CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
40.9%
A crash can occur when processing a crafted S/MIME message or an XPI
package containing a crafted signature. This can be used as a
denial-of-service (DOS) attack because Thunderbird reopens the last seen
message on restart, triggering the crash again. This vulnerability affects
Thunderbird < 60.5.
bugzilla.mozilla.org/show_bug.cgi?id=1533300
launchpad.net/bugs/cve/CVE-2018-18513
nvd.nist.gov/vuln/detail/CVE-2018-18513
security-tracker.debian.org/tracker/CVE-2018-18513
www.cve.org/CVERecord?id=CVE-2018-18513
www.mozilla.org/en-US/security/advisories/mfsa2019-03/#CVE-2018-18513
www.mozilla.org/security/advisories/mfsa2019-03/
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
40.9%