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CVE-2019-8377

26
FAUCET Score

CVE-2019-8377 is a NULL pointer dereference vulnerability in Tcpreplay 4.3.1, affecting products like broadcom tcpreplay and fedoraproject tcpreplay. An attacker can trigger this by providing a specially crafted pcap file to the tcpreplay-edit binary. This vulnerability carries a high CVSS score of 7.8, indicating a significant risk of Denial of Service (segmentation fault) and potentially other impacts, requiring user interaction for exploitation. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
4.3.1CPE matchmatch criteria
cpe:2.3:a:broadcom:tcpreplay:4.3.1:*:*:*:*:*:*:*
28CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:*
29CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
30CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
31CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.32%
Probability of exploitation in next 30 days
EPSS Percentile
67.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0132 is in the 65th percentile among its peer group of 11,616 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / appneta/tcpreplay/issues/536
ExploitIssue TrackingThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/4V3SADKXUSHWTVAPU3WLXBDEQUHRA6ZO
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/4YAT4AGTHQKB74ETOQPJMV67TSDIAPOC
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/EB3ASS7URTIA3IFSBL2DIWJAFKTBJCAW
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/MLPY6W7Z7G6PF2JN4LXXHCACYLD4RBG6
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/UOSEIQ3D2OONCJEVMGC2TYBC2QX4E5EJ
research.loginsoft.com / bugs/null-pointer-dereference-vulnerability-in-function-get_ipv6_l4proto-tcpreplay-4-3-1
ExploitThird Party Advisory
securityfocus.com / bid/107085
Third Party AdvisoryVDB Entry