How severe is CVE-2016-7553?

CVE-2016-7553 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2016-7553 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-7553?

CVE-2016-7553 affects Irssi Buf.pl. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-7553?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2016-7553 published?

CVE-2016-7553 was published on 2017-02-27 and last updated on 2026-06-17.

CVE-2016-7553

CVE-2016-7553 is a low-severity vulnerability in Irssi Buf.pl with a CVSS 3.x base score of 3.3. 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-275.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
CVSS v2: 2.1
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-275
Affected product: Irssi Buf.pl
Published: 2017-02-27
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2016-7553?: 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.
How severe is CVE-2016-7553?: CVE-2016-7553 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2016-7553 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-7553?: CVE-2016-7553 affects Irssi Buf.pl. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-7553?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-7553 published?: CVE-2016-7553 was published on 2017-02-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:irssi:buf.pl:*:*:*:*:*:*:*:*

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