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CVE-2019-8381

20
FAUCET Score

CVE-2019-8381 is a high-severity vulnerability affecting Tcpreplay 4.3.1, specifically the tcpreplay-edit binary, and products like Broadcom and Fedora that utilize it. An invalid memory access in the do_checksum function can be triggered by a crafted pcap file, leading to a Denial of Service (segmentation fault) or potentially other unspecified impacts. The attack requires local access and user interaction (UI:R), but has low attack complexity (AC:L). There is no evidence of active exploitation, publicly available exploit code, 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:*:*:*:*:*:*:*

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
1.05%
Probability of exploitation in next 30 days
EPSS Percentile
60.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0105 is in the 58th percentile among its peer group of 11,617 CVEs.

Social Chatter

No social media mentions found for this CVE.

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/538
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/EB3ASS7URTIA3IFSBL2DIWJAFKTBJCAW
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/MLPY6W7Z7G6PF2JN4LXXHCACYLD4RBG6
research.loginsoft.com / bugs/invalid-memory-access-vulnerability-in-function-do_checksum-tcpreplay-4-3-1
ExploitThird Party Advisory