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Highest advisory severityMedium 1 vendor · 1 advisory

CVE-2026-43716

Maliciously crafted web content may cause unexpected process crash

CVE-2026-43716: Maliciously crafted web content may cause unexpected process crash. Not in the CISA KEV catalog. Medium advisory severity (CVSS 6.5, Red Hat).

Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.

NVD detail CVE.org

CVE-2026-43716 at a glance

CISA KEV
Not listed (catalog checked )
Highest advisory severity
Medium
CVSS base score
6.5 (Red Hat)
CVSS vector
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H (Red Hat)
Weakness
CWE-416
Fixed releases
  • Red Hat: 26.5.2, webkitgtk4-0:2.52.5-1.el7_9, webkit2gtk3-0:2.52.5-1.el8_10, webkit2gtk3-0:2.54.0-1.el8_10, webkit2gtk3-0:2.52.5-1.el8_4, webkit2gtk3-0:2.52.5-1.el8_6 and 15 more in the advisory
Vendor advisories
1 from Red Hat
VulniPulse record
Published · Updated

Scores, vectors, weaknesses and fixed releases are quoted from vendor advisories that cover only CVE-2026-43716; bulletin-wide values are not repeated here.

Is CVE-2026-43716 exploited?

No exploitation is reported in the sources VulniPulse tracks: CVE-2026-43716 is not in the CISA KEV catalog (checked ) and no tracked advisory for it reports exploitation. That is not proof the vulnerability cannot be exploited.

How do I fix CVE-2026-43716?

Upgrade to a fixed release named by the vendor:

  • Red Hat: 26.5.2, webkitgtk4-0:2.52.5-1.el7_9, webkit2gtk3-0:2.52.5-1.el8_10, webkit2gtk3-0:2.54.0-1.el8_10, webkit2gtk3-0:2.52.5-1.el8_4, webkit2gtk3-0:2.52.5-1.el8_6

Vendor advisory comparison

Red Hat

1 advisory
  • Advisory severityMedium6.5

    Medium [CVE-2026-43716] Maliciously crafted web content may cause unexpected process crash

    CVE-2026-43716Source published Source updated

    The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted web content may lead to an unexpected Safari crash. A flaw was found in WebKitGTK. Red Hat severity: Moderate — CVSS 6.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H). Weakness: CWE-416. Affected Red Hat products: Red Hat Enterprise Linux 7 Extended Lifecycle Support; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On; Red Hat Enterprise Linux 8.8…

    Affected products in this advisory
    • Red Hat Enterprise Linux 7 Extended Lifecycle Support
    • Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
    • Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
    • Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support

    11 more entries in the full advisory.

    Source-reported affected versions
    Affected-version details not available in this record.
    Source-reported fixed versions
    • 26.5.2
    • webkitgtk4-0:2.52.5-1.el7_9
    • webkit2gtk3-0:2.52.5-1.el8_10
    • webkit2gtk3-0:2.54.0-1.el8_10

    17 more entries in the full advisory.

    Mitigation guidance
    No mitigation guidance extracted; consult the source.
    Full advisory and evidenceOpen source bulletin

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