Is CVE-2016-7553 in the CISA KEV catalog?

No. CVE-2016-7553 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-7553?

CVE-2016-7553 has a CVSS v3 base score of 3.3 (LOW).

What is the EPSS score for CVE-2016-7553?

CVE-2016-7553 has an EPSS score of 0.39% (31th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2016-7553?

Upgrade irssi on debian 11 to 0.8.20-2 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2016-7553

LOW

3.3

CVSS v3

NVD

Description

The buf.pl script before 2.20 in Irssi before 0.8.20 uses weak permissions for the scrollbuffer dump file created between upgrades, which might allow local users to obtain sensitive information from private chat conversations by reading the file.

CWE-275

How to fix

Remediation Available

irssiDebian

Fixed in:0.8.20-2CVE-2016-7553

irssiUbuntu

Fixed in:0.8.15-5ubuntu3.1USN-3184-1

Fixed in:0.8.19-1ubuntu1.3USN-3184-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Exploit Intelligence

0.39%probability of exploitation in 30 days

31stpercentile

Low risk: more likely to be exploited than 31% of all known CVEs.

References

Patch4

Third-Party Advisory1

securityfocus.com

Other references1

lists.fedoraproject.org

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.