// For flags

CVE-2019-15717

Ubuntu Security Notice USN-4119-1

Severity Score

9.8
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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

Irssi versiones 1.2.x anteriores a 1.2.2, presenta un uso de la memoria previamente liberada si el servidor IRC envía un doble CAP.

It was discovered that Irssi incorrectly handled certain CAP requests. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2019-08-28 CVE Reserved
  • 2019-08-29 CVE Published
  • 2024-08-05 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-416: Use After Free
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Irssi
Search vendor "Irssi"
 Irssi
Search vendor "Irssi" for product "Irssi"
 >= 1.2.0 < 1.2.2
Search vendor "Irssi" for product "Irssi" and version " >= 1.2.0 < 1.2.2"
-
Affected
Canonical
Search vendor "Canonical"
 Ubuntu Linux
Search vendor "Canonical" for product "Ubuntu Linux"
 19.04
Search vendor "Canonical" for product "Ubuntu Linux" and version "19.04"
-
Affected