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CVE-2015-0804

20
FAUCET Score

CVE-2015-0804 describes a use-after-free vulnerability in the HTMLSourceElement::BindToTree function of Mozilla Firefox before version 37.0, affecting various Canonical, Mozilla, and openSUSE distributions. This flaw allows remote attackers to execute arbitrary code or cause a denial of service through a crafted HTML document containing a SOURCE element. With a CVSS score of 7.5, it is a high-severity vulnerability with a network attack vector, low complexity, and potential for partial confidentiality, integrity, and availability impact. Despite its severity, there is no evidence of active exploitation, and no public exploit code is available in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage are minimal, with only one mention and one article identified.

Impacted Technologies

VendorProductVersion(s)CPE
<= 36.0.4CPE 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:*:*:*:*:*:*:*
12.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*

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
3.67%
Probability of exploitation in next 30 days
EPSS Percentile
88.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0367 is in the 80th percentile among its peer group of 51,551 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-2015-0804Critical

Mozilla: Use-after-free due to type confusion flaws (MFSA 2015-39)

Mar 31, 2015

References

lists.opensuse.org / opensuse-security-announce/2015-04/msg00003.html
bugzilla.mozilla.org / show_bug.cgi
security.gentoo.org / glsa/201512-10
mozilla.org / security/announce/2015/mfsa2015-39.html
Vendor Advisory
oracle.com / technetwork/topics/security/bulletinapr2016-2952098.html
securitytracker.com / id/1031996
ubuntu.com / usn/USN-2550-1