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CVE-2019-17013

25
FAUCET Score

CVE-2019-17013 describes memory safety bugs in Mozilla Firefox versions prior to 71, which could lead to memory corruption and potentially arbitrary code execution. This vulnerability carries a CVSS v3.1 score of 8.8 (High), indicating it can be exploited remotely with low attack complexity, requiring user interaction, and potentially leading to high impact on confidentiality, integrity, and availability. While the potential for exploitation to run arbitrary code is presumed, there is currently no public exploit intelligence, Metasploit modules, or community discussion indicating active exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
< 71.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

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
0.85%
Probability of exploitation in next 30 days
EPSS Percentile
54.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0085 is in the 56th 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 (1)

mozillapatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2019-17013Important

Mozilla: Memory safety bugs fixed in Firefox 71

Dec 3, 2019

References

bugzilla.mozilla.org / buglist.cgi
ExploitIssue TrackingPatchVendor Advisory
mozilla.org / security/advisories/mfsa2019-36
Vendor Advisory