CVE-2004-0316: Buffer overflow in Avirt Soho 4.3 allows remote attackers to cause a denial of service (crash) via (1) a large

Routine

MEDIUM 5.0DOWNGRADE

CVE-2004-0316 is a medium-severity flaw (CVSS 5.0) affecting avirt soho. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in Avirt Soho 4.3 allows remote attackers to cause a denial of service (crash) via (1) a large GET request to port 1080 or (2) a large GET request of % characters to port 8080.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	2.6% (top 15%)
CISA exploited list	No
Published	2004-11-23
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: avirt

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

Am I affected?

Timeline

2004-11-23 05:00 UTCPublished CVE record published
2026-06-16 22:05 UTCUpdated Record last modified

avirt avirt soho DOWNGRADE

Affected: 4.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.3

1. Check installed version

apt-cache policy avirt-soho || rpm -q avirt-soho || avirt-soho --version

2. No fixed release: DOWNGRADE to a release before 4.3 (Debian / Ubuntu)

apt-cache madison avirt-soho sudo apt install avirt-soho=<VERSION_BEFORE_4.3> sudo apt-mark hold avirt-soho

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

dnf --showduplicates list avirt-soho sudo dnf downgrade avirt-soho-<VERSION_BEFORE_4.3> sudo dnf versionlock add avirt-soho

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.

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-2004-0316?

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

Is CVE-2004-0316 being exploited?

CVE-2004-0316 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-2004-0316 affect?

CVE-2004-0316 affects avirt soho. Severity is medium (CVSS 5.0). Buffer overflow in Avirt Soho 4.3 allows remote attackers to cause a denial of service (crash) via (1) a large GET request to port 1080 or (2) a large GET request of % characters to port 8080.

How urgent is CVE-2004-0316?

Priority 39/100. No elevated risk signals yet.

Related CVEs

CVE-2002-0133 HIGH 7.5 DOWNGRADE DOWNGRADE Buffer overflows in Avirt Gateway Suite 4.2 allow remote attackers to cause a denial of service and possibly e

References

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