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CVE-2016-1946

26
FAUCET Score

CVE-2016-1946 describes a critical vulnerability in the MoofParser::Metadata function within libstagefright in Mozilla Firefox versions prior to 44.0, as well as various Mozilla and OpenSUSE products. This flaw allows remote attackers to trigger an integer overflow and buffer overflow by providing crafted metadata, leading to a denial of service or potentially other unspecified impacts. With a CVSS score of 9.8 (CRITICAL), this vulnerability is easily exploitable over the network with low attack complexity and no user interaction, posing high risks to confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, no known public exploit code (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
42.1CPE matchmatch criteria
cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*
13.1CPE matchmatch criteria
cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
13.2CPE matchmatch criteria
cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
<= 43.0.4CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
5.64%
Probability of exploitation in next 30 days
EPSS Percentile
92.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0565 is in the 87th percentile among its peer group of 36,821 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 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 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

mozillavendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2016-1946Critical

Mozilla: Unsafe memory manipulation found through code inspection (MFSA 2016-10)

Jan 26, 2016

References

lists.opensuse.org / opensuse-security-announce/2016-02/msg00001.html
lists.opensuse.org / opensuse-security-announce/2016-02/msg00002.html
bugzilla.mozilla.org / show_bug.cgi
hg.mozilla.org / mozilla-central/rev/2a57c0a0cf19
Vendor Advisory
security.gentoo.org / glsa/201605-06
mozilla.org / security/announce/2016/mfsa2016-10.html
Vendor Advisory
securityfocus.com / bid/81950
securitytracker.com / id/1034825
ubuntu.com / usn/USN-2880-1
ubuntu.com / usn/USN-2880-2