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2 vulnerabilities found for Ubuntu 18.04 LTS by Canonical
CVE-2026-3888 (GCVE-0-2026-3888)
Vulnerability from nvd – Published: 2026-03-17 14:02 – Updated: 2026-03-18 08:59
VLAI
EPSS
VEX
Title
Local Privilege Escalation in snapd
Summary
Local privilege escalation in snapd on Linux allows local attackers to get root privilege by re-creating snap's private /tmp directory when systemd-tmpfiles is configured to automatically clean up this directory. This issue affects Ubuntu 16.04 LTS, 18.04 LTS, 20.04 LTS, 22.04 LTS, and 24.04 LTS.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-268 - Privilege chaining
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://ubuntu.com/security/CVE-2026-3888 | vdb-entryissue-tracking |
| https://ubuntu.com/security/notices/USN-8102-1 | vendor-advisory |
| https://discourse.ubuntu.com/t/snapd-local-privil… | technical-descriptionvendor-advisory |
| https://blog.qualys.com/vulnerabilities-threat-re… | technical-descriptionmedia-coverage |
| https://cdn2.qualys.com/advisory/2026/03/17/snap-… | technical-descriptionmedia-coverage |
| http://www.openwall.com/lists/oss-security/2026/03/18/1 |
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
|
Affected:
0 , < 2.75.1
(semver)
|
|||
| Canonical | Ubuntu 16.04 LTS |
Unaffected:
2.61.4ubuntu0.16.04.1+esm2 , < *
(dpkg)
|
|
| Canonical | Ubuntu 18.04 LTS |
Unaffected:
2.61.4ubuntu0.18.04.1+esm2 , < *
(dpkg)
|
|
| Canonical | Ubuntu 20.04 LTS |
Unaffected:
2.67.1+20.04ubuntu1~esm1 , < *
(dpkg)
|
|
| Canonical | Ubuntu 22.04 LTS |
Unaffected:
2.73+ubuntu22.04.1 , < *
(dpkg)
|
|
| Canonical | Ubuntu 24.04 LTS |
Unaffected:
2.73+ubuntu24.04.2 , < *
(dpkg)
|
Date Public
2026-03-17 14:00
Credits
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CVE-2026-3888 (GCVE-0-2026-3888)
Vulnerability from cvelistv5 – Published: 2026-03-17 14:02 – Updated: 2026-03-18 08:59
VLAI
EPSS
VEX
Title
Local Privilege Escalation in snapd
Summary
Local privilege escalation in snapd on Linux allows local attackers to get root privilege by re-creating snap's private /tmp directory when systemd-tmpfiles is configured to automatically clean up this directory. This issue affects Ubuntu 16.04 LTS, 18.04 LTS, 20.04 LTS, 22.04 LTS, and 24.04 LTS.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-268 - Privilege chaining
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://ubuntu.com/security/CVE-2026-3888 | vdb-entryissue-tracking |
| https://ubuntu.com/security/notices/USN-8102-1 | vendor-advisory |
| https://discourse.ubuntu.com/t/snapd-local-privil… | technical-descriptionvendor-advisory |
| https://blog.qualys.com/vulnerabilities-threat-re… | technical-descriptionmedia-coverage |
| https://cdn2.qualys.com/advisory/2026/03/17/snap-… | technical-descriptionmedia-coverage |
| http://www.openwall.com/lists/oss-security/2026/03/18/1 |
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
|
Affected:
0 , < 2.75.1
(semver)
|
|||
| Canonical | Ubuntu 16.04 LTS |
Unaffected:
2.61.4ubuntu0.16.04.1+esm2 , < *
(dpkg)
|
|
| Canonical | Ubuntu 18.04 LTS |
Unaffected:
2.61.4ubuntu0.18.04.1+esm2 , < *
(dpkg)
|
|
| Canonical | Ubuntu 20.04 LTS |
Unaffected:
2.67.1+20.04ubuntu1~esm1 , < *
(dpkg)
|
|
| Canonical | Ubuntu 22.04 LTS |
Unaffected:
2.73+ubuntu22.04.1 , < *
(dpkg)
|
|
| Canonical | Ubuntu 24.04 LTS |
Unaffected:
2.73+ubuntu24.04.2 , < *
(dpkg)
|
Date Public
2026-03-17 14:00
Credits
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