medium 6.5

CVE-2024-20977 json

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer).

published 2024-01-16 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-18691

cvss: 6.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.1%; EPSS 1.1% chance of exploitation in 30 days, percentile 64%
public exploits: 0; none known

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.35 and prior and 8.2.0 and prior. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols 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 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

Patch / fix

fixed in 2 distros 5 links 1

oracle mysql 8.0.36, 8.2.1
oracle mysql_server 8.0.36, 8.2.1

ubuntu red hat almalinux rocky linux azure linux

mysql-8.0 Ubuntu 20.04 LTS 8.0.36-0ubuntu0.20.04.1
mysql-8.0 Ubuntu 22.04 LTS 8.0.36-0ubuntu0.22.04.1
mysql-8.0 Ubuntu 24.04 LTS 8.0.36-1

ubuntu advisories UBUNTU-CVE-2024-20977

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

mecab RHEL 8 0.996-2.module+el8.9.0+21207+6c20cb3d
mysql RHEL 8 8.0.36-1.module+el8.9.0+21207+6c20cb3d
mysql-libs RHEL 8 8.0.36-1.module+el8.9.0+21207+6c20cb3d
mysql-test RHEL 8 8.0.36-1.module+el8.9.0+21207+6c20cb3d
mecab-ipadic RHEL 8 2.7.0.20070801-16.module+el8.9.0+21207+6c20cb3d
mysql-common RHEL 8 8.0.36-1.module+el8.9.0+21207+6c20cb3d
mysql-errmsg RHEL 8 8.0.36-1.module+el8.9.0+21207+6c20cb3d
mysql-server RHEL 8 8.0.36-1.module+el8.9.0+21207+6c20cb3d

red hat advisories RHSA-2024:0894 RHSA-2024:1141 RHSA-2024:2619

mysql AlmaLinux 9 8.0.36-1.el9_3
mysql-libs AlmaLinux 9 8.0.36-1.el9_3
mysql-test AlmaLinux 9 8.0.36-1.el9_3
mysql-common AlmaLinux 9 8.0.36-1.el9_3
mysql-errmsg AlmaLinux 9 8.0.36-1.el9_3
mysql-server AlmaLinux 9 8.0.36-1.el9_3
mecab AlmaLinux 8 0.996-2.module_el8.6.0+3340+d764b636
mysql AlmaLinux 8 8.0.36-1.module_el8.9.0+3735+82bd6c11

almalinux advisories ALSA-2024:1141 ALSA-2024:0894

mecab Rocky Linux 8 0.996-2.module+el8.10.0+1676+9b4b6e24
mecab Rocky Linux 8 0.996-2.module+el8.10.0+1937+28fbbc83
mysql Rocky Linux 8 8.0.36-1.module+el8.10.0+1676+9b4b6e24
mecab-ipadic Rocky Linux 8 2.7.0.20070801-16.module+el8.10.0+1676+9b4b6e24

rocky linux advisories RLSA-2024:0894

mysql CBL-Mariner 2.0, Azure Linux 3.0 8.0.36-1

azure linux advisories AZL-33500 AZL-62969

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

oracle.com/security-alerts/cpujan2024.html advisory

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2024-20977 updated 2026-11-05 cvss 6.5

mysql: Server: Optimizer unspecified vulnerability (CPU Jan 2024)

Red Hat CodeReady Linux Builder (v. 9) mysql-libs 8.0.36-1.el9_3, mysql-test 8.0.36-1.el9_3
fixed: vendor fix RHSA-2024:1141
Red Hat Enterprise Linux AppStream (v. 8) mecab 0.996-2.module+el8.9.0+21207+6c20cb3d, mysql 8.0.36-1.module+el8.9.0+21207+6c20cb3d, mysql-libs 8.0.36-1.module+el8.9.0+21207+6c20cb3d, mysql-test 8.0.36-1.module+el8.9.0+21207+6c20cb3d, mysql-common 8.0.36-1.module+el8.9.0+21207+6c20cb3d, mysql-errmsg 8.0.36-1.module+el8.9.0+21207+6c20cb3d, +3 more
fixed: vendor fix RHSA-2024:0894
Red Hat Enterprise Linux AppStream (v. 9) mysql 8.0.36-1.el9_3, mysql-common 8.0.36-1.el9_3, mysql-errmsg 8.0.36-1.el9_3, mysql-server 8.0.36-1.el9_3
fixed: vendor fix RHSA-2024:1141
Red Hat Software Collections for RHEL Workstation(v. 7) rh-mysql80-mysql 8.0.36-1.el7, rh-mysql80-mysql-test 8.0.36-1.el7, rh-mysql80-mysql-common 8.0.36-1.el7, rh-mysql80-mysql-config 8.0.36-1.el7, rh-mysql80-mysql-errmsg 8.0.36-1.el7, rh-mysql80-mysql-server 8.0.36-1.el7, +4 more Red Hat Software Collections for RHEL(v. 7) rh-mysql80-mysql 8.0.36-1.el7, rh-mysql80-mysql-test 8.0.36-1.el7, rh-mysql80-mysql-common 8.0.36-1.el7, rh-mysql80-mysql-config 8.0.36-1.el7, rh-mysql80-mysql-errmsg 8.0.36-1.el7, rh-mysql80-mysql-server 8.0.36-1.el7, +4 more
fixed: vendor fix RHSA-2024:2619
Red Hat Enterprise Linux 6 mysql, mysql-libs, mysql-test, mysql-bench, mysql-server, mysql-embedded Red Hat Enterprise Linux 7 mariadb, mariadb-libs, mariadb-test, mariadb-bench, mariadb-server, mariadb-embedded Red Hat Enterprise Linux 8 Judy, galera, mariadb, mariadb-pam, mariadb-test, mariadb-backup, +8 more Red Hat Enterprise Linux 9 mariadb, mariadb-pam, mariadb-test, mariadb-backup, mariadb-common, mariadb-errmsg, +6 more Red Hat Software Collections rh-mariadb105-mariadb, rh-mariadb105-mariadb-pam, rh-mariadb105-mariadb-libs, rh-mariadb105-mariadb-test, rh-mariadb105-mariadb-backup, rh-mariadb105-mariadb-common, +14 more
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 17 mo ago (2025-05-15)

Exploit prediction

1.06% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

Oracle Corporation MySQL Server

Classification

Weakness

CWE-400 Uncontrolled Resource Consumption

Technology feeds

MySQL rss critical rss

References

oracle.com /security-alerts/cpujan2024.html
vendor-advisory, patch
security.netapp.com /advisory/ntap-20240201-0003/
third-party-advisory

Sources

CVE List CVE-2024-20977
NVD CVE-2024-20977

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Improve version ranges to indicate fix.

Summary