CVE-2014-9140

CVE-2014-9140 is a medium-severity vulnerability in Redhat Tcpdump with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

• Severity: Medium (CVSS 2.0 base score 5.0)
• EPSS exploit prediction: 6% (92nd percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-119
• Affected product: Redhat Tcpdump
• Published: 2014-12-05
• Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2014-9140?

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.

How severe is CVE-2014-9140?

CVE-2014-9140 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2014-9140 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-9140?

CVE-2014-9140 affects Redhat Tcpdump. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2014-9140?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2014-9140 published?

CVE-2014-9140 was published on 2014-12-05 and last updated on 2026-06-17.

References

• http://advisories.mageia.org/MGASA-2014-0511.html
• http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html
• http://lists.opensuse.org/opensuse-updates/2015-03/msg00084.html
• http://packetstormsecurity.com/files/130730/tcpdump-Denial-Of-Service-Code-Execution.html
• http://seclists.org/tcpdump/2014/q4/72
• http://www.debian.org/security/2014/dsa-3086
• http://www.debian.org/security/2015/dsa-3193
• http://www.mandriva.com/security/advisories?name=MDVSA-2014:240
• http://www.mandriva.com/security/advisories?name=MDVSA-2015:125
• http://www.securityfocus.com/archive/1/534829/100/0/threaded
• http://www.securityfocus.com/bid/71468
• http://www.ubuntu.com/usn/USN-2433-1
• https://github.com/the-tcpdump-group/tcpdump/commit/0f95d441e4b5d7512cc5c326c8668a120e048eda
• https://support.apple.com/kb/HT205031

Affected products (1)

• cpe:2.3:a:redhat:tcpdump:*:*:*:*:*:*:*:*

More vulnerabilities in Redhat Tcpdump

• CVE-2003-0989 — High (CVSS 7.5): tcpdump before 3.8.1 allows remote attackers to cause a denial of service (infinite loop) via certain ISAKMP packets, a…
• CVE-2014-8769 — Medium (CVSS 6.4): tcpdump 3.8 through 4.6.2 might allow remote attackers to obtain sensitive information from memory or cause a denial of…
• CVE-2014-8768 — Medium (CVSS 5.0): Multiple Integer underflows in the geonet_print function in tcpdump 4.5.0 through 4.6.2, when in verbose mode, allow…
• CVE-2014-8767 — Medium (CVSS 5.0): Integer underflow in the olsr_print function in tcpdump 3.9.6 through 4.6.2, when in verbose mode, allows remote…
• CVE-2003-0194 — Medium (CVSS 4.6): tcpdump does not properly drop privileges to the pcap user when starting up.

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