CVE-2006-2413: GNUnet before SVN revision 2781 allows remote attackers to cause a denial of service (infinite loop and CPU co

Q: How do I fix CVE-2006-2413?

gnunet: upgrade to newer than 0.7.0d. Exact commands for each OS are on this page.

Q: Is CVE-2006-2413 being exploited?

CVE-2006-2413 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-2006-2413 affect?

CVE-2006-2413 affects gnunet. Severity is medium (CVSS 5.0). GNUnet before SVN revision 2781 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via an empty UDP datagram, possibly involving FIONREAD errors.

Q: How urgent is CVE-2006-2413?

Priority 46/100. EPSS top 8%: very likely to be exploited; Public exploit reference

This month

MEDIUM 5.0UPGRADE

CVE-2006-2413 is a medium-severity flaw (CVSS 5.0) affecting gnunet. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

GNUnet before SVN revision 2781 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via an empty UDP datagram, possibly involving FIONREAD errors.

Why this priority

EPSS top 8%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	5.2% (top 8%)
CISA exploited list	No
Published	2006-05-16
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: gnunet

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

Am I affected?

Timeline

2006-05-16 10:02 UTCPublished CVE record published
2026-06-16 22:24 UTCUpdated Record last modified

gnunet gnunet UPGRADE

Affected: <= 0.7.0d · 0.7.0 · 0.7.0a · 0.7.0b · 0.7.0c

Fixed in: newer than 0.7.0d

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 0.7.0d (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade gnunet

Note

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

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: GNUnet 0.7.0d - Empty UDP Packet Remote Denial of Service

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-2006-2413?

gnunet: upgrade to newer than 0.7.0d. Exact commands for each OS are on this page.

Is CVE-2006-2413 being exploited?

CVE-2006-2413 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-2006-2413 affect?

CVE-2006-2413 affects gnunet. Severity is medium (CVSS 5.0). GNUnet before SVN revision 2781 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via an empty UDP datagram, possibly involving FIONREAD errors.

How urgent is CVE-2006-2413?

Priority 46/100. EPSS top 8%: very likely to be exploited; Public exploit reference

References

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