Mozilla: Uninitialized memory use during GIF rendering (MFSA 2014-69)
Published Sep 3, 2014
4.3
MEDIUMCVSS 2.0
EPSS 5.46%
Description
Mozilla Firefox before 32.0, Firefox ESR 31.x before 31.1, and Thunderbird 31.x before 31.1 do not properly initialize memory for GIF rendering, which allows remote attackers to obtain sensitive information from process memory via crafted web script that interacts with a CANVAS element associated with a malformed GIF image.
Affected products
No data.
No data.
Red Hat Enterprise Linux 5
firefox
Not affected
Red Hat Enterprise Linux 5
thunderbird
Not affected
Red Hat Enterprise Linux 6
firefox
Not affected
Red Hat Enterprise Linux 6
thunderbird
Not affected
Red Hat Enterprise Linux 7
firefox
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | firefox | Not affected | n/a |
| Red Hat Enterprise Linux 5 | thunderbird | Not affected | n/a |
| Red Hat Enterprise Linux 6 | firefox | Not affected | n/a |
| Red Hat Enterprise Linux 6 | thunderbird | Not affected | n/a |
| Red Hat Enterprise Linux 7 | firefox | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue does not affect the version of firefox and thunderbird as shipped with Red Hat Enterprise Linux 5, 6 and 7.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.46% (0.05465) | 92.50th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.46% (0.05465) | 91.70th | v5 (v2026.06.15) |
| Jan 18, 2026 | 14.29% (0.14285) | 94.19th | v4 (v2025.03.14) |
| Mar 30, 2025 | 15.41% (0.15414) | 94.08th | v4 (v2025.03.14) |
| Mar 29, 2025 | 23.82% (0.23817) | 93.60th | v4 (v2025.03.14) |
| Mar 17, 2025 | 15.41% (0.15414) | 94.14th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.54% (0.02543) | 90.57th | v3 (v2023.03.01) |
| Sep 28, 2023 | 1.93% (0.01930) | 87.25th | v3 (v2023.03.01) |
| Aug 11, 2023 | 1.92% (0.01924) | 87.12th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.05% (0.02047) | 87.18th | v3 (v2023.03.01) |
| Mar 6, 2023 | 15.65% (0.15648) | 96.08th | v2 (v2022.01.01) |
| Feb 15, 2023 | 15.65% (0.15648) | 95.95th | v2 (v2022.01.01) |
| Apr 1, 2022 | 16.75% (0.16755) | 95.82th | v2 (v2022.01.01) |
| Feb 4, 2022 | 16.75% (0.16755) | 92.96th | v2 (v2022.01.01) |
References (20)
- http://lists.opensuse.org/opensuse-security-announce/2014-09/msg00003.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00024.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00031.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-updates/2014-09/msg00011.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- http://packetstormsecurity.com/files/128132/Mozilla-Firefox-Secret-Leak.html x_refsource_MISC
- http://seclists.org/fulldisclosure/2014/Sep/18 mailing-listx_refsource_FULLDISC
- http://secunia.com/advisories/60148 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/61114 third-party-advisoryx_refsource_SECUNIA
- http://www.mozilla.org/security/announce/2014/mfsa2014-69.html x_refsource_CONFIRMVendor Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html x_refsource_CONFIRM
- http://www.securityfocus.com/archive/1/533357/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/69525 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1030793 vdb-entryx_refsource_SECTRACK
- http://www.securitytracker.com/id/1030794 vdb-entryx_refsource_SECTRACK
- https://access.redhat.com/security/cve/CVE-2014-1564 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1045977 x_refsource_CONFIRMIssue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=1135865 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2014-1564
- https://security.gentoo.org/glsa/201504-01 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2014-1564
Change history (0)
No recorded changes yet.