Buffer overflow in the ppp_hdlc function in print-ppp.c in tcpdump 4.6.2 and earlier…
Priority LOW 32CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.05761 93rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Will not fix Red Hat: no fix planned
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Will not fix |
Timeline
- 2026-10-02 Threatist record created from CVE-2014-9140
- 2026-10-03 Alias added: GHSA-v564-r5jq-5c36
References
Exploit 1
Patch 1
More Red Hat Tcpdump vulnerabilities
- TI-2014-07196 Multiple Integer underflows in the geonet_print function in tcpdump 4.5.0 through 4.6.2… CVSS 2.0MEDIUM 5.0
- TI-2003-00895 tcpdump before 3.8.1 allows remote attackers to cause a denial of service (infinite loop)… CVSS 2.0HIGH 7.5
- TI-2014-07197 tcpdump 3.8 through 4.6.2 might allow remote attackers to obtain sensitive information… CVSS 2.0MEDIUM 6.4
- TI-2014-07195 Integer underflow in the olsr_print function in tcpdump 3.9.6 through 4.6.2, when in… CVSS 2.0MEDIUM 5.0
- TI-2003-00180 tcpdump does not properly drop privileges to the pcap user when starting up. CVSS 2.0MEDIUM 4.6
Sources
- CVE-2014-9140 · CVE Program
- CVE-2014-9140 · NVD
- FIRST EPSS
- GHSA-v564-r5jq-5c36 · GitHub Advisory Database · CC BY 4.0
- CVE-2014-9140 · Red Hat security data · CC BY 4.0
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