CVE-2006-0768: Kadu 0.4.3 allows remote attackers to cause a denial of service (application crash) via a large number of imag

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MEDIUM 5.0DOWNGRADE

CVE-2006-0768 is a medium-severity flaw (CVSS 5.0) affecting kadu. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Kadu 0.4.3 allows remote attackers to cause a denial of service (application crash) via a large number of image send requests.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.9% (top 21%)
CISA exploited list	No
Published	2006-02-18
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: kadu

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

Am I affected?

Timeline

2006-02-18 21:02 UTCPublished CVE record published
2026-06-16 22:21 UTCUpdated Record last modified

kadu kadu DOWNGRADE

Affected: 0.4.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.4.3

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.4.3 (Debian / Ubuntu)

apt-cache madison kadu sudo apt install kadu=<VERSION_BEFORE_0.4.3> sudo apt-mark hold kadu

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

dnf --showduplicates list kadu sudo dnf downgrade kadu-<VERSION_BEFORE_0.4.3> sudo dnf versionlock add kadu

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-2006-0768?

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

Is CVE-2006-0768 being exploited?

CVE-2006-0768 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-2006-0768 affect?

CVE-2006-0768 affects kadu. Severity is medium (CVSS 5.0). Kadu 0.4.3 allows remote attackers to cause a denial of service (application crash) via a large number of image send requests.

How urgent is CVE-2006-0768?

Priority 42/100. Public exploit reference

Related CVEs

CVE-2012-1410 MEDIUM 4.3 DOWNGRADE Multiple cross-site scripting (XSS) vulnerabilities in the History Window implementation in Kadu 0.9.0 through
CVE-2005-3960 HIGH 7.8 DOWNGRADE Kadu 0.4.2 and 0.5.0pre allows remote attackers to cause a denial of service (crash or generated traffic) via
CVE-2005-1852 HIGH 7.5 DOWNGRADE MITIGATE Multiple integer overflows in libgadu, as used in Kopete in KDE 3.2.3 to 3.4.1, ekg before 1.6rc3, GNU Gadu, C

References

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