CVE-2019-11740

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

1.64% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 74.3% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

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

Red Hat severity

Important. 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

2019-09-27 17:19Z6 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-787Out-of-bounds WriteBase
• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base

Data version

5.1

Document digest

f98844da705234d3bc2743fb0848e74fd2fee91745bea41688bc1c56c83df063

• bugzilla.mozilla.orghttps://bugzilla.mozilla.org/buglist.cgi?bug_id=1563133%2C1573160x_refsource_MISC
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2019-25/x_refsource_CONFIRM
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2019-27/x_refsource_CONFIRM
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2019-26/x_refsource_CONFIRM
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2019-29/x_refsource_CONFIRM
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2019-30/x_refsource_CONFIRM
• 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
• lists.opensuse.orgopenSUSE-SU-2019:2251http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.htmlvendor-advisoryx_refsource_SUSE
• lists.opensuse.orgopenSUSE-SU-2019:2260http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.htmlvendor-advisoryx_refsource_SUSE
• usn.ubuntu.comUSN-4150-1https://usn.ubuntu.com/4150-1/vendor-advisoryx_refsource_UBUNTU
• security.gentoo.orgGLSA-201911-07https://security.gentoo.org/glsa/201911-07vendor-advisoryx_refsource_GENTOO