CVE-2002-2329: ICQ client 2001b, 2002a and 2002b allows remote attackers to cause a denial of service (CPU consumption or cra

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HIGH 7.8DOWNGRADE

CVE-2002-2329 is a high-severity flaw (CVSS 7.8) affecting icq. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

ICQ client 2001b, 2002a and 2002b allows remote attackers to cause a denial of service (CPU consumption or crash) via a message with a large number of emoticons.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.8 (High)
EPSS exploit chance	2.0% (top 19%)
CISA exploited list	No
Weakness	CWE-20
Published	2002-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: mirabilis

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

Am I affected?

Timeline

2002-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:01 UTCUpdated Record last modified

mirabilis icq DOWNGRADE

Affected: 2001b · 2002a · 2002b

Fixed in: no fixed release known

Safe to downgrade to: a release before 2001b

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2001b (Debian / Ubuntu)

apt-cache madison icq sudo apt install icq=<VERSION_BEFORE_2001b> sudo apt-mark hold icq

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

dnf --showduplicates list icq sudo dnf downgrade icq-<VERSION_BEFORE_2001b> sudo dnf versionlock add icq

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-2002-2329?

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

Is CVE-2002-2329 being exploited?

CVE-2002-2329 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-2002-2329 affect?

CVE-2002-2329 affects icq. Severity is high (CVSS 7.8). ICQ client 2001b, 2002a and 2002b allows remote attackers to cause a denial of service (CPU consumption or crash) via a message with a large number of emoticons.

How urgent is CVE-2002-2329?

Priority 53/100. High severity; Public exploit reference

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References

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