What is CVE-2018-18513?

CVE-2018-18513 is a high-severity vulnerability in Mozilla Thunderbird, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2019-04-26.

How severe is CVE-2018-18513?

High severity. CVSS v3 base score is 7.5 out of 10.

NULL pointer dereference in Mozilla Thunderbird

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) attack because Thunderbird reopens the last seen message on restart, triggering the crash again. This vulnerability affects Thunderbird < 60.5.

EPSS: 0.013 (67.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Mozilla Thunderbird — versions unspecified

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

security@mozilla.org (x_refsource_MISC, Vendor Advisory)
security@mozilla.org (x_refsource_MISC, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2018-18513?: CVE-2018-18513 is a high-severity vulnerability in Mozilla Thunderbird, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2019-04-26.
How severe is CVE-2018-18513?: High severity. CVSS v3 base score is 7.5 out of 10.