Ubuntu Linux vulnerabilitiesRanked by how likely they are to be used.

Product14 versions
The short answer

Ubuntu Linux is made by Ubuntu. We track 75 published vulnerabilities in it, across 14 versions. None of them is on the list of flaws known to be exploited today. If you run Ubuntu Linux, keep it on a version the vendor still supports.

See the riskiest flaws

We keep watching the known-exploited list.

Known exploited

Which Ubuntu Linux vulnerabilities are being exploited?

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

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

Exploit likelihood

Which Ubuntu Linux 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. 80%

    Stack-based buffer overflow in the cons_options function in options.c in dhcpd in OpenBSD 4.0 through 4.2, and some other dhcpd implementations based on ISC dhcp-2, allows remote attackers to execute arbitrary code...

    CVSS7.2Published11 Oct 2007
  2. 22%

    Multiple buffer overflows in libXML 2.6.12 and 2.6.13 (libxml2), and possibly other versions, may allow remote attackers to execute arbitrary code via (1) a long FTP URL that is not properly handled by the...

    CVSS10.0Published1 Mar 2005
  3. 21%

    Multiple vulnerabilities in the IGMP functionality for Linux kernel 2.4.22 to 2.4.28, and 2.6.x to 2.6.9, allow local and remote attackers to cause a denial of service or execute arbitrary code via (1) the...

    CVSS10.0Published10 Jan 2005
  4. 16%

    The asn_parse_header function (asn1.c) in the SNMP module for Squid Web Proxy Cache before 2.4.STABLE7 allows remote attackers to cause a denial of service (server restart) via certain SNMP packets with negative...

    CVSS5.0Published27 Jan 2005
  5. 14%

    Buffer overflow in the QFILEPATHINFO request handler in Samba 3.0.x through 3.0.7 may allow remote attackers to execute arbitrary code via a TRANSACT2_QFILEPATHINFO request with a small "maximum data bytes" value.

    CVSS10.0Published27 Jan 2005
  6. 10%

    Buffer overflow in the exif_read_data function in PHP before 4.3.10 and PHP 5.x up to 5.0.2 allows remote attackers to execute arbitrary code via a long section name in an image file.

    CVSS10.0Published10 Jan 2005
  7. 9.5%

    Multiple integer overflows in xpdf 2.0 and 3.0, and other packages that use xpdf code such as CUPS, gpdf, and kdegraphics, allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary...

    CVSS10.0Published27 Jan 2005
  8. 8.0%

    The deserialization code in PHP before 4.3.10 and PHP 5.x up to 5.0.2 allows remote attackers to cause a denial of service and execute arbitrary code via untrusted data to the unserialize function that may trigger...

    CVSS10.0Published10 Jan 2005
  9. 6.9%

    Buffer overflow in the MSN protocol handler for gaim 0.79 to 1.0.1 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via an "unexpected sequence of MSNSLP...

    CVSS10.0Published27 Jan 2005
  10. 6.2%

    Multiple integer overflows in xpdf 3.0, and other packages that use xpdf code such as CUPS, allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code, a different set of...

    CVSS10.0Published27 Jan 2005
Precursor Intelligence

Running Ubuntu Linux? 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.

  1. Tell us what you runPick your software from a list, or let us work it out from your website.
  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.
  4. Told as soon as we knowAn alert by email, in the app or by webhook to your own tools.

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FAQ

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We track 75 published vulnerabilities listed under the name Ubuntu Linux, across 14 versions.

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

Create a Precursor Intelligence account and track Ubuntu Linux. 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.