Mozilla: Full plaintext recovery in S/MIME via chosen-ciphertext attack
Published Jun 11, 2018
7.5
HIGHCVSS 3.0
EPSS 1.77%
Description
Using remote content in encrypted messages can lead to the disclosure of plaintext. This vulnerability affects Thunderbird ESR < 52.8 and Thunderbird < 52.8.
Affected products
-
- Version unspecifiedStatusaffectedConstraints<52.8
- Version
-
- Version unspecifiedStatusaffectedConstraints<52.8
- 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 | Thunderbird | n/a |
| ||||||
| Mozilla | Thunderbird ESR | n/a |
|
Configuration 1
- 7.0
- 8.0
- 9.0
Configuration 2
- < 52.8.0
- < 52.8.0
Configuration 3
- 14.04
- 16.04
- 17.10
- 18.04
Configuration 4
- 6.0
- 7.0
- 6.0
- 7.0
- 6.0
- 7.0
- 7.6
- 7.5
- 7.6
- 7.6
- 6.0
- 7.0
No data.
Red Hat Enterprise Linux 6
thunderbird-0:52.8.0-2.el6_9
Fixed · RHSA-2018:1726
Red Hat Enterprise Linux 7
thunderbird-0:52.8.0-1.el7_5
Fixed · RHSA-2018:1725
Red Hat Enterprise Linux 8
thunderbird
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | thunderbird-0:52.8.0-2.el6_9 | Fixed | RHSA-2018:1726 |
| Red Hat Enterprise Linux 7 | thunderbird-0:52.8.0-1.el7_5 | Fixed | RHSA-2018:1725 |
| Red Hat Enterprise Linux 8 | 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:N/A:N
AV:N/AC:L/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
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 (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.77% (0.01775) | 77.39th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.80% (0.01798) | 75.54th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.82% (0.00820) | 72.72th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.13% (0.00132) | 49.78th | v3 (v2023.03.01) |
| Jan 5, 2024 | 0.21% (0.00215) | 59.44th | v3 (v2023.03.01) |
| Dec 12, 2023 | 0.27% (0.00274) | 64.47th | v3 (v2023.03.01) |
| Nov 2, 2023 | 0.53% (0.00530) | 74.50th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.64% (0.00644) | 76.64th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.52% (0.00522) | 73.29th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.54% (0.01537) | 74.52th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.54% (0.01537) | 51.33th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.27% (0.02273) | 50.89th | v5 (v2026.06.15) |
| Apr 14, 2021 | 2.27% (0.02273) | 0.00th | v1 |
References (15)
- http://www.securityfocus.com/bid/104240 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1040946 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2018:1725 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1726 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2018-5184 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1411592 x_refsource_CONFIRMIssue TrackingPermissions RequiredVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1580236 Issue Tracking
- https://lists.debian.org/debian-lts-announce/2018/05/msg00013.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-5184
- https://security.gentoo.org/glsa/201811-13 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://usn.ubuntu.com/3660-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-5184
- https://www.debian.org/security/2018/dsa-4209 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2018-13/#CVE-2018-5184
- https://www.mozilla.org/security/advisories/mfsa2018-13/ x_refsource_CONFIRMVendor Advisory
Change history (0)
No recorded changes yet.