CVE-2018-12379

Summary

When the Mozilla Updater opens a MAR format file which contains a very long item filename, an out-of-bounds write can be triggered, leading to a potentially exploitable crash. This requires running the Mozilla Updater manually on the local system with the malicious MAR file in order to occur. This vulnerability affects Firefox < 62, Firefox ESR < 60.2, and Thunderbird < 60.2.1.

Affected Software

VendorProductVersion RangeStatus
MozillaFirefoxunspecified < 62affected
MozillaFirefox ESRunspecified < 60.2affected
MozillaThunderbirdunspecified < 60.2.1affected

Weaknesses

  • Out-of-bounds write with malicious MAR file

ADP Enrichment

CVE Program Container

Additional References

References