CVE-2019-11717

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

2.13% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 80.3% of scored records. A rank, not a probability.

NVD base score

5.3 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2019-07-23 13:18Z7 YR AGO

Last updated

2024-08-04 23:03Z2 YR AGO

Reserved

2019-05-03

Assigning CNA

mozilla

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-116Improper Encoding or Escaping of OutputClass
• CWE-138Improper Neutralization of Special ElementsClass

Data version

5.1

Document digest

aa320c91c207e241d3af27d7ea8e5ee5de27ed5a7bf54190c3eaedaece1e6193

• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2019-21/x_refsource_MISC
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2019-22/x_refsource_MISC
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2019-23/x_refsource_MISC
• bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1548306x_refsource_MISC
• lists.opensuse.orgopenSUSE-SU-2019:1811http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00055.htmlvendor-advisoryx_refsource_SUSE
• lists.opensuse.orgopenSUSE-SU-2019:1813http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00058.htmlvendor-advisoryx_refsource_SUSE
• lists.debian.org[debian-lts-announce] 20190802 [SECURITY] [DLA 1869-1] firefox-esr security updatehttps://lists.debian.org/debian-lts-announce/2019/08/msg00001.htmlmailing-listx_refsource_MLIST
• lists.debian.org[debian-lts-announce] 20190802 [SECURITY] [DLA 1870-1] thunderbird security updatehttps://lists.debian.org/debian-lts-announce/2019/08/msg00002.htmlmailing-listx_refsource_MLIST
• security.gentoo.orgGLSA-201908-12https://security.gentoo.org/glsa/201908-12vendor-advisoryx_refsource_GENTOO
• security.gentoo.orgGLSA-201908-20https://security.gentoo.org/glsa/201908-20vendor-advisoryx_refsource_GENTOO
• lists.opensuse.orgopenSUSE-SU-2019:1990http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00073.htmlvendor-advisoryx_refsource_SUSE
• lists.opensuse.orgopenSUSE-SU-2019:2248http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.htmlvendor-advisoryx_refsource_SUSE
• lists.opensuse.orgopenSUSE-SU-2019:2249http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.htmlvendor-advisoryx_refsource_SUSE