9.8

CVE-2017-10966: irssi Use After Free

CVSS: 9.8v3.0CriticalModified
AliasesALPINE-CVE-2017-10966UBUNTU-CVE-2017-10966DEBIAN-CVE-2017-10966
Published 07-07-2017Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2017-10966 is a critical (CVSS 9.8) Use After Free vulnerability in irssi. EPSS estimates a 2.94% chance of exploitation in the next 30 days, higher than 86.9% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.0 (NVD)
EPSS score
2.94%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 6 · Related 4
DLA-1089-1MGASA-2017-0216OPENSUSE-SU-2017:1823-1OPENSUSE-SU-2017:1824-1OPENSUSE-SU-2024:10865-1USN-3465-1

Timeline

  1. 07-07-2017
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

2.94%

Chance of exploitation in the next 30 days

Percentile

87%

Versus all other CVEs

30-day change

0.00 pp

From 2.94% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.94%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Alpine1 product
  • irssi< 1.0.4-r0 | < 0.8.21.r2
Debian1 product
  • irssi< 1.0.4-1
Irssi1 product
Ubuntu1 product
  • irssi< 0.8.15-5ubuntu3.3 | < 0.8.19-1ubuntu1.5

4 vendors · 4 products

References

8 links