Mozilla Firefox: Multiple vulnerabilities

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                         ZMCIRT Vulnerability Bulletin

                             ZMC-2021.06.17.0830
                     Mozilla Firefox: Multiple vulnerabilities
                               17th June 2021

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Product:           Mozilla Firefox
Publisher:         Mozilla
Operating System:  Windows
Impact/Access:     Reduced Security -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-29968  

Original Bulletin: 
   https://www.mozilla.org/en-US/security/advisories/mfsa2021-27/

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Mozilla Foundation Security Advisory 2021-27

Security Vulnerabilities fixed in Firefox 89.0.1

Announced: June 16, 2021
Impact:    moderate
Products:  Firefox
Fixed in:  Firefox 89.0.1

# CVE-2021-29968: Out of bounds read when drawing text characters onto a Canvas

Reporter: Pascal Chevrel
Impact:   moderate

Description

When drawing text onto a canvas with WebRender disabled, an out of bounds read
could occur.
This bug only affects Firefox on Windows. Other operating systems are
unaffected.

References

  o Bug 1712047


 
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