cbcvebase.
CVE-2019-11759
published 2020-01-08

CVE-2019-11759: An attacker could have caused 4 bytes of HMAC output to be written past the end of a buffer stored on the stack. This could be used by an attacker to execute…

PriorityP345high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
1.80%
75.8th percentile
An attacker could have caused 4 bytes of HMAC output to be written past the end of a buffer stored on the stack. This could be used by an attacker to execute arbitrary code or more likely lead to a crash. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.

Affected

17 ranges
VendorProductVersion rangeFixed in
canonicalubuntu_linux
debianfirefox< firefox 70.0-1 (sid)firefox 70.0-1 (sid)
debianfirefox-esr< firefox 70.0-1 (sid)firefox 70.0-1 (sid)
debianthunderbird< firefox 70.0-1 (sid)firefox 70.0-1 (sid)
mozillafirefox< 70.070.0
mozillafirefox
mozillafirefox_esr< 68.268.2
mozillafirefox_esr
mozillathunderbird< 68.268.2
mozillathunderbird
mozillathunderbird>= 0 < 1:68.2.1-11:68.2.1-1
mozillathunderbird>= 0 < 1:68.2.1-11:68.2.1-1
mozillathunderbird>= 0 < 1:68.2.1-11:68.2.1-1
mozillathunderbird>= 0 < 1:68.2.1-11:68.2.1-1
mozillathunderbird>= 0 < 1:68.7.0+build1-0ubuntu0.16.04.21:68.7.0+build1-0ubuntu0.16.04.2
mozillathunderbird>= 0 < 1:68.2.2+build1-0ubuntu0.18.04.11:68.2.2+build1-0ubuntu0.18.04.1
mozillathunderbird>= 0 < 1:68.2.1+build1-0ubuntu0.18.04.11:68.2.1+build1-0ubuntu0.18.04.1

CVSS provenance

nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvdv2.06.8MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
osv8.8HIGH
vendor_debian8.8HIGH
vendor_redhat8.8HIGH
vendor_ubuntu8.8HIGH
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.