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openSUSE: Chromium Critical Security Update 2021:0840-2

opensuse
Calendar Grey September 26, 2025
Dist Opensuse Esm H88
A crucial patch for Fedora addresses 18 vulnerabilities in Firefox, boosting system security and optimizing performance.
An update that fixes 21 vulnerabilities is now available.

Description

This update for chromium fixes the following issues:

Chromium 91.0.4472.77 (boo#1186458):

* Support Managed configuration API for Web Applications

* WebOTP API: cross-origin iframe support

* CSS custom counter styles

* Support JSON Modules

* Clipboard: read-only files support

* Remove webkitBeforeTextInserted & webkitEditableCOntentChanged JS even=

ts

* Honor media HTML attribute for link icon

* Import Assertions

* Class static initializer blocks

* Ergonomic brand checks for private fields

* Expose WebAssembly SIMD

* New Feature: WebTransport

* ES Modules for service workers ('module' type option)

* Suggested file name and location for the File System Access API

* adaptivePTime property for RTCRtpEncodingParameters

* Block HTTP port 10080 - mitigation for NAT Slipstream 2.0 attack

* Support WebSockets over HTTP/2

* Support 103 Early Hints for Navigation

* CVE-2021-30521: Heap buffer overflow in Autofill

*...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory update buffer overflow important OpenSUSE Chromium

Patch

Patch Instructions:

To install this openSUSE Security Update use the SUSE recommended instal=

lation methods

like YaST online=5Fupdate or "zypper patch".

Alternatively you can run the command listed for your product:

- openSUSE Backports SLE-15-SP3:

zypper in -t patch openSUSE-2021-840=3D1

Package List

- openSUSE Backports SLE-15-SP3 (x86=5F64):

chromedriver-91.0.4472.77-bp153.2.3.1

chromium-91.0.4472.77-bp153.2.3.1

References

https://www.suse.com/security/cve/CVE-2021-21212.html

https://www.suse.com/security/cve/CVE-2021-30521.html

https://www.suse.com/security/cve/CVE-2021-30522.html

https://www.suse.com/security/cve/CVE-2021-30523.html

https://www.suse.com/security/cve/CVE-2021-30524.html

https://www.suse.com/security/cve/CVE-2021-30525.html

https://www.suse.com/security/cve/CVE-2021-30526.html

https://www.suse.com/security/cve/CVE-2021-30527.html

https://www.suse.com/security/cve/CVE-2021-30528.html

https://www.suse.com/security/cve/CVE-2021-30529.html

https://www.suse.com/security/cve/CVE-2021-30530.html

https://www.suse.com/security/cve/CVE-2021-30531.html

https://www.suse.com/security/cve/CVE-2021-30532.html

https://www.suse.com/security/cve/CVE-2021-30533.html

https://www.suse.com/security/cve/CVE-2021-30534.html

https://www.suse.com/security/cve/CVE-2021-30535.html

https://www.suse.com/security/cve/CVE-2021-30536.html

https://www.suse.com/security/cve/CVE-2021-30537.html

https://www.suse.com/security/cve/CVE-2021-305...

Read the Full Advisory

Severity
critical
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2021:0840-1
Rating: important
Affected Products: openSUSE Backports SLE-15-SP3 =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F

Topics%20covered

Topics Covered

security advisory update buffer overflow important OpenSUSE Chromium

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