known CVEs.

References

Vendor Advisory1

support.apple.com

Third-Party Advisory1

seclists.org

Mailing List1

openwall.com

Other references2

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.