How severe is CVE-2019-13045?

CVE-2019-13045 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-13045 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-13045?

CVE-2019-13045 affects Irssi. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-13045?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-13045 published?

CVE-2019-13045 was published on 2019-06-29 and last updated on 2026-06-17.

CVE-2019-13045

CVE-2019-13045 is a high-severity vulnerability in Irssi with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-416.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 6.8
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-416
Affected product: Irssi
Published: 2019-06-29
Last modified: 2026-06-17

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.

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.
How severe is CVE-2019-13045?: CVE-2019-13045 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-13045 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-13045?: CVE-2019-13045 affects Irssi. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-13045?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-13045 published?: CVE-2019-13045 was published on 2019-06-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:irssi:irssi:*:*:*:*:*:*:*:*

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