CVE-2018-18513: 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)…

PriorityP434high7.5CVSS 3.0

AVNACLPRNUINSUCNINAH

EPSS

1.32%

67.9th percentile

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.

Affected

7 ranges

Vendor	Product	Version range	Fixed in
debian	thunderbird	< thunderbird 1:60.5.0-1 (bookworm)	thunderbird 1:60.5.0-1 (bookworm)
mozilla	thunderbird	< 60.5.0	60.5.0
mozilla	thunderbird	>= 0 < 1:60.5.0-1	1:60.5.0-1
mozilla	thunderbird	>= 0 < 1:60.5.0-1	1:60.5.0-1
mozilla	thunderbird	>= 0 < 1:60.5.0-1	1:60.5.0-1
mozilla	thunderbird	>= 0 < 1:60.5.0-1	1:60.5.0-1
mozilla	thunderbird	>= unspecified < 60.5	60.5

CVSS provenance

nvdv3.07.5HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P

osv7.5HIGH

vendor_debian7.5HIGH

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.