CVE-2019-15167

The VRRP parser in tcpdump before 4.9.3 has a buffer over-read in print-vrrp.c:vrrp_print() for VRRP version 3, a different vulnerability than CVE-2018-14463.

Published: 2022-08-27 Last update: 2025-12-03 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2019-15167 is rated Moderate Risk (54.4/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.27%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2019-15167

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-10 0.07% 0.27% +0.20%
2 2025-11-21 0.47% 0.07% -0.40%
3 2025-11-18 0.47%

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2019-15167

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.1 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 5.2 [email protected]
9.1 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 5.2 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2019-15167

OS Trackers for CVE-2019-15167

vendor priority summary link
alpine CVE-2019-15167: 1 source package rows (tcpdump); 20 state rows across 10 repos (3.10-main, 3.11-main, 3.12-main, 3.17-main, 3.18-main, 3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 10, open 10. https://security.alpinelinux.org/vuln/CVE-2019-15167
debian not yet assigned CVE-2019-15167 not yet assigned priority: Debian including 1 source packages (tcpdump), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2019-15167
redhat low https://access.redhat.com/security/cve/CVE-2019-15167
suse medium CVE-2019-15167 severity moderate: SUSE including 244 source package names (10.1-2.2.74:tcpdump-4.9.2-3.9.1, 10.1-4.1:tcpdump-4.9.2-3.9.1, …), 308 product×package rows across 78 product lines (Container suse/sle-micro/5.0/toolbox, Container suse/sle-micro/5.1/toolbox, … (78 product lines)): Known Affected 157, Fixed 145, Known Not Affected 6. https://www.suse.com/security/cve/CVE-2019-15167/
ubuntu medium CVE-2019-15167 medium priority: Ubuntu including 1 source packages (tcpdump), 6 status rows across 6 suites (bionic, disco, eoan, trusty, upstream, xenial): released 4, ignored 1, not-affected 1. https://ubuntu.com/security/CVE-2019-15167

Affected software / configurations for CVE-2019-15167

Vendor Product Version Raw CPE
tcpdump tcpdump < 4.9.3 cpe:2.3:a:tcpdump:tcpdump:*:*:*:*:*:*:*:*

References for CVE-2019-15167

cvelogic Threat Intelligence