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CVE-2026-43670

CVE-2026-43670

This page contains facts from public vulnerability sources. Check the original advisory before updating.

A Content Security Policy bypass was addressed with improved enforcement in AudioWorklet contexts. This issue is fixed in Safari 26.5, iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5. Processing maliciously crafted web content may bypass Content Security Policy.

CVSS 8.8 · High · EPSS 0.2% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • safari

    Versions
    • ≥ 0, < 26.5: Affected (custom)

    Update to 26.5

  • ios and ipados

    Versions
    • ≥ 0, < 18.7.9: Affected (custom)
    • ≥ 0, < 26.5: Affected (custom)

    Update to 18.7.9

  • macos

    Versions
    • ≥ 0, < 26.5: Affected (custom)

    Update to 26.5

  • webkit2gtk Debian:12

    Versions
    • 2.40.1-1
    • 2.40.2-1
    • 2.40.2-1~deb11u1
    • 2.40.2-1~deb12u1
    • 2.40.3-1
    • 2.40.3-2
    • 2.40.3-2~deb11u1
    • 2.40.3-2~deb11u2
    • 2.40.3-2~deb12u1
    • 2.40.3-2~deb12u2
    • 2.40.4-1
    • 2.40.5-1
    • 2.40.5-1~deb11u1
    • 2.40.5-1~deb12u1
    • 2.41.4-1
    • 2.41.5-1
    • 2.41.6-1
    • 2.41.90-1
    • 2.41.91-1
    • 2.41.91-2
    • 2.41.92-1
    • 2.42.0-1
    • 2.42.0-1~bpo12+1
    • 2.42.1-1
    • 2.42.1-1~bpo12+1
    • 2.42.1-1~deb11u1
    • 2.42.1-1~deb11u2
    • 2.42.1-1~deb12u1
    • 2.42.1-2
    • 2.42.2-1
    • 2.42.2-1~deb11u1
    • 2.42.2-1~deb12u1
    • 2.42.3-1
    • 2.42.3-1~deb11u1
    • 2.42.3-1~deb12u1
    • 2.42.4-1
    • 2.42.4-1~deb11u1
    • 2.42.4-1~deb12u1
    • 2.42.5-1
    • 2.42.5-1~deb11u1
    • 2.42.5-1~deb12u1
    • 2.42.5-2
    • 2.43.1-1
    • 2.43.2-1
    • 2.43.3-1
    • 2.43.4-1
    • 2.43.4-2
    • 2.44.0-1
    • 2.44.0-2
    • 2.44.1-1
    • 2.44.1-1~deb11u1
    • 2.44.1-1~deb12u1
    • 2.44.2-1
    • 2.44.2-1~deb11u1
    • 2.44.2-1~deb12u1
    • 2.44.3-1
    • 2.44.3-1~deb11u1
    • 2.44.3-1~deb12u1
    • 2.44.4-1
    • 2.45.1-1
    • 2.45.1-2
    • 2.45.2-1
    • 2.45.3-1
    • 2.45.4-1
    • 2.45.5-1
    • 2.45.6-1
    • 2.45.91-1
    • 2.45.92-1
    • 2.46.0-1
    • 2.46.0-2
    • 2.46.0-2~deb12u1
    • 2.46.1-1
    • 2.46.1-2
    • 2.46.1-2~bpo12+1
    • 2.46.2-1
    • 2.46.3-1
    • 2.46.3-1~deb11u1
    • 2.46.3-1~deb11u2
    • 2.46.3-1~deb12u1
    • 2.46.4-1
    • 2.46.4-1~deb11u1
    • 2.46.4-1~deb12u1
    • 2.46.5-1
    • 2.46.5-1+hurd.1
    • 2.46.5-1+hurd.2
    • 2.46.5-1~deb11u1
    • 2.46.5-1~deb12u1
    • 2.46.6-1
    • 2.46.6-1~deb11u1
    • 2.46.6-1~deb12u1
    • 2.47.1-1
    • 2.47.2-1
    • 2.47.3-1
    • 2.47.4-1
    • 2.47.90-1
    • 2.48.0-1
    • 2.48.0-1+alpha
    • 2.48.0-1+hurd.1
    • 2.48.0-1+hurd.2
    • 2.48.0-1~deb12u1
    • 2.48.1-1
    • 2.48.1-2
    • 2.48.1-2~deb12u1
    • 2.48.1-3
    • 2.48.2-1
    • 2.48.3-1
    • 2.48.3-1~deb11u1
    • 2.48.3-1~deb12u1
    • 2.48.5-1
    • 2.48.5-1~deb11u1
    • 2.48.5-1~deb12u1
    • 2.48.5-1~deb13u1
    • 2.48.6-1
    • 2.49.90-1
    • 2.50.0-1
    • 2.50.0-2
    • 2.50.1-1
    • 2.50.1-1~deb11u1
    • 2.50.1-1~deb12u1
    • 2.50.1-1~deb13u1
    • 2.50.2-1
    • 2.50.2-1~deb11u1
    • 2.50.2-1~deb12u1
    • 2.50.2-1~deb13u1
    • 2.50.3-1
    • 2.50.3-1+hurd.1
    • 2.50.3-1~deb11u1
    • 2.50.3-1~deb12u1
    • 2.50.3-1~deb13u1
    • 2.50.4-1
    • 2.50.4-1~deb11u1
    • 2.50.4-1~deb12u1
    • 2.50.4-1~deb13u1
    • 2.50.5-1
    • 2.50.6-1
    • 2.50.6-1~deb11u1
    • 2.50.6-1~deb12u1
    • 2.50.6-1~deb12u2
    • 2.50.6-1~deb13u1
    • 2.51.1-1
    • 2.51.2-1
    • 2.51.3-1
    • 2.51.4-1
    • 2.51.90-1
    • 2.51.91-1
    • 2.51.92-1
    • 2.51.93-1
    • 2.52.0-1
    • 2.52.1-1
    • 2.52.2-1
    • 2.52.2-2
    • 2.52.3-1
    • 2.52.3-2
    • 2.52.3-2~deb13u1
    • 2.52.4-1
    • 2.52.5-1
    • 2.52.5-1~deb13u1
    • 2.52.6-1
    • 2.52.6-1~deb13u1
    • 2.53.1-1
    • 2.53.2-1
    • 2.53.3-1
    • 2.53.4-1
    • 2.53.90-1
    • 2.53.91-1
    • 2.53.92-1
    • 2.54.0-1~deb13u1
    • 2.54.0-1~exp1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • webkit2gtk Debian:13

    Versions
    • 2.48.3-1
    • 2.48.5-1
    • 2.48.5-1~deb11u1
    • 2.48.5-1~deb12u1
    • 2.48.5-1~deb13u1
    • 2.48.6-1
    • 2.49.90-1
    • 2.50.0-1
    • 2.50.0-2
    • 2.50.1-1
    • 2.50.1-1~deb11u1
    • 2.50.1-1~deb12u1
    • 2.50.1-1~deb13u1
    • 2.50.2-1
    • 2.50.2-1~deb11u1
    • 2.50.2-1~deb12u1
    • 2.50.2-1~deb13u1
    • 2.50.3-1
    • 2.50.3-1+hurd.1
    • 2.50.3-1~deb11u1
    • 2.50.3-1~deb12u1
    • 2.50.3-1~deb13u1
    • 2.50.4-1
    • 2.50.4-1~deb11u1
    • 2.50.4-1~deb12u1
    • 2.50.4-1~deb13u1
    • 2.50.5-1
    • 2.50.6-1
    • 2.50.6-1~deb11u1
    • 2.50.6-1~deb12u1
    • 2.50.6-1~deb12u2
    • 2.50.6-1~deb13u1
    • 2.51.1-1
    • 2.51.2-1
    • 2.51.3-1
    • 2.51.4-1
    • 2.51.90-1
    • 2.51.91-1
    • 2.51.92-1
    • 2.51.93-1
    • 2.52.0-1
    • 2.52.1-1
    • 2.52.2-1
    • 2.52.2-2
    • 2.52.3-1
    • 2.52.3-2
    • 2.52.3-2~deb13u1
    • 2.52.4-1
    • 2.52.5-1
    • 2.52.5-1~deb13u1
    • 2.52.6-1
    • 2.52.6-1~deb13u1
    • 2.53.1-1
    • 2.53.2-1
    • 2.53.3-1
    • 2.53.4-1
    • 2.53.90-1
    • 2.53.91-1
    • 2.53.92-1
    Affected ranges
    • ECOSYSTEM: < 2.54.0-1~deb13u1

    Update to 2.54.0-1~deb13u1

  • webkit2gtk Debian:14

    Versions
    • 2.48.3-1
    • 2.48.5-1
    • 2.48.5-1~deb11u1
    • 2.48.5-1~deb12u1
    • 2.48.5-1~deb13u1
    • 2.48.6-1
    • 2.49.90-1
    • 2.50.0-1
    • 2.50.0-2
    • 2.50.1-1
    • 2.50.1-1~deb11u1
    • 2.50.1-1~deb12u1
    • 2.50.1-1~deb13u1
    • 2.50.2-1
    • 2.50.2-1~deb11u1
    • 2.50.2-1~deb12u1
    • 2.50.2-1~deb13u1
    • 2.50.3-1
    • 2.50.3-1+hurd.1
    • 2.50.3-1~deb11u1
    • 2.50.3-1~deb12u1
    • 2.50.3-1~deb13u1
    • 2.50.4-1
    • 2.50.4-1~deb11u1
    • 2.50.4-1~deb12u1
    • 2.50.4-1~deb13u1
    • 2.50.5-1
    • 2.50.6-1
    • 2.50.6-1~deb11u1
    • 2.50.6-1~deb12u1
    • 2.50.6-1~deb12u2
    • 2.50.6-1~deb13u1
    • 2.51.1-1
    • 2.51.2-1
    • 2.51.3-1
    • 2.51.4-1
    • 2.51.90-1
    • 2.51.91-1
    • 2.51.92-1
    • 2.51.93-1
    • 2.52.0-1
    • 2.52.1-1
    • 2.52.2-1
    • 2.52.2-2
    • 2.52.3-1
    • 2.52.3-2
    • 2.52.3-2~deb13u1
    • 2.52.4-1
    • 2.52.5-1
    • 2.52.5-1~deb13u1
    • 2.52.6-1
    • 2.52.6-1~deb13u1
    • 2.53.1-1
    • 2.53.2-1
    • 2.53.3-1
    • 2.53.4-1
    • 2.53.90-1
    • 2.53.91-1
    • 2.53.92-1
    • 2.54.0-1~deb13u1
    • 2.54.0-1~exp1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • wpewebkit Debian:12

    Versions
    • 2.38.6-1
    • 2.39.91-1
    • 2.40.0-1
    • 2.40.1-1
    • 2.40.2-1
    • 2.40.2-2
    • 2.40.3-1
    • 2.40.4-1
    • 2.40.5-1
    • 2.42.0-1
    • 2.42.1-1
    • 2.42.2-1
    • 2.42.3-1
    • 2.42.4-1
    • 2.42.5-1
    • 2.42.5-1.1
    • 2.42.5-1.1~exp1
    • 2.42.5-1.2
    • 2.42.5-2~exp
    • 2.44.1-1
    • 2.44.2-1
    • 2.44.2-2
    • 2.44.3-1
    • 2.44.4-1
    • 2.46.1-1
    • 2.46.2-1
    • 2.46.3-1
    • 2.46.4-1
    • 2.46.5-1
    • 2.46.6-1
    • 2.48.0-1
    • 2.48.1-1
    • 2.48.1-2
    • 2.48.2-1
    • 2.48.3-1
    • 2.48.5-1
    • 2.48.6-1
    • 2.48.6-2
    • 2.50.0-1
    • 2.50.0-2
    • 2.50.1-1
    • 2.50.2-1
    • 2.50.3-1
    • 2.50.4-1
    • 2.50.5-1
    • 2.50.6-1
    • 2.52.0-1
    • 2.52.1-1
    • 2.52.2-1
    • 2.52.2-2
    • 2.52.3-1
    • 2.52.4-1
    • 2.52.5-1
    • 2.52.6-1
    • 2.54.0-1
    • 2.54.0-2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • wpewebkit Debian:13

    Versions
    • 2.48.3-1
    • 2.48.5-1
    • 2.48.6-1
    • 2.48.6-2
    • 2.50.0-1
    • 2.50.0-2
    • 2.50.1-1
    • 2.50.2-1
    • 2.50.3-1
    • 2.50.4-1
    • 2.50.5-1
    • 2.50.6-1
    • 2.52.0-1
    • 2.52.1-1
    • 2.52.2-1
    • 2.52.2-2
    • 2.52.3-1
    • 2.52.4-1
    • 2.52.5-1
    • 2.52.6-1
    • 2.54.0-1
    • 2.54.0-2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • wpewebkit Debian:14

    Versions
    • 2.48.3-1
    • 2.48.5-1
    • 2.48.6-1
    • 2.48.6-2
    • 2.50.0-1
    • 2.50.0-2
    • 2.50.1-1
    • 2.50.2-1
    • 2.50.3-1
    • 2.50.4-1
    • 2.50.5-1
    • 2.50.6-1
    • 2.52.0-1
    • 2.52.1-1
    • 2.52.2-1
    • 2.52.2-2
    • 2.52.3-1
    • 2.52.4-1
    • 2.52.5-1
    • 2.52.6-1
    Affected ranges
    • ECOSYSTEM: < 2.54.0-1

    Update to 2.54.0-1

Original sources

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