Buffer overflow in the ppp_hdlc function in print-ppp.c in tcpdump 4.6.2 and earlier allows remote attackers to cause a denial of service (crash) cia a crafted PPP packet.
Conclusion & alert: CVE-2014-9140 is rated High Exploit Risk (67.5/100): CVSS Medium severity, with high exploitation likelihood (EPSS 5.76%, 92th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 2026-06-15 | 5.51% | 5.76% | +0.25% |
| 2 | 2025-07-13 | 9.00% | 5.51% | -3.49% |
| 3 | 2025-03-30 | — | 9.00% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2014-9140 not yet assigned priority: Debian including 1 source packages (tcpdump), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2014-9140 |
gentoo
|
normal | CVE-2014-9140: 1 GLSA(s) (201502-05), 1 atom(s) (net-analyzer/tcpdump); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2014-9140 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2014-9140 |
suse
|
medium | CVE-2014-9140 severity moderate: SUSE including 7 source package names (tcpdump, tcpdump-3.9.8-1.27.1, …), 42 product×package rows across 42 product lines (Image SLES12-SP5-Azure-BYOS, Image SLES12-SP5-Azure-Basic-On-Demand, … (42 product lines)): Fixed 41, Known Not Affected 1. | https://www.suse.com/security/cve/CVE-2014-9140/ |
ubuntu
|
medium | CVE-2014-9140 medium priority: Ubuntu including 1 source packages (tcpdump), 5 status rows across 5 suites (lucid, precise, trusty, upstream, utopic): released 5. | https://ubuntu.com/security/CVE-2014-9140 |