Ubuntu Linux
Vendor:
First CVE: Jul 16, 1996 · Active for 30 years
4,277
Total CVEs
More Total CVEs than 99% of tracked products
178.2
Avg CVEs / Year
Higher CVE frequency than 95% of tracked products
6.7
Avg CVSS
Higher Avg CVSS than 28% of tracked products
1.1%
KEV Rate
Bottom 1%
Trends Over Time
The number and severity of CVEs published that impact Ubuntu Linux over time
Volume of CVEsAvg CVSS Base Score
First CVE
Jul 16, 1996
30 years ago
Most Recent CVE
Jul 8, 2026
16 days ago
CVE Severity & Scoring
Ubuntu Linux4,277 CVEs
47%
39%
8%
All CVEs352,231 CVEs
45%
40%
11%
LowMediumHighCritical
Attack Vector
Local979 (22.9%)
Network1,969 (46.0%)
Unknown1,235 (28.9%)
Physical51 (1.2%)
Adjacent Network43 (1.0%)
Attack Complexity
Low2,629 (61.5%)
High413 (9.7%)
Unknown1,235 (28.9%)
User Interaction
None2,125 (49.7%)
Unknown1,235 (28.9%)
Required917 (21.4%)
Privileges Required
Low789 (18.4%)
High224 (5.2%)
None2,029 (47.4%)
Unknown1,235 (28.9%)
Top CVEs
Signals from CVEs in this product scope (4277 CVEs).
4,277 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2026-31431HIGH In the Linux kernel, the following vulnerability has been resolved:
crypto: algif_aead - Revert to operating out-of-place
This mostly reverts commit 72548b093ee3 except for the c | Apr 22, 2026 | 7.8 | 99 | YES | YES |
CVE-2020-1472CRITICAL An elevation of privilege vulnerability exists when an attacker establishes a vulnerable Netlogon secure channel connection to a domain controller, using the Netlogon Remote Protoc | Aug 17, 2020 | 10.0 | 99 | YES | YES |
CVE-2020-7247CRITICAL smtp_mailaddr in smtp_session.c in OpenSMTPD 6.6, as used in OpenBSD 6.6 and other products, allows remote attackers to execute arbitrary commands as root via a crafted SMTP sessio | Jan 29, 2020 | 9.8 | 99 | YES | YES |
CVE-2017-12617HIGH When running Apache Tomcat versions 9.0.0.M1 to 9.0.0, 8.5.0 to 8.5.22, 8.0.0.RC1 to 8.0.46 and 7.0.0 to 7.0.81 with HTTP PUTs enabled (e.g. via setting the readonly initialisation | Oct 4, 2017 | 8.1 | 99 | YES | YES |
CVE-2014-6271CRITICAL GNU Bash through 4.3 processes trailing strings after function definitions in the values of environment variables, which allows remote attackers to execute arbitrary code via a cra | Sep 24, 2014 | 9.8 | 99 | YES | YES |
CVE-2014-0160HIGH The (1) TLS and (2) DTLS implementations in OpenSSL 1.0.1 before 1.0.1g do not properly handle Heartbeat Extension packets, which allows remote attackers to obtain sensitive inform | Apr 7, 2014 | 7.5 | 99 | YES | YES |
CVE-2023-4911HIGH A buffer overflow was discovered in the GNU C Library's dynamic loader ld.so while processing the GLIBC_TUNABLES environment variable. This issue could allow a local attacker to us | Oct 3, 2023 | 7.8 | 98 | YES | YES |
CVE-2022-0543CRITICAL It was discovered, that redis, a persistent key-value database, due to a packaging issue, is prone to a (Debian-specific) Lua sandbox escape, which could result in remote code exec | Feb 18, 2022 | 10.0 | 98 | YES | YES |
CVE-2021-4034HIGH A local privilege escalation vulnerability was found on polkit's pkexec utility. The pkexec application is a setuid tool designed to allow unprivileged users to run commands as pri | Jan 28, 2022 | 7.8 | 98 | YES | YES |
CVE-2020-11651CRITICAL An issue was discovered in SaltStack Salt before 2019.2.4 and 3000 before 3000.2. The salt-master process ClearFuncs class does not properly validate method calls. This allows a re | Apr 30, 2020 | 9.8 | 98 | YES | YES |
Exploit Exposure
Signals from CVEs in this product scope (4277 CVEs).
CISA KEV
47 CVEs
1.1% of CVEs· Bottom 1%
Metasploit
83 CVEs
1.9% of CVEs· Bottom 1%
Nuclei
23 CVEs
0.5% of CVEs· Bottom 1%
ExploitDB
248 CVEs
5.8% of CVEs· 89th percentile
Social Chatter
Signals from CVEs in this product scope (4277 CVEs).
Media Mentions
Signals from CVEs in this product scope (4277 CVEs).
Top CNAs Publishing CVEs For Ubuntu Linux
Top CWEs
Versions
| Version | CVE Count | Avg CVSS | Avg EPSS | KEV | Exploits |
|---|---|---|---|---|---|
| 9.10 | 128 | 6.6 | 8.2% | 4 | 24 |
| 9.0.4 | 2 | 1.9 | 0.3% | 0 | 0 |
| 9.04 | 108 | 6.4 | 9.3% | 2 | 20 |
| 8.1.0 | 1 | 1.9 | 0.4% | 0 | 0 |
| 8.10 | 100 | 6.5 | 9.4% | 1 | 18 |
| 8.0.4_lts | 1 | 1.9 | 0.4% | 0 | 0 |
| 8.04 | 238 | 6.5 | 9.4% | 4 | 37 |
| 7.10 | 90 | 6.8 | 10.8% | 0 | 12 |
| 7.04 | 79 | 7.0 | 11.8% | 0 | 10 |
| 7.0 | 1 | 3.3 | 0.1% | 0 | 0 |
| 6.8 | 3 | 4.0 | 0.1% | 0 | 0 |
| 6.17 | 1 | 3.3 | 0.1% | 0 | 0 |
| 6.10 | 72 | 6.7 | 12.2% | 0 | 8 |
| 6.06_lts | 6 | 6.4 | 2.3% | 0 | 0 |
| 6.06 | 246 | 6.5 | 10.6% | 3 | 45 |
| 5.10 | 46 | 6.8 | 10.7% | 0 | 8 |
| 5.04 | 32 | 6.0 | 8.1% | 0 | 4 |
| 4.10 | 22 | 6.1 | 5.1% | 0 | 1 |
| 4.1 | 46 | 6.6 | 4.4% | 0 | 6 |
| 26.04 | 9 | 5.3 | 0.1% | 0 | 0 |