5.3

CVE-2019-15161: tcpdump libpcap Incorrect Calculation of Buffer Size

CVSS: 5.3v3.1MediumModified
AliasesALPINE-CVE-2019-15161DEBIAN-CVE-2019-15161
Published 03-10-2019Last modified 05-08-2024

Vulnerability summary

CVE-2019-15161 is a medium (CVSS 5.3) Incorrect Calculation of Buffer Size vulnerability in tcpdump libpcap. EPSS estimates a 2.76% chance of exploitation in the next 30 days, higher than 86% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (NVD)
EPSS score
2.76%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1

Timeline

  1. 03-10-2019
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

rpcapd/daemon.c in libpcap before 1.9.1 mishandles certain length values because of reuse of a variable. This may open up an attack vector involving extra data at the end of a request.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

2.76%

Chance of exploitation in the next 30 days

Percentile

86%

Versus all other CVEs

30-day change

0.00 pp

From 2.76% on 18-09-2026

18-09-202618-10-2026
EPSS score
2.76%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Alpine1 product
  • libpcap< 1.1.1-r0 | < 1.9.1-r0
Debian1 product
  • libpcap< 1.9.1-1
Tcpdump1 product

3 vendors · 3 products

References

15 links
Show all 15 references