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    CVE-2017-15227

    Irssi before 1.0.5, while waiting for the channel synchronisation, may incorrectly fail to remove destroyed channels from the query list, resulting in use-after-free conditions when updating the state later on.

    Published:Oct 22, 2017
    Last Modified:Apr 20, 2025
    EPS:Oct 22, 2017
    EPSS Score:0.00572
    CVSS Score:7.5

    Affected Products

    Vendor
    Irssi
    Product
    Irssi

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2019-15717 (CVSS 9.8) — Irssi 1.2.x before 1.2.2 has a use-after-free if the IRC server sends a double CAP.…
    CVE-2019-13045 (CVSS 8.1) — 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 whe…
    CVE-2019-5882 (CVSS 9.8) — Irssi 1.1.x before 1.1.2 has a use after free when hidden lines are expired from the scroll buffer.…
    CVE-2018-7054 (CVSS 9.8) — An issue was discovered in Irssi before 1.0.7 and 1.1.x before 1.1.1. There is a use-after-free when a server …
    CVE-2018-7053 (CVSS 9.8) — An issue was discovered in Irssi before 1.0.7 and 1.1.x before 1.1.1. There is a use-after-free when SASL mess…
    CVE-2018-7050 (CVSS 7.5) — An issue was discovered in Irssi before 1.0.7 and 1.1.x before 1.1.1. A NULL pointer dereference occurs for an…
    CVE-2018-7051 (CVSS 7.5) — An issue was discovered in Irssi before 1.0.7 and 1.1.x before 1.1.1. Certain nick names could result in out-o…
    CVE-2018-7052 (CVSS 7.5) — An issue was discovered in Irssi before 1.0.7 and 1.1.x before 1.1.1. When the number of windows exceeds the a…
    CVE-2018-5208 (CVSS 9.8) — In Irssi before 1.0.6, a calculation error in the completion code could cause a heap buffer overflow when comp…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High