Libspf is a niche email authentication library implementing the Sender Policy Framework protocol, embedded in mail servers and filtering systems where it validates sender identity during SMTP exchanges. The durable signal centers on memory-safety concerns in the library's protocol parsing, particularly buffer-boundary violations that arise from processing untrusted email headers. Current severity, exploitation, and exposure counts are shown alongside this summary.
The number and severity of CVEs published that impact products developed by Libspf over time
Signals from CVEs in this vendor scope (2 CVEs).
2 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2008-2469HIGH Heap-based buffer overflow in the SPF_dns_resolv_lookup function in Spf_dns_resolv.c in libspf2 before 1.2.8 allows remote attackers to execute arbitrary code via a long DNS TXT re | Oct 23, 2008 | 10.0 | 46 | NO | YES |
CVE-2006-1520MEDIUM Format string vulnerability in ANSI C Sender Policy Framework library (libspf) before 1.0.0-p5, when debugging is enabled, allows remote attackers to execute arbitrary code via for | May 22, 2006 | 6.4 | 18 | NO | NO |
Signals from CVEs in this vendor scope (2 CVEs).
An overview of all social media posts that mention a CVE ID that affects a product developed by Libspf.
Media articles that mention a CVE ID that affects a product developed by Libspf — matched by CVE ID, not by vendor name.