What’s Vulnerable › Vulnerabilities

CVE-2016-7553

• Severity: low (CVSS 3.3 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-02-27 · updated 2026-06-17
• Weakness: CWE-275

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.

Affected products

• Irssi Buf.Pl: through 2.13

References

• http://www.openwall.com/lists/oss-security/2016/09/24/1
• http://www.openwall.com/lists/oss-security/2016/09/26/4
• http://www.securityfocus.com/bid/93155
• https://github.com/irssi/scripts.irssi.org/commit/f1b1eb154baa684fad5d65bf4dff79c8ded8b65a
• https://irssi.org/security/buf_pl_sa_2016.txt
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7OM3WHWQ7RIAOZSOZZUM4CUYGKSIAGJJ/
• http://www.openwall.com/lists/oss-security/2016/09/24/1
• http://www.openwall.com/lists/oss-security/2016/09/26/4
• http://www.securityfocus.com/bid/93155
• https://github.com/irssi/scripts.irssi.org/commit/f1b1eb154baa684fad5d65bf4dff79c8ded8b65a
• https://irssi.org/security/buf_pl_sa_2016.txt
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7OM3WHWQ7RIAOZSOZZUM4CUYGKSIAGJJ/

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