cyrus-imapd: Integer overflow in index_urlfetch
Published Dec 3, 2015
7.5
HIGHCVSS 2.0
EPSS 2.75%
Description
Integer overflow in the index_urlfetch function in imap/index.c in Cyrus IMAP 2.3.19, 2.4.18, and 2.5.6 allows remote attackers to have unspecified impact via vectors related to urlfetch range checks and the section_offset variable. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-8076.
Affected products
No data.
Configuration 2
- 2.3.0
- 2.3.1
- 2.3.2
- 2.3.3
- 2.3.4
- 2.3.5
- 2.3.6
- 2.3.7
- 2.3.8
- 2.3.9
- 2.3.10
- 2.3.11
- 2.3.12
- 2.3.13
- 2.3.14
- 2.3.15
- 2.3.16
- 2.3.17
- 2.3.18
- 2.4.0
- 2.4.1
- 2.4.2
- 2.4.3
- 2.4.4
- 2.4.5
- 2.4.6
- 2.4.7
- 2.4.8
- 2.4.9
- 2.4.10
- 2.4.11
- 2.4.12
- 2.4.13
- 2.4.14
- 2.4.15
- 2.4.16
- 2.4.17
- 2.5.0
- 2.5.1
- 2.5.2
- 2.5.3
No data.
Red Hat Enterprise Linux 5
cyrus-imapd
Not affected
Red Hat Enterprise Linux 6
cyrus-imapd
Not affected
Red Hat Enterprise Linux 7
cyrus-imapd
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | cyrus-imapd | Not affected | n/a |
| Red Hat Enterprise Linux 6 | cyrus-imapd | Not affected | n/a |
| Red Hat Enterprise Linux 7 | cyrus-imapd | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Not vulnerable. This issue did not affect the versions of cyrus-imapd as shipped with Red Hat Enterprise Linux 5, 6 and 7, as they did not include the patch to fix CVE-2015-8076, which introduced the CVE-2015-8078 issue.
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: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 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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.75% (0.02753) | 85.70th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.73% (0.02730) | 84.11th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.82% (0.00819) | 72.16th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.39% (0.02392) | 75.03th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.89% (0.00886) | 73.81th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.37% (0.01370) | 86.84th | v3 (v2023.03.01) |
| Mar 4, 2024 | 1.37% (0.01370) | 85.92th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.85% (0.01848) | 86.45th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
References (11)
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00066.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00000.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-updates/2015-11/msg00156.html vendor-advisoryx_refsource_SUSE
- http://www.openwall.com/lists/oss-security/2015/11/04/3 mailing-listx_refsource_MLIST
- http://www.securitytracker.com/id/1034282 vdb-entryx_refsource_SECTRACK
- https://access.redhat.com/security/cve/CVE-2015-8078 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1278380 Issue Tracking
- https://cyrus.foundation/cyrus-imapd/commit/?id=6fb6a272171f49c79ba6ab7c6403eb25b39ec1b2 x_refsource_CONFIRM
- https://docs.cyrus.foundation/imap/release-notes/2.5/x/2.5.7.html x_refsource_CONFIRMVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2015-8078
- https://www.cve.org/CVERecord?id=CVE-2015-8078
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00066.html | vendor-advisoryx_refsource_SUSE | |
| http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00000.html | vendor-advisoryx_refsource_SUSE | |
| http://lists.opensuse.org/opensuse-updates/2015-11/msg00156.html | vendor-advisoryx_refsource_SUSE | |
| http://www.openwall.com/lists/oss-security/2015/11/04/3 | mailing-listx_refsource_MLIST | |
| http://www.securitytracker.com/id/1034282 | vdb-entryx_refsource_SECTRACK | |
| https://access.redhat.com/security/cve/CVE-2015-8078 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1278380 | Issue Tracking | |
| https://cyrus.foundation/cyrus-imapd/commit/?id=6fb6a272171f49c79ba6ab7c6403eb25b39ec1b2 | x_refsource_CONFIRM | |
| https://docs.cyrus.foundation/imap/release-notes/2.5/x/2.5.7.html | x_refsource_CONFIRMVendor Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2015-8078 | ||
| https://www.cve.org/CVERecord?id=CVE-2015-8078 |
Change history (0)
No recorded changes yet.