CVE-2006-5974
fetchmail 6.3.5 and 6.3.6 before 6.3.6-rc4, when refusing a message delivered via the mda option,...
CVE-2006-5974 is a high vulnerability (CVSS 7.8) in Fetchmail, published December 31, 2006. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.01%, the 90th percentile. Fixed in fetchmail 6.3.6-1.
fetchmail 6.3.5 and 6.3.6 before 6.3.6-rc4, when refusing a message delivered via the mda option, allows remote attackers to cause a denial of service (crash) via unknown vectors that trigger a NULL pointer dereference when calling the (1) ferror or (2) fflush functions.
Exploit likelihood
What each source reports
NVD Score used
fetchmail 6.3.5 and 6.3.6 before 6.3.6-rc4, when refusing a message delivered via the mda option, allows remote attackers to cause a denial of service (crash) via unknown vectors that trigger a NULL pointer dereference when calling the (1) ferror or (2) fflush functions.
- Record
CVE-2006-5974- CVSS 2.0
- 7.8 High
AV:N/AC:L/Au:N/C:N/I:N/A:C - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
fetchmail 6.3.5 and 6.3.6 before 6.3.6-rc4, when refusing a message delivered via the mda option, allows remote attackers to cause a denial of service (crash) via unknown vectors that trigger a NULL pointer dereference when calling the (1) ferror or (2) fflush functions.
- Record
CVE-2006-5974- Updated
- 2026-11-02
EUVDEUVD-2006-5957 No score
fetchmail 6.3.5 and 6.3.6 before 6.3.6-rc4, when refusing a message delivered via the mda option, allows remote attackers to cause a denial of service (crash) via unknown vectors that trigger a NULL pointer dereference when calling the (1) ferror or (2) fflush functions.
- Record
EUVD-2006-5957- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qjgr-cmw7-hw63 No score
fetchmail 6.3.5 and 6.3.6 before 6.3.6-rc4, when refusing a message delivered via the mda option,...
fetchmail 6.3.5 and 6.3.6 before 6.3.6-rc4, when refusing a message delivered via the mda option, allows remote attackers to cause a denial of service (crash) via unknown vectors that trigger a NULL pointer dereference when calling the (1) ferror or (2) fflush functions.
- Record
GHSA-qjgr-cmw7-hw63- Weakness
- CWE-20
- Updated
- 2026-11-02
OSV No score
fetchmail 6.3.5 and 6.3.6 before 6.3.6-rc4, when refusing a message delivered via the mda option, allows remote attackers to cause a denial of service (crash) via unknown vectors that trigger a NULL pointer dereference when calling the (1) ferror or (2) fflush functions.
- Record
CVE-2006-5974- Updated
- 2026-11-02
OSVDEBIAN-CVE-2006-5974 No score
fetchmail 6.3.5 and 6.3.6 before 6.3.6-rc4, when refusing a message delivered via the mda option, allows remote attackers to cause a denial of service (crash) via unknown vectors that trigger a NULL pointer dereference when calling the (1) ferror or (2) fflush functions.
- Record
DEBIAN-CVE-2006-5974- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10753-1 No score
fetchmail-6.4.21-2.1 on GA media
These are all security issues fixed in the fetchmail-6.4.21-2.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10753-1- Updated
- 2026-11-02
Affected products
Affected packages
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |
References
securitytracker.com/id?1017479
slackware.com/security/viewer.php?l=slackware-security&y=2007&m=slackware-security.517995
fetchmail.berlios.de/fetchmail-SA-2006-03.txt
secunia.com/advisories/23838
securityfocus.com/archive/1/456114/100/0/threaded
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vupen.com/english/advisories/2007/0088
novell.com/linux/security/advisories/2007_4_sr.html
fedoranews.org/cms/node/2429
osvdb.org/31836
openpkg.com/security/advisories/OpenPKG-SA-2007.004.html
trustix.org/errata/2007/0007
security.gentoo.org/glsa/glsa-200701-13.xml
nvd.nist.gov/vuln/detail/CVE-2006-5974
github.com/advisories/GHSA-qjgr-cmw7-hw63
security-tracker.debian.org/tracker/CVE-2006-5974
suse.com/security/cve/CVE-2006-0321