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CVE-2018-18500

critical · 9.8

A use-after-free vulnerability can occur while parsing an HTML5 stream in concert with custom HTML elements. This results in the stream parser object being freed while still in use, leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 60.5, Firefox ESR < 60.5, and Firefox < 65.

9.8
CVSS
12.7%
EPSS (exploit prob.)
96th
EPSS percentile
2019-02-05
Published

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE-416

Affected products

VendorProductAffected versions
mozillafirefox< 65.0
mozillafirefox_esr< 60.5
mozillathunderbird< 60.5
canonicalubuntu_linux14.04
canonicalubuntu_linux16.04
canonicalubuntu_linux18.04
canonicalubuntu_linux18.10
debiandebian_linux8.0
debiandebian_linux9.0
redhatenterprise_linux_desktop6.0
redhatenterprise_linux_desktop7.0
redhatenterprise_linux_server6.0
redhatenterprise_linux_server7.0
redhatenterprise_linux_server_aus7.6
redhatenterprise_linux_server_eus7.6
redhatenterprise_linux_server_tus7.6
redhatenterprise_linux_workstation6.0
redhatenterprise_linux_workstation7.0

Check a specific version with /api/v1/cve/match.

References

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2018-18500