MEDIUM
Fetchmail NULL pointer dereference
Published Aug 28, 2007
5.0
MEDIUMCVSS 2.0
EPSS 1.97%
Description
sink.c in fetchmail before 6.3.9 allows context-dependent attackers to cause a denial of service (NULL dereference and application crash) by refusing certain warning messages that are sent over SMTP.
Affected products
No data.
OR
- ≤ 6.3.9
- 4.5.1
- 4.5.2
- 4.5.3
- 4.5.4
- 4.5.5
- 4.5.6
- 4.5.7
- 4.5.8
- 4.6.0
- 4.6.1
- 4.6.2
- 4.6.3
- 4.6.4
- 4.6.5
- 4.6.6
- 4.6.7
- 4.6.8
- 4.6.9
- 4.7.0
- 4.7.1
- 4.7.2
- 4.7.3
- 4.7.4
- 4.7.5
- 4.7.6
- 4.7.7
- 5.0.0
- 5.0.1
- 5.0.2
- 5.0.3
- 5.0.4
- 5.0.5
- 5.0.6
- 5.0.7
- 5.0.8
- 5.1.0
- 5.1.4
- 5.2.0
- 5.2.1
- 5.2.3
- 5.2.4
- 5.2.7
- 5.2.8
- 5.3.0
- 5.3.1
- 5.3.3
- 5.3.8
- 5.4.0
- 5.4.3
- 5.4.4
- 5.4.5
- 5.5.0
- 5.5.2
- 5.5.3
- 5.5.5
- 5.5.6
- 5.6.0
- 5.7.0
- 5.7.2
- 5.7.4
- 5.8
- 5.8.1
- 5.8.2
- 5.8.3
- 5.8.4
- 5.8.5
- 5.8.6
- 5.8.11
- 5.8.13
- 5.8.14
- 5.8.17
- 5.9.0
- 5.9.4
- 5.9.5
- 5.9.8
- 5.9.10
- 5.9.11
- 5.9.13
- 6.0.0
- 6.1.0
- 6.1.3
- 6.2.0
- 6.2.1
- 6.2.2
- 6.2.3
- 6.2.4
- 6.2.5
- 6.2.5.1
- 6.2.5.2
- 6.2.5.4
- 6.2.6
- 6.2.6
- 6.2.6
- 6.2.9
- 6.2.9
- 6.2.9
- 6.2.9
- 6.2.9
- 6.2.9
- 6.2.9
- 6.3.0
- 6.3.1
- 6.3.2
- 6.3.3
- 6.3.4
- 6.3.5
- 6.3.6
- 6.3.6
- 6.3.6
- 6.3.6
- 6.3.6
- 6.3.6
- 6.3.7
- 6.3.8
No data.
Red Hat Enterprise Linux 3
fetchmail-0:6.2.0-3.el3.5
Fixed · RHSA-2009:1427
Red Hat Enterprise Linux 4
fetchmail-0:6.2.5-6.0.1.el4_8.1
Fixed · RHSA-2009:1427
Red Hat Enterprise Linux 5
fetchmail-0:6.3.6-1.1.el5_3.1
Fixed · RHSA-2009:1427
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 3 | fetchmail-0:6.2.0-3.el3.5 | Fixed | RHSA-2009:1427 |
| Red Hat Enterprise Linux 4 | fetchmail-0:6.2.5-6.0.1.el4_8.1 | Fixed | RHSA-2009:1427 |
| Red Hat Enterprise Linux 5 | fetchmail-0:6.3.6-1.1.el5_3.1 | Fixed | RHSA-2009:1427 |
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.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.97% 0.01971
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01971
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 (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.97% (0.01971) | 79.69th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.97% (0.01971) | 77.76th | v5 (v2026.06.15) |
| Mar 30, 2025 | 2.24% (0.02236) | 83.06th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.36% (0.03355) | 78.71th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.05% (0.02050) | 82.67th | v4 (v2025.03.14) |
| Dec 17, 2024 | 2.72% (0.02719) | 90.22th | v3 (v2023.03.01) |
| Dec 12, 2024 | 5.48% (0.05477) | 93.47th | v3 (v2023.03.01) |
| Jul 1, 2024 | 4.70% (0.04699) | 92.69th | v3 (v2023.03.01) |
| May 24, 2024 | 3.07% (0.03071) | 91.01th | v3 (v2023.03.01) |
| Apr 16, 2024 | 2.62% (0.02620) | 90.15th | v3 (v2023.03.01) |
| Jan 29, 2024 | 1.87% (0.01874) | 87.16th | v3 (v2023.03.01) |
| Sep 2, 2023 | 1.75% (0.01748) | 86.40th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.27% (0.01271) | 83.53th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.69% (0.02686) | 82.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.69% (0.02686) | 81.17th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.69% (0.02686) | 62.66th | v2 (v2022.01.01) |
Weaknesses (1)
References (26)
- http://fetchmail.berlios.de/fetchmail-SA-2007-02.txt x_refsource_CONFIRM
- http://lists.apple.com/archives/security-announce/2009/Feb/msg00000.html vendor-advisoryx_refsource_APPLE
- http://lists.opensuse.org/opensuse-security-announce/2007-10/msg00008.html vendor-advisoryx_refsource_SUSE
- http://mknod.org/svn/fetchmail/branches/BRANCH_6-3/fetchmail-SA-2007-02.txt x_refsource_CONFIRMPatch
- http://osvdb.org/45833 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/27399 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/33937 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://securityreason.com/securityalert/3074 third-party-advisoryx_refsource_SREASON
- http://support.apple.com/kb/HT3438 x_refsource_CONFIRM
- http://www.debian.org/security/2007/dsa-1377 vendor-advisoryx_refsource_DEBIAN
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:179 vendor-advisoryx_refsource_MANDRIVA
- http://www.securityfocus.com/archive/1/478798/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/archive/1/493388/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/25495 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1018627 vdb-entryx_refsource_SECTRACK
- http://www.trustix.org/errata/2007/0028/ vendor-advisoryx_refsource_TRUSTIX
- http://www.ubuntu.com/usn/usn-520-1 vendor-advisoryx_refsource_UBUNTU
- http://www.vupen.com/english/advisories/2007/3032 vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2009/0422 vdb-entryx_refsource_VUPEN
- https://access.redhat.com/security/cve/CVE-2007-4565 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=260601 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/36385 vdb-entryx_refsource_XF
- https://issues.rpath.com/browse/RPL-1690 x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2007-4565
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10528 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2007-4565
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Aug 28, 2007
Updated Aug 7, 2024
Reserved Aug 27, 2007
Link CVE-2007-4565
CISA Vulnrichment
Updated n/a