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Critical severity · published Jul 23, 2019
CVE-2019-11713
A use-after-free vulnerability can occur in HTTP/2 when a cached HTTP/2 stream is closed while still in use, resulting in a potentially exploitable crash
9.8
CVSS
2.1%
EPSS
No
On KEV
Description
A use-after-free vulnerability can occur in HTTP/2 when a cached HTTP/2 stream is closed while still in use, resulting in a potentially exploitable crash. This vulnerability affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8.
CVSS vector
CVSS:3.0/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)2.1% · higher than 82% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
before 60.8.0; before 68.0 · source: NVD
TH
Thunderbird · Mozilla
before 60.8.0 · source: NVD
Affected product
FI
Firefox
Mozilla
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-11713
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-11713
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00055.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00058.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00073.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html
Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1528481
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