01 Record

CVE-2015-4490

The nsCSPHostSrc::permits function in dom/security/nsCSPUtils.cpp in Mozilla Firefox before 40.0 does not implement the Content Security Policy Level 2 exceptions for the blob, data, and filesystem

UnratedPUBLISHEDCNA: mozilla

CNA base scoreUnratedNo CNA CVSS vector

View raw JSON

02 Description

The nsCSPHostSrc::permits function in dom/security/nsCSPUtils.cpp in Mozilla Firefox before 40.0 does not implement the Content Security Policy Level 2 exceptions for the blob, data, and filesystem

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 2.44% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 84.1% of scored records. A rank, not a probability.
NVD base score: The NVD has published no score for this record
NVD CVSS vector: No NVD score to derive
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
Red Hat severity: Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2015-08-16 01:00Z11 YR AGO

Last updated

2024-08-06 06:18Z2 YR AGO

Reserved

2015-06-10

Assigning CNA

mozilla

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base

Data version

5.1

Document digest

8221d31289456b90b925dcdaa9fe070e8c9c132b84c3124e0779be968126ffe9

05 Affected products

VendorProductVersionsPlatforms

canonicalubuntu_linuxNot specified—

mozillafirefoxNot specified—

opensuseopensuseNot specified—

oraclesolarisNot specified—

redhatenterprise_linuxNot specified—

06 References

bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1086999x_refsource_CONFIRM
www.ubuntu.comUSN-2702-3http://www.ubuntu.com/usn/USN-2702-3vendor-advisoryx_refsource_UBUNTU
lists.opensuse.orgopenSUSE-SU-2015:1389http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00014.htmlvendor-advisoryx_refsource_SUSE
www.mozilla.orghttp://www.mozilla.org/security/announce/2015/mfsa2015-91.htmlx_refsource_CONFIRM
www.oracle.comhttp://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.htmlx_refsource_CONFIRM
www.securitytracker.com1033247http://www.securitytracker.com/id/1033247vdb-entryx_refsource_SECTRACK
www.ubuntu.comUSN-2702-2http://www.ubuntu.com/usn/USN-2702-2vendor-advisoryx_refsource_UBUNTU
www.ubuntu.comUSN-2702-1http://www.ubuntu.com/usn/USN-2702-1vendor-advisoryx_refsource_UBUNTU
security.gentoo.orgGLSA-201605-06https://security.gentoo.org/glsa/201605-06vendor-advisoryx_refsource_GENTOO
lists.opensuse.orgopenSUSE-SU-2015:1390http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00015.htmlvendor-advisoryx_refsource_SUSE

07 Fixed in

Ubuntu 14.04 LTS

firefox
Fixed in 40.0+build4-0ubuntu0.14.04.1

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.