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CVE-2019-1010220

15
FAUCET Score

CVE-2019-1010220 describes a buffer over-read vulnerability in tcpdump.org tcpdump version 4.9.2, specifically within the print_prefix function in print-hncp.c. This flaw could expose sensitive information like saved frame pointers or return addresses on the stack. Exploitation requires a victim to open a specially crafted pcap file, making it a low-severity issue with a CVSS score of 3.3. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
4.9.2CPE matchmatch criteria
cpe:2.3:a:tcpdump:tcpdump:4.9.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

3.3LOW

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.35%
Probability of exploitation in next 30 days
EPSS Percentile
68.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0135 is in the 76th percentile among its peer group of 577 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.0 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2019-1010220

tcpdump: buffer over-read in function print_prefix in print-hncp.c

Aug 1, 2019

References

lists.opensuse.org / opensuse-security-announce/2019-08/msg00065.html
lists.opensuse.org / opensuse-security-announce/2019-10/msg00050.html
lists.opensuse.org / opensuse-security-announce/2019-10/msg00053.html
github.com / the-tcpdump-group/tcpdump/blob/master/print-hncp.c
PatchThird Party Advisory
github.com / the-tcpdump-group/tcpdump/blob/tcpdump-4.9.2/print-hncp.c
PatchThird Party Advisory
github.com / the-tcpdump-group/tcpdump/commits/master/print-hncp.c
PatchThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/62XY42U6HY3H2APR5EHNWCZ7SAQNMMJN
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/FNYXF3IY2X65IOD422SA6EQUULSGW7FN
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/R2UDPOSGVJQIYC33SQBXMDXHH4QDSDMU
usn.ubuntu.com / 4252-1
usn.ubuntu.com / 4252-2