Mozilla: Uninitialized data in IonMonkey (MFSA 2013-85)
Published Sep 18, 2013
4.3
MEDIUMCVSS 2.0
EPSS 1.79%
Description
The IonMonkey JavaScript engine in Mozilla Firefox before 24.0, Thunderbird before 24.0, and SeaMonkey before 2.21, when Valgrind mode is used, does not properly initialize memory, which makes it easier for remote attackers to obtain sensitive information via unspecified vectors.
Affected products
No data.
Configuration 1
- ≤ 2.20
- 2.0
- 2.0
- 2.0
- 2.0
- 2.0
- 2.0
- 2.0
- 2.0
- 2.0.1
- 2.0.2
- 2.0.3
- 2.0.4
- 2.0.5
- 2.0.6
- 2.0.7
- 2.0.8
- 2.0.9
- 2.0.10
- 2.0.11
- 2.0.12
- 2.0.13
- 2.0.14
- 2.1
- 2.1
- 2.1
- 2.1
- 2.1
- 2.1
- 2.1
- 2.1
- 2.1
- 2.10
- 2.10
- 2.10
- 2.10
- 2.10.1
- 2.11
- 2.11
- 2.11
- 2.11
- 2.11
- 2.11
- 2.11
- 2.12
- 2.12
- 2.12
- 2.12
- 2.12
- 2.12
- 2.12
- 2.12.1
- 2.13
- 2.13
- 2.13
- 2.13
- 2.13
- 2.13
- 2.13
- 2.13.1
- 2.13.2
- 2.14
- 2.14
- 2.14
- 2.14
- 2.14
- 2.14
- 2.15
- 2.15
- 2.15
- 2.15
- 2.15
- 2.15
- 2.15
- 2.15.1
- 2.15.2
- 2.16
- 2.16
- 2.16
- 2.16
- 2.16
- 2.16
- 2.16.1
- 2.16.2
- 2.17
- 2.17
- 2.17
- 2.17
- 2.17
- 2.17.1
- 2.18
- 2.18
- 2.18
- 2.18
- 2.19
- 2.19
- 2.19
- 2.20
- 2.20
- 2.20
Configuration 2
- ≤ 17.0.9
- 17.0
- 17.0.1
- 17.0.2
- 17.0.3
- 17.0.4
- 17.0.5
- 17.0.6
- 17.0.7
- 17.0.8
Configuration 3
- ≤ 23.0.1
- 19.0
- 19.0.1
- 19.0.2
- 20.0
- 20.0.1
- 21.0
- 22.0
- 23.0
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
| 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 |
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 and 6
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 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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 1.79% (0.01789) | 77.58th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.79% (0.01789) | 75.41th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.62% (0.00622) | 67.65th | v4 (v2025.03.14) |
| Mar 29, 2025 | 1.91% (0.01912) | 72.32th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.64% (0.00642) | 68.87th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.52% (0.00519) | 77.55th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.52% (0.00519) | 76.09th | v3 (v2023.03.01) |
| May 1, 2023 | 0.52% (0.00519) | 73.33th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.55% (0.00545) | 73.87th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.41% (0.03407) | 84.65th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.41% (0.03407) | 83.10th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.41% (0.03407) | 66.20th | v2 (v2022.01.01) |
References (17)
- http://lists.fedoraproject.org/pipermail/package-announce/2013-September/115907.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2013-September/116610.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2013-September/117526.html vendor-advisoryx_refsource_FEDORA
- http://lists.opensuse.org/opensuse-updates/2013-09/msg00055.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-updates/2013-09/msg00057.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-updates/2013-09/msg00059.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-updates/2013-09/msg00061.html vendor-advisoryx_refsource_SUSE
- http://www.mozilla.org/security/announce/2013/mfsa2013-85.html x_refsource_CONFIRMVendor Advisory
- http://www.securityfocus.com/bid/62468 vdb-entryx_refsource_BID
- http://www.ubuntu.com/usn/USN-1951-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-1952-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2013-1728 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=883686 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=1009217 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2013-1728
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18902 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2013-1728
Change history (0)
No recorded changes yet.