No exploitation reportedFix available

CVE-2019-13045

Q: Is CVE-2019-13045 actively exploited?

Active exploitation of CVE-2019-13045 has not been confirmed. Its EPSS score was 3.4% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2019-13045?

CVE-2019-13045 has a CVSS v3 base score of 8.1 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2019-06-29
Fixed in1.2.1 · 1.1.3 · 1.0.8
WeaknessCWE-416

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC

2019-06-2914:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2019-13045?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-13045?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Irssi

Branch	Affected	Fixed in	Source
1.2	≥ 1.2.0, < 1.2.1	1.2.1	NVD
1.1	≥ 1.1.0, < 1.1.3	1.1.3	NVD
1.0	≥ 0.8.18, < 1.0.8	1.0.8	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

irssiAlmaLinux:8all versions · fixed in 1.1.1-3.el8and 1 other package

Full record on NVD

Fix

Update Irssi to 1.2.1 · 1.1.3 · 1.0.8

Advisories and patches

github.comPatch
irssi.orgVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.08.1read 2026-10-23
NVDCVSS 2.06.8read 2026-10-23
NVDweakness (CWE)CWE-416read 2026-10-23
FIRST EPSSEPSS score3.4 %2026-10-23
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2019-06-29
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is 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.

Is CVE-2019-13045 actively exploited?

Active exploitation of CVE-2019-13045 has not been confirmed. Its EPSS score was 3.4% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-13045?

CVE-2019-13045 has a CVSS v3 base score of 8.1 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

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