LOW
CVE-2019-1010220
CWE-126Published: July 22, 2019· Updated: Jun 17, 2026
3.3
CVSS v3.1
Official Description
tcpdump.org tcpdump 4.9.2 is affected by: CWE-126: Buffer Over-read. The impact is: May expose Saved Frame Pointer, Return Address etc. on stack. The component is: line 234: "ND_PRINT((ndo, "%s", buf));", in function named "print_prefix", in "print-hncp.c". The attack vector is: The victim must open a specially crafted pcap file.
Technical Analysis
CVE-2019-1010220 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityNone
AvailabilityNone
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Affected Vendors & Products
tcpdump1 product(s)
tcpdump
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (22)
→
https://github.com/the-tcpdump-group/tcpdump/blob/master/print-hncp.cPatch · Third Party Advisory
→
https://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9.2/print-hncp.cPatch · Third Party Advisory
→
https://github.com/the-tcpdump-group/tcpdump/commits/master/print-hncp.cPatch · Third Party Advisory
→
https://github.com/the-tcpdump-group/tcpdump/blob/master/print-hncp.cPatch · Third Party Advisory
Quick Facts
CVE IDCVE-2019-1010220
CVSS Score3.3 / 10
SeverityLOW
WeaknessCWE-126
CISA KEVNo
Affected1 vendor(s)
PublishedJul 22, 2019
Related CVEs (CWE-126)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2019-1010220 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.