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Critical severity · published Apr 26, 2019
CVE-2019-9788
Mozilla developers and community members reported memory safety bugs present in Firefox 65, Firefox ESR 60.5, and Thunderbird 60.5
9.8
CVSS
2.2%
EPSS
No
On KEV
Description
Mozilla developers and community members reported memory safety bugs present in Firefox 65, Firefox ESR 60.5, and Thunderbird 60.5. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Thunderbird < 60.6, Firefox ESR < 60.6, and Firefox < 66.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.2% · higher than 83% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
before 60.6.0; before 66.0 · source: NVD
EL
Enterprise Linux · Redhat
8.0 · source: NVD
EL
Enterprise Linux Eus · Redhat
8.1; 8.2; 8.4 · source: NVD
EL
Enterprise Linux Server Aus · Redhat
8.2; 8.4 · source: NVD
EL
Enterprise Linux Server Tus · Redhat
8.2; 8.4 · source: NVD
TH
Thunderbird · Mozilla
before 60.6.0 · source: NVD
Affected product
FI
Firefox
Mozilla
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-9788
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-9788
Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:0966
Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:1144
Issue Tracking
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1518001%2C1521304%2C1521214%2C1506665%2C1516834%2C1518774%2C1524755%2C1523362%2C1524214%2C1529203
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2019-07/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2019-08/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2019-11/
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