CVE-2019-14459: nfdump 1.6.17 and earlier is affected by an integer overflow in the function Process_ipfix_template_withdraw i

Q: How do I fix CVE-2019-14459?

nfdump: upgrade to newer than 1.6.17; debian linux: mitigate or apply the listed mitigation; fedora: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2019-14459 being exploited?

CVE-2019-14459 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2019-14459 affect?

CVE-2019-14459 affects nfdump, debian linux, fedora. Severity is high (CVSS 7.5). nfdump 1.6.17 and earlier is affected by an integer overflow in the function Process_ipfix_template_withdraw in ipfix.c that can be abused in order to crash the process remotely (denial of service).

Q: How urgent is CVE-2019-14459?

Priority 63/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action; On your watchlist

This week

HIGH 7.5REMOTEWATCHLISTUPGRADEMITIGATEMITIGATE

CVE-2019-14459 is a high-severity flaw (CVSS 7.5) affecting nfdump, debian linux, fedora. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

nfdump 1.6.17 and earlier is affected by an integer overflow in the function Process_ipfix_template_withdraw in ipfix.c that can be abused in order to crash the process remotely (denial of service).

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.7% (top 14%)
CISA exploited list	No
Weakness	CWE-190
Published	2019-07-31
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: debian · fedoraproject · nfdump project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2019-07-31 21:15 UTCPublished CVE record published
2026-06-17 02:18 UTCUpdated Record last modified

nfdump project nfdump UPGRADE

Affected: <= 1.6.17

Fixed in: newer than 1.6.17

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy nfdump || rpm -q nfdump || nfdump --version

2. UPGRADE to newer than 1.6.17 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade nfdump

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade nfdump

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

debian debian linux MITIGATE

Affected: 9.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 9.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

fedoraproject fedora MITIGATE

Affected: 29 · 30

Fixed in: no fixed release known

Safe to downgrade to: a release before 29

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2019-14459?

nfdump: upgrade to newer than 1.6.17; debian linux: mitigate or apply the listed mitigation; fedora: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2019-14459 being exploited?

CVE-2019-14459 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2019-14459 affect?

CVE-2019-14459 affects nfdump, debian linux, fedora. Severity is high (CVSS 7.5). nfdump 1.6.17 and earlier is affected by an integer overflow in the function Process_ipfix_template_withdraw in ipfix.c that can be abused in order to crash the process remotely (denial of service).

How urgent is CVE-2019-14459?

Priority 63/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action; On your watchlist

Software pages

Debian vulnerabilities

Related CVEs

CVE-2019-1010057 HIGH 7.8 UPGRADE MITIGATE nfdump 1.6.16 and earlier is affected by: Buffer Overflow

References

← Back to latest CVEs