CVE-2005-0861: Multiple buffer overflows in DeleGate before 8.11.1 may allow attackers to cause a denial of service or execut

Q: How do I fix CVE-2005-0861?

delegate: upgrade to newer than 8.11.0. Exact commands for each OS are on this page.

Q: Is CVE-2005-0861 being exploited?

CVE-2005-0861 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-2005-0861 affect?

CVE-2005-0861 affects delegate. Severity is high (CVSS 7.5). Multiple buffer overflows in DeleGate before 8.11.1 may allow attackers to cause a denial of service or execute arbitrary code, possibly due to "overflows on arrays."

This month

HIGH 7.5UPGRADE

CVE-2005-0861 is a high-severity flaw (CVSS 7.5) affecting delegate. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple buffer overflows in DeleGate before 8.11.1 may allow attackers to cause a denial of service or execute arbitrary code, possibly due to "overflows on arrays."

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	2.4% (top 16%)
CISA exploited list	No
Published	2005-05-02
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: delegate

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

delegate delegate UPGRADE

Affected: <= 8.11.0

Fixed in: newer than 8.11.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 8.11.0 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade delegate

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-2005-0861?

delegate: upgrade to newer than 8.11.0. Exact commands for each OS are on this page.

Is CVE-2005-0861 being exploited?

CVE-2005-0861 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-2005-0861 affect?

CVE-2005-0861 affects delegate. Severity is high (CVSS 7.5). Multiple buffer overflows in DeleGate before 8.11.1 may allow attackers to cause a denial of service or execute arbitrary code, possibly due to "overflows on arrays."

How urgent is CVE-2005-0861?

Priority 47/100. High severity

Related CVEs

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CVE-2006-2072 MEDIUM 5.0 DOWNGRADE Multiple unspecified vulnerabilities in DeleGate 9.x before 9.0.6 and 8.x before 8.11.6 allow remote attackers
CVE-2005-0036 MEDIUM 5.0 UPGRADE DOWNGRADE The DNS implementation in DeleGate 8.10.2 and earlier allows remote attackers to cause a denial of service via
CVE-2004-2003 HIGH 7.5 DOWNGRADE Buffer overflow in the ssl_prcert function in the SSLway filter (sslway.c) for DeleGate 8.9.2 and earlier allo
CVE-2004-0789 MEDIUM 5.0 DOWNGRADE DOWNGRADE Multiple implementations of the DNS protocol, including (1) Poslib 1.0.2-1 and earlier as used by Posadis, (2)

References

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