CVE-2018-7053: canonical ubuntu_linux Use After Free
CVSS: 9.8v3.0CriticalModified
AliasesALPINE-CVE-2018-7053UBUNTU-CVE-2018-7053DEBIAN-CVE-2018-7053
Published 15-02-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-7053 is a critical (CVSS 9.8) Use After Free vulnerability in canonical ubuntu_linux. EPSS estimates a 2.40% chance of exploitation in the next 30 days, higher than 83.8% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.0 (NVD)EPSS score
2.40%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 6 · Related 4Timeline
- 15-02-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
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 messages are received in an unexpected order.
CVSS metrics
5 scores · 4 sources · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 4 agree
- OSV · AlpineEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
2.40%
Chance of exploitation in the next 30 days
Percentile
84%
Versus all other CVEs
30-day change
0.00 pp
From 2.40% on 19-09-2026
19-09-202619-10-2026
EPSS score2.40%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian2 products
- irssi< 1.0.7-1
- debian_linuxEOL9.0
Alpine1 product
- irssi< 1.1.1-r0 | < 1.0.6-r0
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04 | 17.10
Irssi1 product
- irssi< 1.0.7 | 1.1.0
Ubuntu1 product
- irssi< 0.8.19-1ubuntu1.7
5 vendors · 6 products
References
9 links
- openwall.com/lists/oss-security/2018/02/15/1X Refsource CONFIRMMailing ListThird Party AdvisoryREPORT