What’s Vulnerable › Vulnerabilities

CVE-2017-10966

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-07-07 · updated 2026-06-17
• Weakness: CWE-416

Description

An issue was discovered in Irssi before 1.0.4. While updating the internal nick list, Irssi could incorrectly use the GHashTable interface and free the nick while updating it. This would then result in use-after-free conditions on each access of the hash table.

Affected products

• Irssi: through 1.0.3

References

• https://github.com/irssi/irssi/commit/5e26325317c72a04c1610ad952974e206384d291
• https://irssi.org/security/irssi_sa_2017_07.txt
• https://www.debian.org/security/2017/dsa-4016
• https://github.com/irssi/irssi/commit/5e26325317c72a04c1610ad952974e206384d291
• https://irssi.org/security/irssi_sa_2017_07.txt
• https://www.debian.org/security/2017/dsa-4016

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