Mozilla: Same origin violation and local file stealing via PDF reader (MFSA 2015-78)
Published Aug 8, 2015 ·Due Jun 15, 2022
8.8
HIGHCVSS 3.1
EPSS 68.56%
Description
The PDF reader in Mozilla Firefox before 39.0.3, Firefox ESR 38.x before 38.1.1, and Firefox OS before 2.2 allows remote attackers to bypass the Same Origin Policy, and read arbitrary files or gain privileges, via vectors involving crafted JavaScript code and a native setter, as exploited in the wild in August 2015.
Affected products
No data.
Configuration 1
Configuration 2
- < 2.2
Configuration 4
- 12.04
- 14.04
- 15.04
Configuration 5
- 5.0
- 6.0
- 7.0
- 6.7
- 7.1
- 7.2
- 7.3
- 7.4
- 7.5
- 7.6
- 7.7
- 5.0
- 6.0
- 7.0
- 7.3
- 7.4
- 7.6
- 7.7
- 7.3
- 7.6
- 7.7
- 5.0
- 6.0
- 7.0
Configuration 6
- 11
- 11
- 11
- 11
- 13.1
- 13.2
- 11
- 11
- 12
- 11
- 11
- 11
- 11
- 11
- 12
- 11
- 11
- 12
No data.
Red Hat Enterprise Linux 5
firefox-0:38.1.1-1.el5_11
Fixed · RHSA-2015:1581
Red Hat Enterprise Linux 6
firefox-0:38.1.1-1.el6_7
Fixed · RHSA-2015:1581
Red Hat Enterprise Linux 7
firefox-0:38.1.1-1.ael7b_1
Fixed · RHSA-2015:1581
Red Hat Enterprise Linux 5
thunderbird
Not affected
Red Hat Enterprise Linux 6
thunderbird
Not affected
Red Hat Enterprise Linux 7
thunderbird
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | firefox-0:38.1.1-1.el5_11 | Fixed | RHSA-2015:1581 |
| Red Hat Enterprise Linux 6 | firefox-0:38.1.1-1.el6_7 | Fixed | RHSA-2015:1581 |
| Red Hat Enterprise Linux 7 | firefox-0:38.1.1-1.ael7b_1 | Fixed | RHSA-2015:1581 |
| Red Hat Enterprise Linux 5 | thunderbird | Not affected | n/a |
| Red Hat Enterprise Linux 6 | thunderbird | Not affected | n/a |
| Red Hat Enterprise Linux 7 | thunderbird | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:P/I:N/A:N
Date Added
May 25, 2022
Patch Due
Jun 15, 2022
Required Action
Apply updates per vendor instructions.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
ActiveAutomatable
NoTechnical Impact
TotalDecision
n/aAssessed Feb 7, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (28 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 68.56% (0.68558) | 99.32th | v5 (v2026.06.15) |
| Oct 1, 2026 | 68.56% (0.68558) | 99.32th | v5 (v2026.06.15) |
| Sep 20, 2026 | 71.34% (0.71345) | 99.38th | v5 (v2026.06.15) |
| Aug 24, 2026 | 71.43% (0.71434) | 99.36th | v5 (v2026.06.15) |
| Jul 30, 2026 | 68.66% (0.68657) | 99.27th | v5 (v2026.06.15) |
| Jul 24, 2026 | 67.33% (0.67326) | 99.23th | v5 (v2026.06.15) |
| Jun 15, 2026 | 70.02% (0.70019) | 99.29th | v5 (v2026.06.15) |
| Oct 17, 2025 | 71.57% (0.71568) | 98.65th | v4 (v2025.03.14) |
| Aug 6, 2025 | 69.92% (0.69924) | 98.59th | v4 (v2025.03.14) |
| Jul 30, 2025 | 66.54% (0.66539) | 98.45th | v4 (v2025.03.14) |
| May 27, 2025 | 75.94% (0.75940) | 98.84th | v4 (v2025.03.14) |
| Mar 30, 2025 | 86.28% (0.86285) | 99.36th | v4 (v2025.03.14) |
| Mar 29, 2025 | 89.70% (0.89697) | 99.48th | v4 (v2025.03.14) |
| Mar 28, 2025 | 86.28% (0.86285) | 99.36th | v4 (v2025.03.14) |
| Mar 17, 2025 | 89.70% (0.89697) | 99.55th | v4 (v2025.03.14) |
| Dec 17, 2024 | 91.09% (0.91095) | 99.12th | v3 (v2023.03.01) |
| Jul 15, 2024 | 89.78% (0.89784) | 98.81th | v3 (v2023.03.01) |
| Jun 29, 2024 | 89.01% (0.89011) | 98.76th | v3 (v2023.03.01) |
| May 28, 2024 | 96.79% (0.96793) | 99.68th | v3 (v2023.03.01) |
| Mar 2, 2024 | 96.50% (0.96499) | 99.56th | v3 (v2023.03.01) |
| Jan 20, 2024 | 96.54% (0.96539) | 99.52th | v3 (v2023.03.01) |
| Nov 7, 2023 | 96.68% (0.96680) | 99.52th | v3 (v2023.03.01) |
| Jul 1, 2023 | 96.60% (0.96600) | 99.41th | v3 (v2023.03.01) |
| Apr 27, 2023 | 96.56% (0.96563) | 99.35th | v3 (v2023.03.01) |
| Mar 25, 2023 | 96.55% (0.96554) | 99.31th | v3 (v2023.03.01) |
| Mar 7, 2023 | 96.43% (0.96429) | 99.23th | v3 (v2023.03.01) |
| Mar 6, 2023 | 91.90% (0.91899) | 99.90th | v2 (v2022.01.01) |
| Feb 4, 2022 | 91.90% (0.91899) | 99.88th | v2 (v2022.01.01) |
References (25)
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00009.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00010.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00014.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00015.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00021.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00016.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2015-1581.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://www.mozilla.org/security/announce/2015/mfsa2015-78.html x_refsource_CONFIRMVendor Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html x_refsource_CONFIRMPatchThird Party Advisory
- http://www.securityfocus.com/bid/76249 vdb-entryx_refsource_BIDBroken LinkThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1033216 vdb-entryx_refsource_SECTRACKBroken LinkThird Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-2707-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://access.redhat.com/articles/1563163
- https://access.redhat.com/security/cve/CVE-2015-4495 Vendor Advisory
- https://blog.mozilla.org/security/2015/08/06/firefox-exploit-found-in-the-wild/ x_refsource_CONFIRMIssue TrackingVendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1178058 x_refsource_CONFIRMIssue Tracking
- https://bugzilla.mozilla.org/show_bug.cgi?id=1179262 x_refsource_CONFIRMIssue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=1251318 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2015-4495
- https://security.gentoo.org/glsa/201512-10 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-4495 government-resourceUS Government Resource
- https://www.cve.org/CVERecord?id=CVE-2015-4495
- https://www.exploit-db.com/exploits/37772/ exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
- https://www.mozilla.org/security/announce/2015/mfsa2015-78.html
Change history (0)
No recorded changes yet.