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Vulnerability discovered in browsers - immediate action advised

We have been made aware of a significant vulnerability with many web browsers and applications that has been identified and classified as severe and which requires immediate action. This vulnerability can allow threat actors to overwrite data, run malicious code or even gain unauthorised system access.


The first step would be to make sure that your web browser is up to date as most companies have already released patches specifically designed to mitigate for this issue. Links to instructions for updating are below:



It is also worth noting that this bug is also affecting many cross-platform apps built on Electron and Flutter. These include apps such as the Affinity suite, Signal, 1Password (now patched) Thunderbird (now patched), GiMP, Inkscape, LibreOffice, ffmpeg, and many Android apps.


As always, the advice is to make sure all your applications and operating systems are fully up to date to mitigate against these types of vulnerabilities.


For more information on this vulnerability, and to read a beginner-friendly explanation of what it can do, check out the blog post from stackiary.com: Critical WebP bug: many apps, not just browsers, under threat

 

Reporting

Report all Fraud and Cybercrime to Action Fraud by calling 0300 123 2040 or online. Forward suspicious emails to report@phishing.gov.uk. Report SMS scams by forwarding the original message to 7726 (spells SPAM on the keypad).

 

Commentaires


The contents of blog posts on this website are provided for general information only and are not intended to replace specific professional advice relevant to your situation. The intention of East Midlands Cyber Resilience Centre (EMCRC) is to encourage cyber resilience by raising issues and disseminating information on the experiences and initiatives of others. Articles on the website cannot by their nature be comprehensive and may not reflect most recent legislation, practice, or application to your circumstances. EMCRC provides affordable services and Trusted Partners if you need specific support. For specific questions please contact us by email.

 

EMCRC does not accept any responsibility for any loss which may arise from reliance on information or materials published on this blog. EMCRC is not responsible for the content of external internet sites that link to this site or which are linked from it.

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