Mozilla: Media recorder segmentation fault when track type is changed during capture
Published Oct 18, 2018
9.8
CRITICALCVSS 3.0
EPSS 3.75%
Description
A vulnerability can occur when capturing a media stream when the media source type is changed as the capture is occurring. This can result in stream data being cast to the wrong type causing a potentially exploitable crash. This vulnerability affects Thunderbird < 60, Firefox ESR < 60.1, Firefox ESR < 52.9, and Firefox < 61.
Affected products
-
- Version unspecifiedStatusaffectedConstraints<61
- Version
-
- Version unspecifiedStatusaffectedConstraints<52.9
- Version unspecifiedStatusaffectedConstraints<60.1
- Version
-
- Version unspecifiedStatusaffectedConstraints<60
- 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
- 7.6
- 7.5
- 7.6
- 7.6
- 6.0
- 7.0
Configuration 2
- 8.0
- 9.0
Configuration 3
- 14.04
- 16.04
- 17.10
- 18.04
No data.
Red Hat Enterprise Linux 6
firefox-0:60.1.0-5.el6
Fixed · RHSA-2018:2112
Red Hat Enterprise Linux 7
firefox-0:60.1.0-4.el7_5
Fixed · RHSA-2018:2113
Red Hat Enterprise Linux 6
thunderbird
Not affected
Red Hat Enterprise Linux 7
thunderbird
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | firefox-0:60.1.0-5.el6 | Fixed | RHSA-2018:2112 |
| Red Hat Enterprise Linux 7 | firefox-0:60.1.0-4.el7_5 | Fixed | RHSA-2018:2113 |
| 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.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/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 2, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 3.75% (0.03755) | 89.55th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.75% (0.03755) | 88.44th | v5 (v2026.06.15) |
| Nov 21, 2025 | 3.11% (0.03107) | 86.32th | v4 (v2025.03.14) |
| Nov 18, 2025 | 6.84% (0.06843) | 90.44th | v4 (v2025.03.14) |
| Mar 30, 2025 | 2.72% (0.02720) | 84.65th | v4 (v2025.03.14) |
| Mar 29, 2025 | 5.18% (0.05177) | 82.78th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.72% (0.02720) | 84.95th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.64% (0.00635) | 79.81th | v3 (v2023.03.01) |
| Apr 19, 2024 | 0.64% (0.00635) | 78.88th | v3 (v2023.03.01) |
| Mar 10, 2024 | 0.65% (0.00645) | 78.76th | v3 (v2023.03.01) |
| Oct 12, 2023 | 0.72% (0.00722) | 78.42th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.70% (0.00702) | 77.22th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.69% (0.02686) | 82.85th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.69% (0.02686) | 62.66th | v2 (v2022.01.01) |
| Feb 3, 2022 | 3.48% (0.03480) | 68.33th | v5 (v2026.06.15) |
| Apr 14, 2021 | 3.48% (0.03480) | 0.00th | v1 |
References (21)
- http://www.securityfocus.com/bid/104560 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041193 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2018:2112 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2113 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2018-5156 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1453127 x_refsource_CONFIRMIssue TrackingPermissions RequiredVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1595037 Issue Tracking
- https://lists.debian.org/debian-lts-announce/2018/06/msg00014.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/11/msg00011.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-5156
- https://security.gentoo.org/glsa/201810-01 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://security.gentoo.org/glsa/201811-13 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://usn.ubuntu.com/3705-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-5156
- https://www.debian.org/security/2018/dsa-4235 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- https://www.debian.org/security/2018/dsa-4295 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2018-16/#CVE-2018-5156
- https://www.mozilla.org/security/advisories/mfsa2018-15/ x_refsource_CONFIRMVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-16/ x_refsource_CONFIRMVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-17/ x_refsource_CONFIRMVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-19/ x_refsource_CONFIRMVendor Advisory
Change history (0)
No recorded changes yet.