CVE-2005-0813: Buffer overflow in Initial Redirect (ir) Squid Proxy Plug-In 0.1 and 0.2 may allow attackers to cause a denial

Routine

MEDIUM 5.0DOWNGRADE

CVE-2005-0813 is a medium-severity flaw (CVSS 5.0) affecting initial redirect squid proxy plug-in. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in Initial Redirect (ir) Squid Proxy Plug-In 0.1 and 0.2 may allow attackers to cause a denial of service and execute arbitrary code via unknown vectors.

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	2.5% (top 15%)
CISA exploited list	No
Published	2005-05-02
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: initial redirect

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

initial redirect initial redirect squid proxy plug-in DOWNGRADE

Affected: 0.1 · 0.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.1

1. Check installed version

apt-cache policy initial-redirect-squid-proxy-plug-in || rpm -q initial-redirect-squid-proxy-plug-in || initial-redirect-squid-proxy-plug-in --version

2. No fixed release: DOWNGRADE to a release before 0.1 (Debian / Ubuntu)

apt-cache madison initial-redirect-squid-proxy-plug-in sudo apt install initial-redirect-squid-proxy-plug-in=<VERSION_BEFORE_0.1> sudo apt-mark hold initial-redirect-squid-proxy-plug-in

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

dnf --showduplicates list initial-redirect-squid-proxy-plug-in sudo dnf downgrade initial-redirect-squid-proxy-plug-in-<VERSION_BEFORE_0.1> sudo dnf versionlock add initial-redirect-squid-proxy-plug-in

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-2005-0813?

initial redirect squid proxy plug-in: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2005-0813 being exploited?

CVE-2005-0813 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-2005-0813 affect?

CVE-2005-0813 affects initial redirect squid proxy plug-in. Severity is medium (CVSS 5.0). Buffer overflow in Initial Redirect (ir) Squid Proxy Plug-In 0.1 and 0.2 may allow attackers to cause a denial of service and execute arbitrary code via unknown vectors.

How urgent is CVE-2005-0813?

Priority 39/100. No elevated risk signals yet.

Software pages

Squid vulnerabilities

References

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