imp: privacy compromise via DNS prefetching in web mail
Published Jan 29, 2010
5.0
MEDIUMCVSS 2.0
EPSS 1.98%
Description
Horde IMP 4.3.6 and earlier does not request that the web browser avoid DNS prefetching of domain names contained in e-mail messages, which makes it easier for remote attackers to determine the network location of the webmail user by logging DNS requests.
Affected products
No data.
- ≤ 4.3.6
- 2.0
- 2.2
- 2.2.1
- 2.2.2
- 2.2.3
- 2.2.4
- 2.2.5
- 2.2.6
- 2.2.7
- 2.2.8
- 2.3
- 3.0
- 3.1
- 3.1.2
- 3.2
- 3.2.1
- 3.2.2
- 3.2.3
- 3.2.4
- 3.2.5
- 3.2.6
- 3.2.7
- 3.2.7
- 4.0
- 4.0.1
- 4.0.2
- 4.0.3
- 4.0.4
- 4.1.3
- 4.1.5
- 4.1.6
- 4.2
- 4.2.1
- 4.2.2
- 4.3
- 4.3.1
- 4.3.2
- 4.3.3
- 4.3.4
- 4.3.5
No data.
No Red Hat product state for this CVE.
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.
No CVSS v3.0 score for this CVE.
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
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.98% (0.01983) | 79.82th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.93% (0.01929) | 77.28th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.26% (0.00260) | 47.39th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.33% (0.00330) | 71.89th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.33% (0.00330) | 70.21th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.33% (0.00330) | 66.40th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
References (7)
- http://bugs.horde.org/ticket/8836 x_refsource_CONFIRMPatch
- https://access.redhat.com/security/cve/CVE-2010-0463 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=560140 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/56052 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2010-0463
- https://secure.grepular.com/DNS_Prefetch_Exposure_on_Thunderbird_and_Webmail x_refsource_MISC
- https://www.cve.org/CVERecord?id=CVE-2010-0463
| Link | Providers | Tags |
|---|---|---|
| http://bugs.horde.org/ticket/8836 | x_refsource_CONFIRMPatch | |
| https://access.redhat.com/security/cve/CVE-2010-0463 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=560140 | Issue Tracking | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/56052 | vdb-entryx_refsource_XF | |
| https://nvd.nist.gov/vuln/detail/CVE-2010-0463 | ||
| https://secure.grepular.com/DNS_Prefetch_Exposure_on_Thunderbird_and_Webmail | x_refsource_MISC | |
| https://www.cve.org/CVERecord?id=CVE-2010-0463 |
Change history (0)
No recorded changes yet.