CVE-2018-25213: Nsauditor 3.0.28.0 contains a structured exception handling buffer overflow vulnerability that allows local at

Q: How do I fix CVE-2018-25213?

nsauditor: upgrade to 3.2.7. Exact commands for each OS are on this page.

Q: Is CVE-2018-25213 being exploited?

CVE-2018-25213 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-2018-25213 affect?

CVE-2018-25213 affects nsauditor. Severity is high (CVSS 8.4). Nsauditor 3.0.28.0 contains a structured exception handling buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying malicious input to the DNS Lookup tool. Attackers can craft a payload with SEH chai

Q: How urgent is CVE-2018-25213?

Priority 39/100. High severity; Public exploit reference

Routine

HIGH 8.4UPGRADE

CVE-2018-25213 is a high-severity flaw (CVSS 8.4) affecting nsauditor. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Nsauditor 3.0.28.0 contains a structured exception handling buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying malicious input to the DNS Lookup tool. Attackers can craft a payload with SEH chain overwrite and inject shellcode through the DNS Query field to achieve code execution with application privileges.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.4 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 84%)
CISA exploited list	No
Weakness	CWE-787
Published	2026-03-26
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: nsasoft

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

Am I affected?

Timeline

2026-03-26 14:16 UTCPublished CVE record published
2026-06-17 01:54 UTCUpdated Record last modified

nsasoft nsauditor UPGRADE

Affected: < 3.2.7

Fixed in: 3.2.7

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 3.2.7 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade nsauditor

Note

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

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-2018-25213?

nsauditor: upgrade to 3.2.7. Exact commands for each OS are on this page.

Is CVE-2018-25213 being exploited?

CVE-2018-25213 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-2018-25213 affect?

CVE-2018-25213 affects nsauditor. Severity is high (CVSS 8.4). Nsauditor 3.0.28.0 contains a structured exception handling buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying malicious input to the DNS Lookup tool. Attackers can craft a payload with SEH chai

How urgent is CVE-2018-25213?

Priority 39/100. High severity; Public exploit reference

Related CVEs

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References

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