neon 0.28.0 through 0.28.2 allows remote servers to cause a denial of service (NULL pointer dereference and crash) via vectors related to Digest authentication, Digest domain parameter support, and the parse_domain function.
Conclusion & alert: CVE-2008-3746 is rated Moderate Risk (43.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.67%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-03-30 | 3.31% | 1.67% | -1.64% |
| 2 | 2025-03-29 | 1.67% | 3.31% | +1.64% |
| 3 | 2025-03-19 | — | 1.67% | — |
Full EPSS history (11 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2008-3746 not yet assigned priority: Debian including 1 source packages (neon27), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2008-3746 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2008-3746 |
suse
|
medium | CVE-2008-3746 severity moderate: SUSE including 13 source package names (libneon-devel-0.29.6-6.7.1, libneon-devel-0.31.2-2.6, …), 20 product×package rows across 7 product lines (SUSE Linux Enterprise Server 11 SP1, SUSE Linux Enterprise Server 11 SP2, … (7 product lines)): Fixed 20. | https://www.suse.com/security/cve/CVE-2008-3746/ |
ubuntu
|
low | CVE-2008-3746 low priority: Ubuntu including 1 source packages (neon27), 7 status rows across 7 suites (dapper, feisty, gutsy, hardy, intrepid, jaunty, upstream): DNE 3, not-affected 2, needs-triage 1, released 1. | https://ubuntu.com/security/CVE-2008-3746 |
: Per: http://cwe.mitre.org/data/definitions/476.html 'CWE-476: NULL Pointer Dereference'
Not vulnerable. This issue did not affect the versions of neon as shipped with Red Hat Enterprise Linux 4, or 5.