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CVE-2015-2712

20
FAUCET Score

CVE-2015-2712 describes an out-of-bounds write/read vulnerability in the asm.js implementation of Mozilla Firefox versions prior to 38.0, as well as related OpenSUSE distributions. This flaw, with a CVSS score of 7.5 (High), allows remote attackers to execute arbitrary code or obtain sensitive information through crafted JavaScript due to improper heap length determination. While the vulnerability has a high FAUCET Risk Score of 63/100 and some media coverage, there is no evidence of active exploitation, nor are there publicly available exploits in Metasploit, Nuclei, or ExploitDB. Community discussion is minimal, with only one mention.

Impacted Technologies

VendorProductVersion(s)CPE
<= 37.0.2CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
13.1CPE matchmatch criteria
cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
13.2CPE matchmatch criteria
cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.77%
Probability of exploitation in next 30 days
EPSS Percentile
88.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0377 is in the 80th percentile among its peer group of 51,553 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 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-2015-2712Critical

Mozilla: Out-of-bounds read and write in asm.js validation (MFSA 2015-50)

May 12, 2015

References

lists.opensuse.org / opensuse-updates/2015-05/msg00036.html
bugzilla.mozilla.org / show_bug.cgi
security.gentoo.org / glsa/201605-06
mozilla.org / security/announce/2015/mfsa2015-50.html
Vendor Advisory
oracle.com / technetwork/topics/security/bulletinapr2016-2952098.html
securityfocus.com / bid/74611
ubuntu.com / usn/USN-2602-1