7.5

CVE-2021-46669: debian debian_linux Use After Free

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2021-46669DEBIAN-CVE-2021-46669
Published 01-02-2022Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2021-46669 is a high (CVSS 7.5) Use After Free vulnerability in debian debian_linux. EPSS estimates a 2.42% chance of exploitation in the next 30 days, higher than 83.9% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
40/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
2.42%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 15 · Related 8
DLA-3114-1RHSA-2022:5759RHSA-2022:5826RHSA-2022:5948RHSA-2022:6306RHSA-2022:6443

Timeline

  1. 01-02-2022
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

MariaDB through 10.5.9 allows attackers to trigger a convert_const_to_int use-after-free when the BIGINT data type is used.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

2.42%

Chance of exploitation in the next 30 days

Percentile

84%

Versus all other CVEs

30-day change

+0.02 pp

From 2.40% on 20-09-2026

20-09-202620-10-2026
EPSS score
2.42%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (jira.mariadb.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian2 products
Ubuntu2 products
  • mariadb-10.3< 1:10.3.37-0ubuntu0.20.04.1
  • mariadb-10.6< 1:10.6.11-0ubuntu0.22.04.1
Fedoraproject1 product
Mariadb1 product
  • mariadb< 10.2.44 | ≥ 10.3.0, < 10.3.35 | ≥ 10.4.0, < 10.4.25 | ≥ 10.5.0, < 10.5.16 | ≥ 10.6.0, < 10.6.8 | ≥ 10.7.0, < 10.7.4

4 vendors · 6 products

References

11 links
Show all 11 references