Format string vulnerability in the log function in Net::Server 0.87 and earlier, as used in Postfix Greylisting Policy Server (Postgrey) 1.18 and earlier, and possibly other products, allows remote attackers to cause a denial of service (crash) via format string specifiers that are not properly handled before being sent to syslog, as demonstrated using sender addresses to Postgrey
Published Apr 16, 2005
5.0
MEDIUMCVSS 2.0
EPSS 2.70%
Description
Format string vulnerability in the log function in Net::Server 0.87 and earlier, as used in Postfix Greylisting Policy Server (Postgrey) 1.18 and earlier, and possibly other products, allows remote attackers to cause a denial of service (crash) via format string specifiers that are not properly handled before being sent to syslog, as demonstrated using sender addresses to Postgrey.
Affected products
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:N/I:N/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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.70% (0.02698) | 85.40th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.70% (0.02698) | 83.92th | v5 (v2026.06.15) |
| Mar 17, 2025 | 5.75% (0.05753) | 89.78th | v4 (v2025.03.14) |
| Dec 17, 2024 | 10.11% (0.10108) | 94.91th | v3 (v2023.03.01) |
| Oct 22, 2024 | 13.63% (0.13632) | 95.74th | v3 (v2023.03.01) |
| Mar 23, 2024 | 11.56% (0.11556) | 95.13th | v3 (v2023.03.01) |
| Mar 7, 2023 | 18.79% (0.18787) | 95.38th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.78% (0.03779) | 85.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.78% (0.03779) | 84.01th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.78% (0.03779) | 67.21th | v2 (v2022.01.01) |
No CWE recorded.
References (16)
- http://lists.ee.ethz.ch/postgrey/msg00627.html mailing-listx_refsource_MLIST
- http://lists.ee.ethz.ch/postgrey/msg00630.html mailing-listx_refsource_MLIST
- http://lists.ee.ethz.ch/postgrey/msg00647.html mailing-listx_refsource_MLISTPatch
- http://marc.info/?l=full-disclosure&m=111354538331167&w=2 mailing-listx_refsource_FULLDISC
- http://secunia.com/advisories/14958 third-party-advisoryx_refsource_SECUNIAPatch
- http://secunia.com/advisories/21149 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/21152 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/21164 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/21452 third-party-advisoryx_refsource_SECUNIA
- http://www.debian.org/security/2006/dsa-1121 vendor-advisoryx_refsource_DEBIAN
- http://www.debian.org/security/2006/dsa-1122 vendor-advisoryx_refsource_DEBIAN
- http://www.gentoo.org/security/en/glsa/glsa-200608-18.xml vendor-advisoryx_refsource_GENTOO
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:131 vendor-advisoryx_refsource_MANDRIVA
- http://www.osvdb.org/15517 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/bid/13193 vdb-entryx_refsource_BID
- https://exchange.xforce.ibmcloud.com/vulnerabilities/20108 vdb-entryx_refsource_XF
Change history (0)
No recorded changes yet.