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CVE-2019-17024

28
FAUCET Score

CVE-2019-17024 is a memory safety vulnerability affecting Mozilla Firefox versions prior to 72 and Firefox ESR prior to 68.4. This high-severity flaw (CVSS 8.8) could lead to arbitrary code execution due to memory corruption, requiring user interaction but with low attack complexity. While the vulnerability has a high potential impact on confidentiality, integrity, and availability, there is no evidence of active exploitation, public exploit code, or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
< 72.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
< 68.4CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
16.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
18.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
19.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.46%
Probability of exploitation in next 30 days
EPSS Percentile
82.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0245 is in the 82nd percentile among its peer group of 14,875 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (9)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.0 Update Services for SAP SolutionsFixed in: firefox-0:68.4.1-1.el8_0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: firefox-0:68.4.1-1.el6_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: thunderbird-0:68.4.1-2.el6_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: firefox-0:68.4.1-1.el7_7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: thunderbird-0:68.4.1-2.el7_7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: firefox-0:68.4.1-1.el8_1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: thunderbird-0:68.4.1-2.el8_1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.0 Update Services for SAP SolutionsFixed in: thunderbird-0:68.4.1-2.el8_0
View patch
mozillavendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2019-17024Important

Mozilla: Memory safety bugs fixed in Firefox 72 and Firefox ESR 68.4

Jan 7, 2020

References

lists.opensuse.org / opensuse-security-announce/2020-01/msg00029.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2020-01/msg00043.html
Mailing ListThird Party Advisory
packetstormsecurity.com / files/155912/Slackware-Security-Advisory-mozilla-thunderbird-Updates.html
ExploitThird Party AdvisoryVDB Entry
access.redhat.com / errata/RHSA-2020:0085
Third Party Advisory
access.redhat.com / errata/RHSA-2020:0086
Third Party Advisory
access.redhat.com / errata/RHSA-2020:0111
Third Party Advisory
access.redhat.com / errata/RHSA-2020:0120
Third Party Advisory
access.redhat.com / errata/RHSA-2020:0123
Third Party Advisory
access.redhat.com / errata/RHSA-2020:0127
Third Party Advisory
access.redhat.com / errata/RHSA-2020:0292
Third Party Advisory
access.redhat.com / errata/RHSA-2020:0295
Third Party Advisory
bugzilla.mozilla.org / buglist.cgi
Issue TrackingVendor Advisory
lists.debian.org / debian-lts-announce/2020/01/msg00005.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2020/01/msg00016.html
Mailing ListThird Party Advisory
seclists.org / bugtraq/2020/Jan/12
Mailing ListThird Party Advisory
seclists.org / bugtraq/2020/Jan/18
Mailing ListThird Party Advisory
seclists.org / bugtraq/2020/Jan/26
Mailing ListThird Party Advisory
security.gentoo.org / glsa/202003-02
Third Party Advisory
usn.ubuntu.com / 4234-1
Third Party Advisory
usn.ubuntu.com / 4241-1
Third Party Advisory
usn.ubuntu.com / 4335-1
Third Party Advisory
debian.org / security/2020/dsa-4600
Third Party Advisory
debian.org / security/2020/dsa-4603
Third Party Advisory
mozilla.org / security/advisories/mfsa2020-01
Vendor Advisory
mozilla.org / security/advisories/mfsa2020-02
Vendor Advisory