Mozilla: From address with encoded null character is cut off in message header display
Published Jun 11, 2018
5.3
MEDIUMCVSS 3.0
EPSS 1.80%
Description
It is possible to spoof the sender's email address and display an arbitrary sender address to the email recipient. The real sender's address is not displayed if preceded by a null character in the display string. This vulnerability affects Thunderbird < 52.5.2.
Affected products
-
- Version unspecifiedStatusaffectedConstraints<52.5.2
- 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 |
|
Configuration 1
- < 52.5.2
Configuration 2
- 7.4
- 6.0
- 7.0
- 7.4
- 7.5
- 6.0
- 7.0
- 6.0
- 7.0
Configuration 3
- 7.0
- 8.0
- 9.0
Configuration 4
- 14.04
- 16.04
- 17.10
No data.
Red Hat Enterprise Linux 6
thunderbird-0:52.5.2-1.el6_9
Fixed · RHSA-2018:0061
Red Hat Enterprise Linux 7
thunderbird-0:52.5.2-1.el7_4
Fixed · RHSA-2018:0061
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | thunderbird-0:52.5.2-1.el6_9 | Fixed | RHSA-2018:0061 |
| Red Hat Enterprise Linux 7 | thunderbird-0:52.5.2-1.el7_4 | Fixed | RHSA-2018:0061 |
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:N/I:L/A:N
AV:N/AC:L/Au:N/C:N/I:P/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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.80% (0.01802) | 77.71th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.80% (0.01802) | 75.59th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.41% (0.01413) | 79.20th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.32% (0.00323) | 71.55th | v3 (v2023.03.01) |
| Feb 13, 2024 | 0.46% (0.00459) | 74.58th | v3 (v2023.03.01) |
| Nov 2, 2023 | 0.46% (0.00459) | 72.58th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.64% (0.00639) | 76.57th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.59% (0.00588) | 74.91th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.18% (0.01183) | 61.76th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.18% (0.01183) | 35.15th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.86% (0.01865) | 48.06th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.86% (0.01865) | 0.00th | v1 |
References (13)
- http://www.securityfocus.com/bid/102258 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1040123 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2018:0061 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2017-7829 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1423432 x_refsource_CONFIRMExploitIssue TrackingPatch
- https://bugzilla.redhat.com/show_bug.cgi?id=1530195 Issue Tracking
- https://lists.debian.org/debian-lts-announce/2017/12/msg00026.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-7829
- https://usn.ubuntu.com/3529-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2017-7829
- https://www.debian.org/security/2017/dsa-4075 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2017-30/#CVE-2017-7829
- https://www.mozilla.org/security/advisories/mfsa2017-30/ x_refsource_CONFIRMVendor Advisory
Change history (0)
No recorded changes yet.