CVE-2018-2776: canonical ubuntu_linux
Vulnerability summary
CVE-2018-2776 is a medium (CVSS 4.9) vulnerability in canonical ubuntu_linux. EPSS estimates a 2.75% chance of exploitation in the next 30 days, higher than 85.9% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 3 · Related 2Timeline
- 19-04-2018PublishedVulnerability first disclosed.
- 03-10-2024Last modifiedVulnerability information updated.
Description
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Group Replication GCS). Supported versions that are affected are 5.7.21 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via XCom to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.0 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).
CVSS metrics
3 scores · 2 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated4.9MediumCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
2.75%
Chance of exploitation in the next 30 days
Percentile
86%
Versus all other CVEs
30-day change
-0.05 pp
From 2.80% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04 | 17.10
Oracle1 product
- mysql≥ 5.7.0, ≤ 5.7.21
Oracle corporation1 product
- mysql server5.7.21 and prior
Ubuntu1 product
- mysql-5.7< 5.7.22-0ubuntu0.16.04.1 | < 5.7.22-0ubuntu18.04.1
4 vendors · 4 products
References
12 links- www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.htmlX Refsource CONFIRMPatchVendor AdvisoryREPORT