Executive Summary

Title firefox-esr security update
Name DSA-4376 First vendor Publication 2019-01-30
Vendor Debian Last vendor Modification 2019-01-30
Severity (Vendor) N/A Revision 1

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score 7.5 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores


Multiple security issues have been found in the Mozilla Firefox web browser, which could potentially result in the execution of arbitrary code or privilege escalation.

For the stable distribution (stretch), these problems have been fixed in version 60.5.0esr-1~deb9u1.

We recommend that you upgrade your firefox-esr packages.

For the detailed security status of firefox-esr please refer to its security tracker page at: https://security-tracker.debian.org/tracker/firefox-esr

Original Source

Url : http://www.debian.org/security/2019/dsa-4376

CWE : Common Weakness Enumeration

% Id Name
33 % CWE-416 Use After Free
33 % CWE-287 Improper Authentication
33 % CWE-119 Failure to Constrain Operations within the Bounds of a Memory Buffer

CPE : Common Platform Enumeration

Application 527
Application 126
Application 397
Os 4
Os 2
Os 2
Os 2
Os 1
Os 1
Os 1
Os 2

Snort® IPS/IDS

Date Description
2019-10-08 Mozilla Firefox Custom Elements write-after-free attempt
RuleID : 51440 - Revision : 1 - Type : BROWSER-FIREFOX
2019-10-08 Mozilla Firefox Custom Elements write-after-free attempt
RuleID : 51439 - Revision : 1 - Type : BROWSER-FIREFOX

Alert History

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Date Informations
2019-02-23 09:21:41
  • Multiple Updates
2019-02-06 17:21:34
  • Multiple Updates
2019-01-30 17:18:34
  • First insertion