Konqueror vulnerabilitiesRanked by how likely they are to be used.

Product28 versions
The short answer

Konqueror is made by Kde. We track 34 published vulnerabilities listed under that exact name, across 28 versions. None of them is on the list of flaws known to be exploited today. Kde lists newer releases under their own names, such as Konqueror Embedded, so check those pages too.

See the riskiest flaws

We keep watching the known-exploited list.

Other names

Is Konqueror listed under other names? Yes.

Kde also lists Konqueror under more specific names, such as Konqueror Embedded. 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 Konqueror vulnerabilities are being exploited?

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

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

Exploit likelihood

Which Konqueror 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. 17%

    Mozilla Firefox 0.9.2 allows web sites to set cookies for country-specific top-level domains, such as .ltd.uk, .plc.uk, and .sch.uk, which could allow remote attackers to perform a session fixation attack and hijack...

    CVSS7.5Published23 Dec 2004
  2. 10%

    Internet Explorer 6.0 allows web sites to set cookies for country-specific top-level domains, such as .ltd.uk, .plc.uk, and .sch.uk, which could allow remote attackers to perform a session fixation attack and hijack...

    CVSS7.5Published16 Sep 2004
  3. 8.4%

    ecma/kjs_html.cpp in KDE JavaScript (KJS), as used in Konqueror in KDE 3.5.5, allows remote attackers to cause a denial of service (crash) by accessing the content of an iframe with an ftp:// URI in the src...

    CVSS4.3Published7 Mar 2007
  4. 6.9%

    KDE Konqueror 3.5.1 and earlier allows remote attackers to cause a denial of service (application crash) by calling the replaceChild method on a DOM object, which triggers a null dereference, as demonstrated by...

    CVSS2.6Published18 Jul 2006
  5. 5.8%

    KDE Konqueror 2.1.1 and 2.2.2 allows remote attackers to spoof a legitimate URL in the status bar via A HREF tags with modified "alt" values that point to the legitimate site, combined with an image map whose href...

    CVSS5.0Published6 Aug 2004
  6. 4.4%

    Konqueror 3.3.1 allows remote attackers to execute arbitrary FTP commands via an ftp:// URL that contains a URL-encoded newline ("%0a") before the FTP command, which causes the commands to be inserted into the...

    CVSS7.5Published10 Jan 2005
  7. 4.4%

    Konqueror in KDE 3.1.3 and earlier (kdelibs) allows remote attackers to bypass intended cookie access restrictions on a web application via "%2e%2e" (encoded dot dot) directory traversal sequences in a URL, which...

    CVSS7.5Published15 Apr 2004
  8. 4.2%

    Konqueror in KDE 3.0.3 allows remote attackers to cause a denial of service (core dump) via a web page that begins with a "xFFxFE" byte sequence and a large number of CRLF sequences, as demonstrated using freeze.htm.

    CVSS4.3Published31 Dec 2003
  9. 3.8%

    The HTML parser in KDE Konqueror 3.5.9 allows remote attackers to cause a denial of service (application crash) via (1) a long COLOR attribute in an HR element; or a long (a) BGCOLOR or (b) BORDERCOLOR attribute in a...

    CVSS5.0Published24 Dec 2008
Precursor Intelligence

Running Konqueror? 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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  2. We match it to every flawOver 400,000 published flaws, checked against your list.
  3. Ranked by real-world riskA 0 to 100 score, led by evidence criminals are using it.
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FAQ

Common questions, answered plainly.

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We track 34 published vulnerabilities listed under the name Konqueror, across 28 versions.

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

Kde also lists Konqueror under more specific names, such as Konqueror Embedded. 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 Konqueror. 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.