CVE-2019-13045

Irssi before 1.0.8, 1.1.x before 1.1.3, and 1.2.x before 1.2.1, when SASL is enabled, has a use after free when sending SASL login to the server.

Published: 2019-06-29 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2019-13045 is rated Moderate Risk (61.6/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.35%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2019-13045

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 4.61% 3.35% -1.27%
2 2026-05-30 4.81% 4.61% -0.20%
3 2026-04-14 — 4.81% —

Full EPSS history (23 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2019-13045

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.1 3.0 HIGH
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:H)
Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.2 5.9 [email protected]
6.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.6 6.4 [email protected]

Weakness enumeration for CVE-2019-13045

OS Trackers for CVE-2019-13045

vendor priority summary link
alpine high CVE-2019-13045: 1 source package rows (irssi); 29 state rows across 11 repos (3.10-main, 3.11-main, 3.12-main, 3.17-main, 3.18-community, 3.19-community, 3.20-community, 3.21-community, 3.22-community, edge-community, edge-main); fixed 11, open 18. https://security.alpinelinux.org/vuln/CVE-2019-13045
debian low CVE-2019-13045 low priority: Debian including 1 source packages (irssi), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2019-13045
redhat low — https://access.redhat.com/security/cve/CVE-2019-13045
ubuntu medium CVE-2019-13045 medium priority: Ubuntu including 1 source packages (irssi), 6 status rows across 6 suites (bionic, cosmic, disco, trusty, upstream, xenial): released 4, DNE 1, needs-triage 1. https://ubuntu.com/security/CVE-2019-13045

Affected software / configurations for CVE-2019-13045

Vendor Product Version Raw CPE
irssi irssi >= 0.8.18, < 1.0.8 cpe:2.3:a:irssi:irssi:*:*:*:*:*:*:*:*
irssi irssi >= 1.1.0, < 1.1.3 cpe:2.3:a:irssi:irssi:*:*:*:*:*:*:*:*
irssi irssi >= 1.2.0, < 1.2.1 cpe:2.3:a:irssi:irssi:*:*:*:*:*:*:*:*

References for CVE-2019-13045

cvelogic Threat Intelligence