Mozilla: Vorbis audio processing out of bounds write (MFSA 2018-08)
Published Jun 11, 2018
8.8
HIGHCVSS 3.0
EPSS 11.91%
Description
An out of bounds memory write while processing Vorbis audio data was reported through the Pwn2Own contest. This vulnerability affects Firefox < 59.0.1, Firefox ESR < 52.7.2, and Thunderbird < 52.7.
Affected products
-
- Version unspecifiedStatusaffectedConstraints<59.0.1
- Version
-
- Version unspecifiedStatusaffectedConstraints<52.7.2
- Version
-
- Version unspecifiedStatusaffectedConstraints<52.7
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Mozilla | Firefox | n/a |
| ||||||
| Mozilla | Firefox ESR | n/a |
| ||||||
| Mozilla | Thunderbird | n/a |
|
Configuration 1
- 6.0
- 7.0
- 6.0
- 7.0
- 7.4
- 7.6
- 7.4
- 7.5
- 7.6
- 7.4
- 7.6
- 6.0
- 7.0
Configuration 2
- 7.0
- 8.0
- 9.0
Configuration 3
- 14.04
- 16.04
- 17.10
No data.
Red Hat Enterprise Linux 6
firefox-0:52.7.2-1.el6_9
Fixed · RHSA-2018:0549
Red Hat Enterprise Linux 6
libvorbis-1:1.2.3-5.el6_9.1
Fixed · RHSA-2018:0649
Red Hat Enterprise Linux 6
thunderbird-0:52.7.0-1.el6_9
Fixed · RHSA-2018:0647
Red Hat Enterprise Linux 7
firefox-0:52.7.2-1.el7_4
Fixed · RHSA-2018:0549
Red Hat Enterprise Linux 7
libvorbis-1:1.3.3-8.el7.1
Fixed · RHSA-2018:1058
Red Hat Enterprise Linux 7
thunderbird-0:52.7.0-1.el7_4
Fixed · RHSA-2018:0648
Red Hat Enterprise Linux 5
libvorbis
Will not fix
Red Hat Enterprise Linux 5
xulrunner
Will not fix
Red Hat Enterprise Linux 6
esc
Not affected
Red Hat Enterprise Linux 6
xulrunner
Will not fix
Red Hat Enterprise Linux 7
esc
Not affected
Red Hat Enterprise Linux 7
xulrunner
Will not fix
Red Hat Enterprise Linux 8
esc
Not affected
Red Hat Enterprise Linux 8
libvorbis
Not affected
Red Hat Enterprise Linux 8
mozjs38
Not affected
Red Hat Enterprise Linux 8
mozjs45
Not affected
Red Hat Enterprise Linux 8
thunderbird
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | firefox-0:52.7.2-1.el6_9 | Fixed | RHSA-2018:0549 |
| Red Hat Enterprise Linux 6 | libvorbis-1:1.2.3-5.el6_9.1 | Fixed | RHSA-2018:0649 |
| Red Hat Enterprise Linux 6 | thunderbird-0:52.7.0-1.el6_9 | Fixed | RHSA-2018:0647 |
| Red Hat Enterprise Linux 7 | firefox-0:52.7.2-1.el7_4 | Fixed | RHSA-2018:0549 |
| Red Hat Enterprise Linux 7 | libvorbis-1:1.3.3-8.el7.1 | Fixed | RHSA-2018:1058 |
| Red Hat Enterprise Linux 7 | thunderbird-0:52.7.0-1.el7_4 | Fixed | RHSA-2018:0648 |
| Red Hat Enterprise Linux 5 | libvorbis | Will not fix | n/a |
| Red Hat Enterprise Linux 5 | xulrunner | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | esc | Not affected | n/a |
| Red Hat Enterprise Linux 6 | xulrunner | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | esc | Not affected | n/a |
| Red Hat Enterprise Linux 7 | xulrunner | Will not fix | n/a |
| Red Hat Enterprise Linux 8 | esc | Not affected | n/a |
| Red Hat Enterprise Linux 8 | libvorbis | Not affected | n/a |
| Red Hat Enterprise Linux 8 | mozjs38 | Not affected | n/a |
| Red Hat Enterprise Linux 8 | mozjs45 | Not affected | n/a |
| Red Hat Enterprise Linux 8 | thunderbird | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat Enterprise Linux 5 is now in Extended Life Phase of the support and maintenance life cycle. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/. The affected code is present in esc and xulrunner, however esc has no support for audio, and xulrunner is limited to using only local content that an attacker can not control. These components are not impacted by this vulnerability.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AV:N/AC:M/Au:N/C:P/I:P/A:P
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 3, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (40 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 11.91% (0.11905) | 95.99th | v5 (v2026.06.15) |
| Jun 15, 2026 | 12.05% (0.12054) | 95.59th | v5 (v2026.06.15) |
| Apr 17, 2026 | 55.64% (0.55641) | 98.09th | v4 (v2025.03.14) |
| Apr 13, 2026 | 44.80% (0.44797) | 97.58th | v4 (v2025.03.14) |
| Mar 17, 2026 | 41.11% (0.41108) | 97.33th | v4 (v2025.03.14) |
| Jan 13, 2026 | 55.24% (0.55237) | 97.97th | v4 (v2025.03.14) |
| Dec 28, 2025 | 60.17% (0.60166) | 98.18th | v4 (v2025.03.14) |
| Dec 27, 2025 | 56.76% (0.56763) | 98.03th | v4 (v2025.03.14) |
| Dec 26, 2025 | 60.17% (0.60166) | 98.18th | v4 (v2025.03.14) |
| Dec 23, 2025 | 61.17% (0.61166) | 98.22th | v4 (v2025.03.14) |
| Dec 21, 2025 | 43.63% (0.43626) | 97.38th | v4 (v2025.03.14) |
| Nov 21, 2025 | 29.45% (0.29452) | 96.40th | v4 (v2025.03.14) |
| Nov 18, 2025 | 22.83% (0.22828) | 95.52th | v4 (v2025.03.14) |
| Oct 28, 2025 | 29.45% (0.29452) | 96.37th | v4 (v2025.03.14) |
| Oct 27, 2025 | 26.24% (0.26243) | 96.08th | v4 (v2025.03.14) |
| Oct 1, 2025 | 29.45% (0.29452) | 96.46th | v4 (v2025.03.14) |
| Jun 19, 2025 | 26.24% (0.26243) | 96.02th | v4 (v2025.03.14) |
| Apr 10, 2025 | 17.67% (0.17666) | 94.58th | v4 (v2025.03.14) |
| Mar 30, 2025 | 25.64% (0.25635) | 95.78th | v4 (v2025.03.14) |
| Mar 29, 2025 | 59.04% (0.59037) | 97.45th | v4 (v2025.03.14) |
| Mar 28, 2025 | 25.64% (0.25635) | 95.78th | v4 (v2025.03.14) |
| Mar 27, 2025 | 59.04% (0.59037) | 97.95th | v4 (v2025.03.14) |
| Mar 20, 2025 | 54.02% (0.54023) | 97.82th | v4 (v2025.03.14) |
| Mar 19, 2025 | 59.41% (0.59415) | 98.00th | v4 (v2025.03.14) |
| Mar 17, 2025 | 54.02% (0.54023) | 97.75th | v4 (v2025.03.14) |
| Dec 17, 2024 | 32.58% (0.32580) | 97.04th | v3 (v2023.03.01) |
| Sep 14, 2024 | 34.98% (0.34978) | 97.20th | v3 (v2023.03.01) |
| Jan 29, 2024 | 37.95% (0.37950) | 96.85th | v3 (v2023.03.01) |
| Jan 5, 2024 | 39.06% (0.39056) | 96.90th | v3 (v2023.03.01) |
| Nov 2, 2023 | 44.40% (0.44398) | 96.98th | v3 (v2023.03.01) |
| Jun 5, 2023 | 44.52% (0.44517) | 96.84th | v3 (v2023.03.01) |
| Mar 7, 2023 | 50.73% (0.50728) | 96.93th | v3 (v2023.03.01) |
| Mar 6, 2023 | 18.01% (0.18006) | 96.27th | v2 (v2022.01.01) |
| Apr 10, 2022 | 18.01% (0.18006) | 95.93th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.69% (0.02686) | 81.17th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.69% (0.02686) | 62.66th | v2 (v2022.01.01) |
| Feb 3, 2022 | 4.27% (0.04270) | 74.64th | v1 |
| Jan 6, 2022 | 4.27% (0.04270) | 74.43th | v1 |
| Sep 1, 2021 | 4.27% (0.04270) | 83.53th | v1 |
| Apr 14, 2021 | 4.27% (0.04270) | 0.00th | v1 |
References (25)
- http://www.securityfocus.com/bid/103432 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1040544 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2018:0549 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2018:0647 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2018:0648 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2018:0649 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1058 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2018-5146 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1446062 x_refsource_CONFIRMIssue TrackingPermissions RequiredVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1557221 Issue Tracking
- https://lists.debian.org/debian-lts-announce/2018/03/msg00022.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/03/msg00029.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/04/msg00033.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-5146
- https://security.gentoo.org/glsa/201811-13 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://usn.ubuntu.com/3545-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/3599-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/3604-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-5146
- https://www.debian.org/security/2018/dsa-4140 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- https://www.debian.org/security/2018/dsa-4143 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- https://www.debian.org/security/2018/dsa-4155 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2018-08
- https://www.mozilla.org/security/advisories/mfsa2018-08/ x_refsource_CONFIRMVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-09/ x_refsource_CONFIRMVendor Advisory
Change history (0)
No recorded changes yet.