CVE-2019-15717: canonical ubuntu_linux Use After Free
CVSS: 9.8v3.0CriticalModified
AliasesALPINE-CVE-2019-15717MGASA-2019-0255DEBIAN-CVE-2019-15717
Published 29-08-2019Last modified 05-08-2024
Vulnerability summary
CVE-2019-15717 is a critical (CVSS 9.8) Use After Free vulnerability in canonical ubuntu_linux. EPSS estimates a 2.49% chance of exploitation in the next 30 days, higher than 84.4% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.0 (NVD)EPSS score
2.49%
0%100%
Low · +0.24 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 29-08-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
Irssi 1.2.x before 1.2.2 has a use-after-free if the IRC server sends a double CAP.
CVSS metrics
4 scores · 3 sources · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · AlpineEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
2.49%
Chance of exploitation in the next 30 days
Percentile
84%
Versus all other CVEs
30-day change
+0.24 pp
From 2.25% on 21-09-2026
21-09-202621-10-2026
EPSS score2.49%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Alpine1 product
- irssi≥ 1.2.0, < 1.2.2-r0
Canonical1 product
- ubuntu_linuxEOL19.04
Debian1 product
- irssi< 1.2.2-1
Irssi1 product
- irssi≥ 1.2.0, < 1.2.2
Mageia1 product
- irssi< 1.2.2-1.mga7
5 vendors · 5 products
