Zonealarm vulnerabilitiesRanked by how likely they are to be used.

Product22 versions
The short answer

Zonealarm is made by Zonelabs. We track 20 published vulnerabilities listed under that exact name, across 22 versions. None of them is on the list of flaws known to be exploited today. Zonelabs lists newer releases under their own names, such as Zonealarm Security Suite, so check those pages too.

See the riskiest flaws

We keep watching the known-exploited list.

Other names

Is Zonealarm listed under other names? Yes.

Zonelabs also lists Zonealarm under more specific names, such as Zonealarm Security Suite and Zonealarm Antivirus. Flaws listed only under those names are counted on their own pages, not here. If you run one of these, open its page for its own exploited flaws.

Known exploited

Which Zonealarm vulnerabilities are being exploited?

This is the list that matters most: flaws criminals are using now.

None of Zonealarm's published vulnerabilities is on the list of flaws known to be exploited today. We keep watching that list.

Exploit likelihood

Which Zonealarm flaws are most likely to be used?

Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.

50% or more10% to 49%Under 10%
  1. 16%

    Zone Labs (1) ZoneAlarm Pro 6.0, (2) ZoneAlarm Internet Security Suite 6.0, (3) ZoneAlarm Anti-Virus 6.0, (4) ZoneAlarm Anti-Spyware 6.0 through 6.1, and (5) ZoneAlarm 6.0 allow remote attackers to bypass the...

    CVSS7.5Published16 Nov 2005
  2. 8.8%

    Stack-based buffer overflow in the SMTP service support in vsmon.exe in Zone Labs ZoneAlarm before 4.5.538.001, ZoneLabs Integrity client 4.0 before 4.0.146.046, and 4.5 before 4.5.085, allows remote attackers to...

    CVSS10.0Published23 Nov 2004
  3. 7.3%

    ZoneAlarm 2.1.10 and earlier does not filter UDP packets with a source port of 67, which allows remote attackers to bypass the firewall rules.

    CVSS7.5Published24 Apr 2000
  4. 3.1%

    ZoneAlarm Pro 3.0 and 3.1, when configured to block all traffic, allows remote attackers to cause a denial of service (CPU and memory consumption) via a large number of SYN packets (SYN flood).

    CVSS5.0Published31 Dec 2002
  5. 2.8%

    ZoneAlarm Pro 3.0 MailSafe allows remote attackers to bypass filtering and possibly execute arbitrary code via email attachments containing a trailing dot after the file extension.

    CVSS7.5Published31 Dec 2002
  6. 1.8%

    ZoneAlarm and ZoneAlarm Pro before 5.5.062, with ad-blocking enabled, allows remote web sites to cause a denial of service (application instability or system hang) via certain JavaScript.

    CVSS5.0Published31 Dec 2004
  7. 1.6%

    ZoneAlarm Pro 4.5.538.001 and possibly other versions allows remote attackers to bypass e-mail protection via attachments whose names contain certain non-English characters.

    CVSS7.5Published14 Apr 2004
  8. 1.5%

    MailSafe in Zone Labs ZoneAlarm 2.6 and earlier and ZoneAlarm Pro 2.6 and 2.4 does not block prohibited file types with long file names, which allows remote attackers to send potentially dangerous attachments.

    CVSS5.0Published18 Jul 2001
Precursor Intelligence

Running Zonealarm? We'll keep checking.

Looking flaws up one at a time doesn't scale. Tell us what you run once, and we tell you which flaws matter to you, in what order, and keep watching for new ones.

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FAQ

Common questions, answered plainly.

Something else? Talk to the team →

We track 20 published vulnerabilities listed under the name Zonealarm, across 22 versions.

None of Zonealarm's vulnerabilities is on the list of flaws known to be exploited today.

Zonelabs also lists Zonealarm under more specific names, such as Zonealarm Security Suite and Zonealarm Antivirus. Flaws listed only under those names are counted on their own pages, not here. Open the release you run to see its own list.

Create a Precursor Intelligence account and track Zonealarm. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook.