CVE-2020-9327: canonical ubuntu_linux NULL Pointer Dereference
CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2020-9327DEBIAN-CVE-2020-9327
Published 21-02-2020Last modified 14-10-2026
Vulnerability summary
CVE-2020-9327 is a high (CVSS 7.5) NULL Pointer Dereference vulnerability in canonical ubuntu_linux. EPSS estimates a 3.73% chance of exploitation in the next 30 days, higher than 89.6% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
3.73%
0%100%
Low · +0.04 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 7 · Related 5Timeline
- 21-02-2020PublishedVulnerability first disclosed.
- 14-10-2026Last modifiedVulnerability information updated.
Description
In SQLite 3.31.1, isAuxiliaryVtabOperator allows attackers to trigger a NULL pointer dereference and segmentation fault because of generated column optimizations.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
3.73%
Chance of exploitation in the next 30 days
Percentile
90%
Versus all other CVEs
30-day change
+0.04 pp
From 3.68% on 19-09-2026
19-09-202619-10-2026
EPSS score3.73%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Oracle7 products
- communications_messaging_server8.1
- communications_network_charging_and_control≥ 12.0.0, ≤ 12.0.3 | 6.0.1 | 12.0.2
- enterprise_manager_ops_center12.4.0.0
- hyperion_infrastructure_technology11.1.2.4
- mysql_workbench≤ 8.0.22
Canonical1 product
- ubuntu_linuxEOL16.04 | 18.04 | 19.10
Debian1 product
- sqlite3< 3.31.1-3
Netapp1 product
Siemens1 product
Sqlite1 product
- sqlite3.31.1
Ubuntu1 product
- sqlite3< 3.22.0-1ubuntu0.3
7 vendors · 13 products
