Use-After-Free Vulnerability in Mozilla Products
CVE-2017-7809

9.8CRITICAL

Key Information:

Vendor

Debian
Status
Debian Linux
Vendor
CVE Published:
11 June 2018

What is CVE-2017-7809?

A use-after-free vulnerability arises from premature deletion of an editor DOM node during tree traversal while still being linked to the document. This flaw may lead to exploitable crashes in affected applications, impacting user experience and application stability. The vulnerability is present in versions of Thunderbird prior to 52.3, Firefox ESR prior to 52.3, and Firefox prior to 55, making those versions susceptible to attacks that exploit this behavior.

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References

https://www.mozilla.org/security/advisories/mfsa2017-19/
x_refsource_CONFIRM
http://www.securityfocus.com/bid/100203
vdb-entryx_refsource_BID
https://www.mozilla.org/security/advisories/mfsa2017-20/
x_refsource_CONFIRM

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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