CVE-2021-30836

gir1.2-javascriptcoregtk-4.0: An out-of-bounds read was addressed with improved input validation

CVE-2021-30836 is fixed in 11 products on 1 platform, first by gir1.2-javascriptcoregtk-4.0 2.32.4-0ubuntu0.18.04.1, released December 24, 2021. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
8.8
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0110
66th percentile

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.8 and iPadOS 14.8, tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing a maliciously crafted audio file may disclose restricted memory.

Where it's fixed

ProductFixed inFixReleased
Linux
gir1.2-javascriptcoregtk-4.0 · Ubuntu 18.04.6 LTS (bionic) 2.32.4-0ubuntu0.18.04.1 gir1.2-javascriptcoregtk-4.0 2.32.4-0ubuntu0.18.04.1 Dec 24, 2021
gir1.2-javascriptcoregtk-4.0 · Ubuntu 20.04 LTS (focal) 2.32.4-0ubuntu0.20.04.1 gir1.2-javascriptcoregtk-4.0 2.32.4-0ubuntu0.20.04.1 Dec 24, 2021
gir1.2-webkit2-4.0 · Ubuntu 18.04.6 LTS (bionic) 2.32.4-0ubuntu0.18.04.1 gir1.2-webkit2-4.0 2.32.4-0ubuntu0.18.04.1 Dec 24, 2021
gir1.2-webkit2-4.0 · Ubuntu 20.04 LTS (focal) 2.32.4-0ubuntu0.20.04.1 gir1.2-webkit2-4.0 2.32.4-0ubuntu0.20.04.1 Dec 24, 2021
libjavascriptcoregtk-4.0-18 · Ubuntu 18.04.6 LTS (bionic) 2.32.4-0ubuntu0.18.04.1 libjavascriptcoregtk-4.0-18 2.32.4-0ubuntu0.18.04.1 Dec 24, 2021
libjavascriptcoregtk-4.0-18 · Ubuntu 20.04 LTS (focal) 2.32.4-0ubuntu0.20.04.1 libjavascriptcoregtk-4.0-18 2.32.4-0ubuntu0.20.04.1 Dec 24, 2021
libjavascriptcoregtk-4.0-bin · Ubuntu 18.04.6 LTS (bionic) 2.32.4-0ubuntu0.18.04.1 libjavascriptcoregtk-4.0-bin 2.32.4-0ubuntu0.18.04.1 Dec 24, 2021
libjavascriptcoregtk-4.0-bin · Ubuntu 20.04 LTS (focal) 2.32.4-0ubuntu0.20.04.1 libjavascriptcoregtk-4.0-bin 2.32.4-0ubuntu0.20.04.1 Dec 24, 2021
libwebkit2gtk-4.0-37 · Ubuntu 18.04.6 LTS (bionic) 2.32.4-0ubuntu0.18.04.1 libwebkit2gtk-4.0-37 2.32.4-0ubuntu0.18.04.1 Dec 24, 2021
libwebkit2gtk-4.0-37 · Ubuntu 20.04 LTS (focal) 2.32.4-0ubuntu0.20.04.1 libwebkit2gtk-4.0-37 2.32.4-0ubuntu0.20.04.1 Dec 24, 2021
libwebkit2gtk-4.0-37-gtk2 · Ubuntu 18.04.6 LTS (bionic) 2.32.4-0ubuntu0.18.04.1 libwebkit2gtk-4.0-37-gtk2 2.32.4-0ubuntu0.18.04.1 Dec 24, 2021
libwebkit2gtk-4.0-37-gtk2 · Ubuntu 20.04 LTS (focal) 2.32.4-0ubuntu0.20.04.1 libwebkit2gtk-4.0-37-gtk2 2.32.4-0ubuntu0.20.04.1 Dec 24, 2021
webkit2gtk-driver · Ubuntu 18.04.6 LTS (bionic) 2.32.4-0ubuntu0.18.04.1 webkit2gtk-driver 2.32.4-0ubuntu0.18.04.1 Dec 24, 2021
webkit2gtk-driver · Ubuntu 20.04 LTS (focal) 2.32.4-0ubuntu0.20.04.1 webkit2gtk-driver 2.32.4-0ubuntu0.20.04.1 Dec 24, 2021
webkit2gtk3 · RHEL 8 0:2.34.6-1.el8 RHSA-2022:1777 May 10, 2022
webkit2gtk3 · almalinux 8 2.34.6-1.el8 ALSA-2022:1777 May 10, 2022
webkit2gtk3 · ol 8 0:2.34.6-1.el8 ELSA-2022-1777 May 17, 2022
webkit2gtk3 · rocky 8 0:2.34.6-1.el8 RLSA-2022:1777 May 10, 2022
webkit2gtk3-devel · RHEL 8 0:2.34.6-1.el8 RHSA-2022:1777 May 10, 2022
webkit2gtk3-devel · almalinux 8 2.34.6-1.el8 ALSA-2022:1777 May 10, 2022
webkit2gtk3-devel · ol 8 0:2.34.6-1.el8 ELSA-2022-1777 May 17, 2022
webkit2gtk3-jsc · RHEL 8 0:2.34.6-1.el8 RHSA-2022:1777 May 10, 2022
webkit2gtk3-jsc · almalinux 8 2.34.6-1.el8 ALSA-2022:1777 May 10, 2022
webkit2gtk3-jsc · ol 8 0:2.34.6-1.el8 ELSA-2022-1777 May 17, 2022
webkit2gtk3-jsc-devel · RHEL 8 0:2.34.6-1.el8 RHSA-2022:1777 May 10, 2022
webkit2gtk3-jsc-devel · almalinux 8 2.34.6-1.el8 ALSA-2022:1777 May 10, 2022
webkit2gtk3-jsc-devel · ol 8 0:2.34.6-1.el8 ELSA-2022-1777 May 17, 2022

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