CVE-2019-15717: Use After Free

Published Aug 29, 2019
·
Updated

Irssi 1.2.x before 1.2.2 has a use-after-free if the IRC server sends a double CAP.

Affected Software

18 affected componentsFixes available
debian/irssi
1.2.3-11.4.3-21.4.5-1
Irssi irssi>=1.2.0<1.2.2
Canonical Ubuntu Linux=19.04
alpine/irssi>=1.2.0<1.2.2-r0
1.2.2-r0
alpine/irssi>=1.2.0<1.2.2-r0
1.2.2-r0
alpine/irssi>=1.2.0<1.2.2-r0
1.2.2-r0
alpine/irssi>=1.2.0<1.2.2-r0
1.2.2-r0
alpine/irssi>=1.2.0<1.2.2-r0
1.2.2-r0
alpine/irssi>=1.2.0<1.2.2-r0
1.2.2-r0
alpine/irssi>=1.2.0<1.2.2-r0
1.2.2-r0
alpine/irssi>=1.2.0<1.2.2-r0
1.2.2-r0
alpine/irssi>=1.2.0<1.2.2-r0
1.2.2-r0
alpine/irssi>=1.2.0<1.2.2-r0
1.2.2-r0
alpine/irssi>=1.2.0<1.2.2-r0
1.2.2-r0
alpine/irssi>=1.2.0<1.2.2-r0
1.2.2-r0
alpine/irssi>=1.2.0<1.2.2-r0
1.2.2-r0
alpine/irssi>=1.2.0<1.2.2-r0
1.2.2-r0
alpine/irssi>=1.2.0<1.2.2-r0
1.2.2-r0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/irssi to a version that resolves this vulnerability.

    Fixed in 1.2.3-1Fixed in 1.4.3-2Fixed in 1.4.5-1
  2. Upgrade

    Upgrade alpine/irssi to a version that resolves this vulnerability.

    Fixed in 1.2.2-r0
  3. Upgrade

    Upgrade Irssi to a version that resolves this vulnerability.

    Fixed in 1.2.2

Event History

Aug 29, 2019
CVE Published
via MITRE·04:07 PM
Data Sourced
via MITRE·04:07 PM
Description
Data Sourced
via NVD·05:15 PM
DescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·05:15 PM
DescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2019-15717?

CVE-2019-15717 has a moderate severity level due to the potential for exploitation via use-after-free vulnerabilities.

2

How do I fix CVE-2019-15717?

To fix CVE-2019-15717, upgrade to Irssi version 1.2.2 or later.

3

Which versions of Irssi are affected by CVE-2019-15717?

Irssi versions before 1.2.2 are vulnerable to CVE-2019-15717.

4

Is CVE-2019-15717 specific to any operating system?

CVE-2019-15717 affects multiple operating systems including Debian and Ubuntu.

5

What type of vulnerability is CVE-2019-15717?

CVE-2019-15717 is a use-after-free vulnerability that may occur when an IRC server sends a double CAP.

Company

Resources

Contact

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