CVE-2005-0575: Buffer overflow in Stormy Studios Knet 1.04c and earlier allows remote attackers to cause a denial of service

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HIGH 7.5DOWNGRADE

CVE-2005-0575 is a high-severity flaw (CVSS 7.5) affecting knet. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in Stormy Studios Knet 1.04c and earlier allows remote attackers to cause a denial of service and possibly execute arbitrary code via a long HTTP GET request.

Why this priority

High severity
EPSS top 5%: very likely to be exploited
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	7.8% (top 5%)
CISA exploited list	No
Published	2005-05-02
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: stormy studios

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2005-05-02 04:00 UTCPublished CVE record published
2026-06-16 22:11 UTCUpdated Record last modified

stormy studios knet DOWNGRADE

Affected: 1.0 · 1.2 · 1.3 · 1.4b · 1.4c

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison knet sudo apt install knet=<VERSION_BEFORE_1.0> sudo apt-mark hold knet

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list knet sudo dnf downgrade knet-<VERSION_BEFORE_1.0> sudo dnf versionlock add knet

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: KNet Web Server 1.04c - Buffer Overflow (Denial of Service) (PoC)
Exploit-DB: KNet Web Server 1.04b - Remote Buffer Overflow (SEH)
Exploit-DB: KNet Web Server 1.04b - Stack Corruption Buffer Overflow

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-2005-0575?

knet: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2005-0575 being exploited?

CVE-2005-0575 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-2005-0575 affect?

CVE-2005-0575 affects knet. Severity is high (CVSS 7.5). Buffer overflow in Stormy Studios Knet 1.04c and earlier allows remote attackers to cause a denial of service and possibly execute arbitrary code via a long HTTP GET request.

How urgent is CVE-2005-0575?

Priority 55/100. High severity; EPSS top 5%: very likely to be exploited; Public exploit reference

References

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