QID 375642

Date Published: 2021-06-22

QID 375642: Mozilla Firefox Out of Bound Read Vulnerability (MFSA2021-27)

Firefox is a free and open-source web browser developed for Windows, OS X, and Linux, with a mobile version for Android.

CVE-2021-29968: When drawing text onto a canvas with WebRender disabled, an out of bounds read could occur.

Affected Products:
Prior to Firefox 89.0.1

NOTE:
This bug only affects Firefox on Windows. Other operating systems are unaffected.

QID Detection Logic (Authenticated) :
This checks for vulnerable version of Firefox browser.

Successful exploitation of this vulnerability may allow an attacker to read sensitive file.

CVSS V3 rated as Critical - 8.1 severity.

CVSS V2 rated as Medium - 5.8 severity.

Solution

Vendor has released fix to address these vulnerabilities. Refer to MFSA 2021-27

Vendor References

MFSA2021-27 - www.mozilla.org/en-US/security/advisories/mfsa2021-27/

CVEs related to QID 375642

CVE-2021-29968 |

Software Advisories

Advisory ID	Software	Component	Link
MFSA2021-27			www.mozilla.org/en-US/security/advisories/mfsa2021-27/

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