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CVE-2021-30952

Moderate: webkit2gtk3 security, bug fix, and enhancement update

7.8 HighIn KEVFix available

An integer overflow was addressed with improved input validation. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web content may lead to arbitrary code execution.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

6.96%Up 4.7 points since Dec 24, 2021
90%50%10%1%

What each source reports

NVD Score used 7.8

An integer overflow was addressed with improved input validation. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web content may lead to arbitrary code execution.

Record
CVE-2021-30952
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0
6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness
CWE-190
Updated
2026-11-02
CVE List 8.8

An integer overflow was addressed with improved input validation. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web content may lead to arbitrary code execution.

Record
CVE-2021-30952
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-190
Updated
2026-11-02
EUVDEUVD-2021-17869 8.8

An integer overflow was addressed with improved input validation. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web content may lead to arbitrary code execution.

Record
EUVD-2021-17869
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
CISA KEV No score

Apple Multiple Products Integer Overflow or Wraparound Vulnerability

Apple tvOS, macOS, Safari, iPadOS and watchOS contain an integer overflow or wraparound vulnerability due to the processing of maliciously crafted web content that may lead to arbitrary code execution.

Record
CVE-2021-30952
Weakness
CWE-190
Updated
2026-11-02
OSVALPINE-CVE-2021-30952 7.8

An integer overflow was addressed with improved input validation. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web content may lead to arbitrary code execution.

Record
ALPINE-CVE-2021-30952
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-03
OSV 7.8

An integer overflow was addressed with improved input validation. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web content may lead to arbitrary code execution.

Record
CVE-2021-30952
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
Show 12 moreShow less
OSVDEBIAN-CVE-2021-30952 7.8

An integer overflow was addressed with improved input validation. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web content may lead to arbitrary code execution.

Record
DEBIAN-CVE-2021-30952
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2022:1777 8.8

Red Hat Security Advisory: webkit2gtk3 security, bug fix, and enhancement update

Record
RHSA-2022:1777
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2025:10364 10.0

Red Hat Security Advisory: webkitgtk4 security update

Record
RHSA-2025:10364
CVSS 3.1
10.0 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Updated
2026-11-02
OSVRLSA-2022:1777 8.8

Moderate: webkit2gtk3 security, bug fix, and enhancement update

WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform.

The following packages have been upgraded to a later upstream version: webkit2gtk3 (2.34.6). (BZ#1985042)

Security Fix(es):

  • webkitgtk: maliciously crafted web content may lead to arbitrary code execution due to use after free (CVE-2022-22620)

  • webkitgtk: Use-after-free leading to arbitrary code execution (CVE-2021-30809)

  • webkitgtk: Type confusion issue leading to arbitrary code execution (CVE-2021-30818)

  • webkitgtk: Logic issue leading to HSTS bypass (CVE-2021-30823)

  • webkitgtk: Memory corruption issue leading to arbitrary code execution (CVE-2021-30846)

  • webkitgtk: Memory corruption issue leading to arbitrary code execution (CVE-2021-30848)

  • webkitgtk: Multiple memory corruption issue leading to arbitrary code execution (CVE-2021-30849)

  • webkitgtk: Memory corruption issue leading to arbitrary code execution (CVE-2021-30851)

  • webkitgtk: Logic issue leading to Content Security Policy bypass (CVE-2021-30887)

  • webkitgtk: Information leak via Content Security Policy reports (CVE-2021-30888)

  • webkitgtk: Buffer overflow leading to arbitrary code execution (CVE-2021-30889)

  • webkitgtk: Logic issue leading to universal cross-site scripting (CVE-2021-30890)

  • webkitgtk: Cross-origin data exfiltration via resource timing API (CVE-2021-30897)

  • webkitgtk: Processing maliciously crafted web content may lead to arbitrary code execution (CVE-2021-30934)

  • webkitgtk: Processing maliciously crafted web content may lead to arbitrary code execution (CVE-2021-30936)

  • webkitgtk: Processing maliciously crafted web content may lead to arbitrary code execution (CVE-2021-30951)

  • webkitgtk: Processing maliciously crafted web content may lead to arbitrary code execution (CVE-2021-30952)

  • webkitgtk: Processing maliciously crafted web content may lead to arbitrary code execution (CVE-2021-30953)

  • webkitgtk: Processing maliciously crafted web content may lead to arbitrary code execution (CVE-2021-30954)

  • webkitgtk: Processing maliciously crafted web content may lead to arbitrary code execution (CVE-2021-30984)

  • webkitgtk: Incorrect memory allocation in WebCore::ImageBufferCairoImageSurfaceBackend::create (CVE-2021-45481)

  • webkitgtk: use-after-free in WebCore::ContainerNode::firstChild (CVE-2021-45482)

  • webkitgtk: use-after-free in WebCore::Frame::page (CVE-2021-45483)

  • webkitgtk: Processing a maliciously crafted mail message may lead to running arbitrary javascript (CVE-2022-22589)

  • webkitgtk: Processing maliciously crafted web content may lead to arbitrary code execution (CVE-2022-22590)

  • webkitgtk: Processing maliciously crafted web content may prevent Content Security Policy from being enforced (CVE-2022-22592)

  • webkitgtk: A malicious website may exfiltrate data cross-origin (CVE-2022-22594)

  • webkitgtk: logic issue was addressed with improved state management (CVE-2022-22637)

  • webkitgtk: Out-of-bounds read leading to memory disclosure (CVE-2021-30836)

  • webkitgtk: CSS compositing issue leading to revealing of the browsing history (CVE-2021-30884)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Rocky Linux 8.6 Release Notes linked from the References section.

Record
RLSA-2022:1777
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2021-30952 7.8

An integer overflow was addressed with improved input validation. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web content may lead to arbitrary code execution.

Record
UBUNTU-CVE-2021-30952
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVALSA-2022:1777 No score

Moderate: webkit2gtk3 security, bug fix, and enhancement update

WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform.

The following packages have been upgraded to a later upstream version: webkit2gtk3 (2.34.6). (BZ#1985042)

Security Fix(es):

  • webkitgtk: maliciously crafted web content may lead to arbitrary code execution due to use after free (CVE-2022-22620)

  • webkitgtk: Use-after-free leading to arbitrary code execution (CVE-2021-30809)

  • webkitgtk: Type confusion issue leading to arbitrary code execution (CVE-2021-30818)

  • webkitgtk: Logic issue leading to HSTS bypass (CVE-2021-30823)

  • webkitgtk: Memory corruption issue leading to arbitrary code execution (CVE-2021-30846)

  • webkitgtk: Memory corruption issue leading to arbitrary code execution (CVE-2021-30848)

  • webkitgtk: Multiple memory corruption issue leading to arbitrary code execution (CVE-2021-30849)

  • webkitgtk: Memory corruption issue leading to arbitrary code execution (CVE-2021-30851)

  • webkitgtk: Logic issue leading to Content Security Policy bypass (CVE-2021-30887)

  • webkitgtk: Information leak via Content Security Policy reports (CVE-2021-30888)

  • webkitgtk: Buffer overflow leading to arbitrary code execution (CVE-2021-30889)

  • webkitgtk: Logic issue leading to universal cross-site scripting (CVE-2021-30890)

  • webkitgtk: Cross-origin data exfiltration via resource timing API (CVE-2021-30897)

  • webkitgtk: Processing maliciously crafted web content may lead to arbitrary code execution (CVE-2021-30934)

  • webkitgtk: Processing maliciously crafted web content may lead to arbitrary code execution (CVE-2021-30936)

  • webkitgtk: Processing maliciously crafted web content may lead to arbitrary code execution (CVE-2021-30951)

  • webkitgtk: Processing maliciously crafted web content may lead to arbitrary code execution (CVE-2021-30952)

  • webkitgtk: Processing maliciously crafted web content may lead to arbitrary code execution (CVE-2021-30953)

  • webkitgtk: Processing maliciously crafted web content may lead to arbitrary code execution (CVE-2021-30954)

  • webkitgtk: Processing maliciously crafted web content may lead to arbitrary code execution (CVE-2021-30984)

  • webkitgtk: Incorrect memory allocation in WebCore::ImageBufferCairoImageSurfaceBackend::create (CVE-2021-45481)

  • webkitgtk: use-after-free in WebCore::ContainerNode::firstChild (CVE-2021-45482)

  • webkitgtk: use-after-free in WebCore::Frame::page (CVE-2021-45483)

  • webkitgtk: Processing a maliciously crafted mail message may lead to running arbitrary javascript (CVE-2022-22589)

  • webkitgtk: Processing maliciously crafted web content may lead to arbitrary code execution (CVE-2022-22590)

  • webkitgtk: Processing maliciously crafted web content may prevent Content Security Policy from being enforced (CVE-2022-22592)

  • webkitgtk: A malicious website may exfiltrate data cross-origin (CVE-2022-22594)

  • webkitgtk: logic issue was addressed with improved state management (CVE-2022-22637)

  • webkitgtk: Out-of-bounds read leading to memory disclosure (CVE-2021-30836)

  • webkitgtk: CSS compositing issue leading to revealing of the browsing history (CVE-2021-30884)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

Record
ALSA-2022:1777
Updated
2026-11-02
OSVMGASA-2022-0034 No score

Updated webkit2 packages fix security vulnerability

Multiple security issues affecting webkit2. See references for details.

Record
MGASA-2022-0034
Updated
2026-11-02
OSVopenSUSE-SU-2022:0705-1 No score

Security update for webkit2gtk3

This update for webkit2gtk3 fixes the following issues:

Update to version 2.34.6 (bsc#1196133):

  • CVE-2022-22620: Processing maliciously crafted web content may have lead to arbitrary code execution.

Update to version 2.34.5 (bsc#1195735):

  • CVE-2022-22589: A validation issue was addressed with improved input sanitization.
  • CVE-2022-22590: A use after free issue was addressed with improved memory management.
  • CVE-2022-22592: A logic issue was addressed with improved state management.

Update to version 2.34.4 (bsc#1195064):

  • CVE-2021-30934: A buffer overflow issue was addressed with improved memory handling.
  • CVE-2021-30936: A use after free issue was addressed with improved memory management.
  • CVE-2021-30951: A use after free issue was addressed with improved memory management.
  • CVE-2021-30952: An integer overflow was addressed with improved input validation.
  • CVE-2021-30953: An out-of-bounds read was addressed with improved bounds checking.
  • CVE-2021-30954: A type confusion issue was addressed with improved memory handling.
  • CVE-2021-30984: A race condition was addressed with improved state handling.
  • CVE-2022-22594: A cross-origin issue in the IndexDB API was addressed with improved input validation.

The following CVEs were addressed in a previous update:

  • CVE-2021-45481: Incorrect memory allocation in WebCore::ImageBufferCairoImageSurfaceBackend::create.
  • CVE-2021-45482: A use-after-free in WebCore::ContainerNode::firstChild.
  • CVE-2021-45483: A use-after-free in WebCore::Frame::page.
Record
openSUSE-SU-2022:0705-1
Updated
2026-11-02
OSVSUSE-SU-2022:0690-1 No score

Security update for webkit2gtk3

This update for webkit2gtk3 fixes the following issues:

Update to version 2.34.5 (bsc#1195735):

  • CVE-2022-22589: A validation issue was addressed with improved input sanitization.
  • CVE-2022-22590: A use after free issue was addressed with improved memory management.
  • CVE-2022-22592: A logic issue was addressed with improved state management.

Update to version 2.34.4 (bsc#1195064):

  • CVE-2021-30934: A buffer overflow issue was addressed with improved memory handling.
  • CVE-2021-30936: A use after free issue was addressed with improved memory management.
  • CVE-2021-30951: A use after free issue was addressed with improved memory management.
  • CVE-2021-30952: An integer overflow was addressed with improved input validation.
  • CVE-2021-30953: An out-of-bounds read was addressed with improved bounds checking.
  • CVE-2021-30954: A type confusion issue was addressed with improved memory handling.
  • CVE-2021-30984: A race condition was addressed with improved state handling.
  • CVE-2022-22594: A cross-origin issue in the IndexDB API was addressed with improved input validation.

The following CVEs were addressed in a previous update:

  • CVE-2021-45481: Incorrect memory allocation in WebCore::ImageBufferCairoImageSurfaceBackend::create.
  • CVE-2021-45482: A use-after-free in WebCore::ContainerNode::firstChild.
  • CVE-2021-45483: A use-after-free in WebCore::Frame::page.
Record
SUSE-SU-2022:0690-1
Updated
2026-11-02
OSVSUSE-SU-2022:0703-1 No score

Security update for webkit2gtk3

This update for webkit2gtk3 fixes the following issues:

Update to version 2.34.6 (bsc#1196133):

  • CVE-2022-22620: Processing maliciously crafted web content may have lead to arbitrary code execution.

Update to version 2.34.5 (bsc#1195735):

  • CVE-2022-22589: A validation issue was addressed with improved input sanitization.
  • CVE-2022-22590: A use after free issue was addressed with improved memory management.
  • CVE-2022-22592: A logic issue was addressed with improved state management.

Update to version 2.34.4 (bsc#1195064):

  • CVE-2021-30934: A buffer overflow issue was addressed with improved memory handling.
  • CVE-2021-30936: A use after free issue was addressed with improved memory management.
  • CVE-2021-30951: A use after free issue was addressed with improved memory management.
  • CVE-2021-30952: An integer overflow was addressed with improved input validation.
  • CVE-2021-30953: An out-of-bounds read was addressed with improved bounds checking.
  • CVE-2021-30954: A type confusion issue was addressed with improved memory handling.
  • CVE-2021-30984: A race condition was addressed with improved state handling.
  • CVE-2022-22594: A cross-origin issue in the IndexDB API was addressed with improved input validation.

The following CVEs were addressed in a previous update:

  • CVE-2021-45481: Incorrect memory allocation in WebCore::ImageBufferCairoImageSurfaceBackend::create.
  • CVE-2021-45482: A use-after-free in WebCore::ContainerNode::firstChild.
  • CVE-2021-45483: A use-after-free in WebCore::Frame::page.
Record
SUSE-SU-2022:0703-1
Updated
2026-11-02
OSVSUSE-SU-2022:0705-1 No score

Security update for webkit2gtk3

This update for webkit2gtk3 fixes the following issues:

Update to version 2.34.6 (bsc#1196133):

  • CVE-2022-22620: Processing maliciously crafted web content may have lead to arbitrary code execution.

Update to version 2.34.5 (bsc#1195735):

  • CVE-2022-22589: A validation issue was addressed with improved input sanitization.
  • CVE-2022-22590: A use after free issue was addressed with improved memory management.
  • CVE-2022-22592: A logic issue was addressed with improved state management.

Update to version 2.34.4 (bsc#1195064):

  • CVE-2021-30934: A buffer overflow issue was addressed with improved memory handling.
  • CVE-2021-30936: A use after free issue was addressed with improved memory management.
  • CVE-2021-30951: A use after free issue was addressed with improved memory management.
  • CVE-2021-30952: An integer overflow was addressed with improved input validation.
  • CVE-2021-30953: An out-of-bounds read was addressed with improved bounds checking.
  • CVE-2021-30954: A type confusion issue was addressed with improved memory handling.
  • CVE-2021-30984: A race condition was addressed with improved state handling.
  • CVE-2022-22594: A cross-origin issue in the IndexDB API was addressed with improved input validation.

The following CVEs were addressed in a previous update:

  • CVE-2021-45481: Incorrect memory allocation in WebCore::ImageBufferCairoImageSurfaceBackend::create.
  • CVE-2021-45482: A use-after-free in WebCore::ContainerNode::firstChild.
  • CVE-2021-45483: A use-after-free in WebCore::Frame::page.
Record
SUSE-SU-2022:0705-1
Updated
2026-11-02
OSVUSN-5255-1 No score

webkit2gtk vulnerabilities

A large number of security issues were discovered in the WebKitGTK Web and JavaScript engines. If a user were tricked into viewing a malicious website, a remote attacker could exploit a variety of issues related to web browser security, including cross-site scripting attacks, denial of service attacks, and arbitrary code execution.

Record
USN-5255-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
webkit2gtk
Alpine:v3.16
 before 2.34.4-r0
2.34.4-r0
webkit2gtk
Alpine:v3.17
 before 2.34.4-r0
2.34.4-r0
webkit2gtk
Alpine:v3.18
 before 2.34.4-r0
2.34.4-r0
webkit2gtk
Alpine:v3.19
 before 2.34.4-r0
2.34.4-r0
webkit2gtk
Alpine:v3.20
 before 2.34.4-r0
2.34.4-r0
webkit2gtk3
AlmaLinux:8
 before 2.34.6-1.el8
2.34.6-1.el8
webkit2gtk3-devel
AlmaLinux:8
 before 2.34.6-1.el8
2.34.6-1.el8
webkit2gtk3-jsc
AlmaLinux:8
 before 2.34.6-1.el8
2.34.6-1.el8
webkit2gtk3-jsc-devel
AlmaLinux:8
 before 2.34.6-1.el8
2.34.6-1.el8
webkit2gtk
Debian:12
 before 2.34.4-1
2.34.4-1
Show 76 moreShow less
Affected packages
PackageAffectedFixed
webkit2gtk
Debian:13
 before 2.34.4-1
2.34.4-1
webkit2gtk
Debian:14
 before 2.34.4-1
2.34.4-1
wpewebkit
Debian:12
 before 2.34.4-1
2.34.4-1
wpewebkit
Debian:13
 before 2.34.4-1
2.34.4-1
wpewebkit
Debian:14
 before 2.34.4-1
2.34.4-1
webkit2gtk
Debian:10
 before 2.34.4-1~deb10u1, plus listed versions
2.24.2-12.24.2-22.24.3-12.24.3-1~bpo10+12.24.3-1~bpo9+1
Show 45 moreShow less
2.24.3-1~deb10u12.24.4-12.24.4-1~bpo10+12.24.4-1~bpo9+12.24.4-1~deb10u12.25.1-12.25.2-12.25.4-12.25.92-12.26.0-12.26.1-12.26.1-22.26.1-32.26.1-3~bpo10+12.26.1-3~bpo9+12.26.1-3~bpo9+22.26.1-3~deb10u12.26.2-12.26.2-1~bpo9+12.26.2-1~deb10+12.26.3-12.26.3-1~bpo10+12.26.3-1~bpo9+12.26.3-1~deb10u12.26.4-12.26.4-1~bpo9+12.26.4-1~bpo9+22.26.4-1~bpo9+32.26.4-1~deb10u12.26.4-1~deb10u22.26.4-1~deb10u32.27.1-12.27.2-12.27.3-12.27.4-12.27.90-12.27.91-12.28.0-12.28.0-22.28.0-2~bpo10+12.28.1-12.28.1-22.28.1-2~bpo10+12.28.2-12.28.2-2
2.34.4-1~deb10u1
webkit2gtk
Debian:11
 before 2.34.4-1~deb11u1, plus listed versions
2.32.3-12.32.4-12.32.4-1~deb10u12.32.4-1~deb11u12.33.1-1
Show 15 moreShow less
2.33.2-12.33.3-12.33.90-12.33.91-12.34.0-12.34.0-1~bpo11+12.34.1-12.34.1-1~deb10u12.34.1-1~deb11u12.34.2-12.34.2-1~bpo11+12.34.3-12.34.3-1~deb10u12.34.3-1~deb11u12.34.4-1~deb10u1
2.34.4-1~deb11u1
wpewebkit
Debian:11
 before 2.34.4-1~deb11u1, plus listed versions
2.32.3-22.32.4-12.32.4-1~deb11u12.34.1-12.34.1-1~deb11u12.34.2-12.34.3-12.34.3-1~deb11u1
2.34.4-1~deb11u1
webkit2
Mageia:8
 before 2.34.4-1.mga8
2.34.4-1.mga8
webkit2gtk3
Red Hat:enterprise_linux:8::appstream
 before 0:2.34.6-1.el8
0:2.34.6-1.el8
webkit2gtk3-debuginfo
Red Hat:enterprise_linux:8::appstream
 before 0:2.34.6-1.el8
0:2.34.6-1.el8
webkit2gtk3-debugsource
Red Hat:enterprise_linux:8::appstream
 before 0:2.34.6-1.el8
0:2.34.6-1.el8
webkit2gtk3-devel
Red Hat:enterprise_linux:8::appstream
 before 0:2.34.6-1.el8
0:2.34.6-1.el8
webkit2gtk3-devel-debuginfo
Red Hat:enterprise_linux:8::appstream
 before 0:2.34.6-1.el8
0:2.34.6-1.el8
webkit2gtk3-jsc
Red Hat:enterprise_linux:8::appstream
 before 0:2.34.6-1.el8
0:2.34.6-1.el8
webkit2gtk3-jsc-debuginfo
Red Hat:enterprise_linux:8::appstream
 before 0:2.34.6-1.el8
0:2.34.6-1.el8
webkit2gtk3-jsc-devel
Red Hat:enterprise_linux:8::appstream
 before 0:2.34.6-1.el8
0:2.34.6-1.el8
webkit2gtk3-jsc-devel-debuginfo
Red Hat:enterprise_linux:8::appstream
 before 0:2.34.6-1.el8
0:2.34.6-1.el8
webkitgtk4
Red Hat:rhel_els:7
 before 0:2.48.3-2.el7_9
0:2.48.3-2.el7_9
webkitgtk4-debuginfo
Red Hat:rhel_els:7
 before 0:2.48.3-2.el7_9
0:2.48.3-2.el7_9
webkitgtk4-devel
Red Hat:rhel_els:7
 before 0:2.48.3-2.el7_9
0:2.48.3-2.el7_9
webkitgtk4-jsc
Red Hat:rhel_els:7
 before 0:2.48.3-2.el7_9
0:2.48.3-2.el7_9
webkitgtk4-jsc-devel
Red Hat:rhel_els:7
 before 0:2.48.3-2.el7_9
0:2.48.3-2.el7_9
webkitgtk4-doc
Red Hat:rhel_els:7
 before 0:2.48.3-2.el7_9
0:2.48.3-2.el7_9
webkit2gtk3
Rocky Linux:8
 before 0:2.34.6-1.el8
0:2.34.6-1.el8
webkit2gtk3
SUSE:HPE Helion OpenStack 8
 before 2.34.5-2.85.3
2.34.5-2.85.3
webkit2gtk3
SUSE:OpenStack Cloud 8
 before 2.34.5-2.85.3
2.34.5-2.85.3
webkit2gtk3
SUSE:OpenStack Cloud 9
 before 2.34.5-2.85.3
2.34.5-2.85.3
webkit2gtk3
SUSE:OpenStack Cloud Crowbar 8
 before 2.34.5-2.85.3
2.34.5-2.85.3
webkit2gtk3
SUSE:OpenStack Cloud Crowbar 9
 before 2.34.5-2.85.3
2.34.5-2.85.3
webkit2gtk3
SUSE:Linux Enterprise Server for SAP Applications 12 SP3
 before 2.34.5-2.85.3
2.34.5-2.85.3
webkit2gtk3
SUSE:Linux Enterprise Server for SAP Applications 12 SP4
 before 2.34.5-2.85.3
2.34.5-2.85.3
webkit2gtk3
SUSE:Linux Enterprise Software Development Kit 12 SP5
 before 2.34.5-2.85.3
2.34.5-2.85.3
webkit2gtk3
SUSE:Linux Enterprise Server 12 SP2-BCL
 before 2.34.5-2.85.3
2.34.5-2.85.3
webkit2gtk3
SUSE:Linux Enterprise Server 12 SP3-LTSS
 before 2.34.5-2.85.3
2.34.5-2.85.3
webkit2gtk3
SUSE:Linux Enterprise Server 12 SP3-BCL
 before 2.34.5-2.85.3
2.34.5-2.85.3
webkit2gtk3
SUSE:Linux Enterprise Server 12 SP4-LTSS
 before 2.34.5-2.85.3
2.34.5-2.85.3
webkit2gtk3
SUSE:Linux Enterprise Server 12 SP5
 before 2.34.5-2.85.3
2.34.5-2.85.3
webkit2gtk3
SUSE:Linux Enterprise Server for SAP Applications 12 SP5
 before 2.34.5-2.85.3
2.34.5-2.85.3
webkit2gtk3
SUSE:Linux Enterprise High Performance Computing 15-ESPOS
 before 2.34.6-3.97.1
2.34.6-3.97.1
webkit2gtk3
SUSE:Linux Enterprise High Performance Computing 15-LTSS
 before 2.34.6-3.97.1
2.34.6-3.97.1
webkit2gtk3
SUSE:Linux Enterprise High Performance Computing 15 SP1-ESPOS
 before 2.34.6-3.97.1
2.34.6-3.97.1
webkit2gtk3
SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS
 before 2.34.6-3.97.1
2.34.6-3.97.1
webkit2gtk3
SUSE:Linux Enterprise Server 15-LTSS
 before 2.34.6-3.97.1
2.34.6-3.97.1
webkit2gtk3
SUSE:Linux Enterprise Server 15 SP1-BCL
 before 2.34.6-3.97.1
2.34.6-3.97.1
webkit2gtk3
SUSE:Linux Enterprise Server 15 SP1-LTSS
 before 2.34.6-3.97.1
2.34.6-3.97.1
webkit2gtk3
SUSE:Linux Enterprise Server for SAP Applications 15
 before 2.34.6-3.97.1
2.34.6-3.97.1
webkit2gtk3
SUSE:Linux Enterprise Server for SAP Applications 15 SP1
 before 2.34.6-3.97.1
2.34.6-3.97.1
webkit2gtk3
SUSE:Enterprise Storage 6
 before 2.34.6-3.97.1
2.34.6-3.97.1
webkit2gtk3
SUSE:Linux Enterprise Module for Basesystem 15 SP3
 before 2.34.6-29.1
2.34.6-29.1
webkit2gtk3
SUSE:Linux Enterprise Module for Desktop Applications 15 SP3
 before 2.34.6-29.1
2.34.6-29.1
webkit2gtk3
SUSE:Linux Enterprise High Performance Computing 15 SP2-ESPOS
 before 2.34.6-29.1
2.34.6-29.1
webkit2gtk3
SUSE:Linux Enterprise High Performance Computing 15 SP2-LTSS
 before 2.34.6-29.1
2.34.6-29.1
webkit2gtk3
SUSE:Linux Enterprise Real Time 15 SP2
 before 2.34.6-29.1
2.34.6-29.1
webkit2gtk3
SUSE:Linux Enterprise Server 15 SP2-BCL
 before 2.34.6-29.1
2.34.6-29.1
webkit2gtk3
SUSE:Linux Enterprise Server 15 SP2-LTSS
 before 2.34.6-29.1
2.34.6-29.1
webkit2gtk3
SUSE:Linux Enterprise Server for SAP Applications 15 SP2
 before 2.34.6-29.1
2.34.6-29.1
webkit2gtk3
SUSE:Manager Proxy 4.1
 before 2.34.6-29.1
2.34.6-29.1
webkit2gtk3
SUSE:Manager Retail Branch Server 4.1
 before 2.34.6-29.1
2.34.6-29.1
webkit2gtk3
SUSE:Manager Server 4.1
 before 2.34.6-29.1
2.34.6-29.1
webkit2gtk3
SUSE:Enterprise Storage 7
 before 2.34.6-29.1
2.34.6-29.1
qtwebkit-opensource-src
Ubuntu:16.04:LTS
 All versions, plus listed versions
5.4.2+dfsg-1ubuntu2.15.5.1+dfsg-2ubuntu1
 None known
webkit2gtk
Ubuntu:16.04:LTS
 All versions, plus listed versions
2.8.5+dfsg1-32.10.3+dfsg1-12.10.4+dfsg1-12.10.5-12.10.6-1
Show 21 moreShow less
2.10.6-1ubuntu12.10.8-1ubuntu12.10.9-1ubuntu12.12.5-0ubuntu0.16.04.12.14.2-0ubuntu0.16.04.12.14.3-0ubuntu0.16.04.12.14.5-0ubuntu0.16.04.12.16.1-0ubuntu0.16.04.12.16.1-0ubuntu0.16.04.22.16.2-0ubuntu0.16.04.12.16.3-0ubuntu0.16.04.12.16.6-0ubuntu0.16.04.12.18.0-0ubuntu0.16.04.22.18.3-0ubuntu0.16.04.12.18.4-0ubuntu0.16.04.12.18.5-0ubuntu0.16.04.12.18.6-0ubuntu0.16.04.12.20.1-0ubuntu0.16.04.12.20.2-0ubuntu0.16.04.12.20.3-0ubuntu0.16.04.12.20.5-0ubuntu0.16.04.1
 None known
qtwebkit-source
Ubuntu:16.04:LTS
 All versions, plus listed versions
2.3.2-0ubuntu102.3.2-0ubuntu11
 None known
webkitgtk
Ubuntu:16.04:LTS
 All versions, plus listed versions
2.4.9-2ubuntu22.4.10-0ubuntu12.4.11-0ubuntu0.1
 None known
webkit2gtk
Ubuntu:18.04:LTS
 All versions, plus listed versions
2.18.0-22.18.0-2build12.18.2-12.18.3-12.18.4-1
Show 33 moreShow less
2.18.6-12.19.91-1ubuntu12.19.92-12.20.0-12.20.0-22.20.0-2ubuntu12.20.1-12.20.2-0ubuntu0.18.04.12.20.3-0ubuntu0.18.04.12.20.5-0ubuntu0.18.04.12.22.2-0ubuntu0.18.04.12.22.2-0ubuntu0.18.04.22.22.4-0ubuntu0.18.04.12.22.5-0ubuntu0.18.04.12.22.6-0ubuntu0.18.04.12.24.1-0ubuntu0.18.04.12.24.2-0ubuntu0.18.04.12.24.4-0ubuntu0.18.04.12.26.1-0ubuntu0.18.04.12.26.2-0ubuntu0.18.04.12.26.3-0ubuntu0.18.04.12.26.4-0ubuntu0.18.04.12.28.0-0ubuntu0.18.04.32.28.1-0ubuntu0.18.04.12.28.2-0ubuntu0.18.04.12.28.3-0ubuntu0.18.04.12.28.4-0ubuntu0.18.04.12.30.3-0ubuntu0.18.04.12.30.5-0ubuntu0.18.04.12.30.6-0ubuntu0.18.04.12.32.0-0ubuntu0.18.04.12.32.3-0ubuntu0.18.04.12.32.4-0ubuntu0.18.04.1
 None known
qtwebkit-opensource-src
Ubuntu:18.04:LTS
 All versions, plus listed versions
5.9.1+dfsg-5ubuntu15.9.1+dfsg-5ubuntu35.212.0~alpha2-5build25.212.0~alpha2-5build45.212.0~alpha2-75.212.0~alpha2-7build25.212.0~alpha2-7ubuntu1
 None known
qtwebkit-source
Ubuntu:18.04:LTS
 All versions, plus listed versions
2.3.2-0ubuntu13
 None known
webkitgtk
Ubuntu:18.04:LTS
 All versions, plus listed versions
2.4.11-32.4.11-3ubuntu22.4.11-3ubuntu3
 None known
webkit2gtk
Ubuntu:20.04:LTS
 before 2.34.4-0ubuntu0.20.04.1, plus listed versions
2.26.1-32.26.2-12.26.3-1ubuntu22.26.4-1ubuntu12.28.0-1ubuntu2
Show 12 moreShow less
2.28.1-12.28.2-0ubuntu0.20.04.12.28.3-0ubuntu0.20.04.12.28.4-0ubuntu0.20.04.12.30.3-0ubuntu0.20.04.12.30.5-0ubuntu0.20.04.12.30.6-0ubuntu0.20.04.12.32.0-0ubuntu0.20.04.12.32.3-0ubuntu0.20.04.12.32.4-0ubuntu0.20.04.12.34.1-0ubuntu0.20.04.12.34.3-0ubuntu0.20.04.1
2.34.4-0ubuntu0.20.04.1
qtwebkit-opensource-src
Ubuntu:20.04:LTS
 All versions, plus listed versions
5.212.0~alpha3-35.212.0~alpha3-55.212.0~alpha3-65.212.0~alpha3-75.212.0~alpha4-15.212.0~alpha4-1ubuntu15.212.0~alpha4-1ubuntu25.212.0~alpha4-1ubuntu2.1
 None known
wpewebkit
Ubuntu:20.04:LTS
 All versions, plus listed versions
2.26.3-12.26.4-12.26.4-1build12.28.0-12.28.1-1
 None known
qtwebkit-opensource-src
Ubuntu:22.04:LTS
 All versions, plus listed versions
5.212.0~alpha4-125.212.0~alpha4-135.212.0~alpha4-145.212.0~alpha4-14build15.212.0~alpha4-14ubuntu25.212.0~alpha4-15ubuntu1
 None known
wpewebkit
Ubuntu:22.04:LTS
 All versions, plus listed versions
2.32.4-12.34.1-12.34.2-12.34.3-12.34.4-1
Show 4 moreShow less
2.34.5-12.34.6-12.36.0-2ubuntu22.36.0-2ubuntu3
 None known
qtwebkit-opensource-src
Ubuntu:24.04:LTS
 All versions, plus listed versions
5.212.0~alpha4-335.212.0~alpha4-33build15.212.0~alpha4-345.212.0~alpha4-34ubuntu35.212.0~alpha4-34ubuntu45.212.0~alpha4-36
 None known
webkit2gtk3
openSUSE:Leap 15.3
 before 2.34.6-29.1
2.34.6-29.1

History

History
RecordedChangedSources
exploitation
affected, aliases, referencesOSV
first indexedCVE List, EUVD, CISA KEV, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-30952 is a high vulnerability (CVSS 7.8) in Apple Ipados, published August 24, 2021. CISA lists it as known to be exploited, since March 5, 2026. EUVD reports exploitation since March 5, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 6.96%, the 94th percentile. Fixed in webkit2gtk 2.34.4-r0.

References

Show 194 moreShow less
This page doesn't list everything

Left out here: 55 versions and 878 references. The JSON record has them.

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