CVE-2021-46168
Spin v6.5.1 was discovered to contain an out-of-bounds write in lex() at spinlex.c.
Spin v6.5.1 was discovered to contain an out-of-bounds write in lex() at spinlex.c.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Spin v6.5.1 was discovered to contain an out-of-bounds write in lex() at spinlex.c.
- Record
CVE-2021-46168- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List No score
Spin v6.5.1 was discovered to contain an out-of-bounds write in lex() at spinlex.c.
- Record
CVE-2021-46168- Updated
- 2026-11-02
EUVDEUVD-2021-32868 No score
Spin v6.5.1 was discovered to contain an out-of-bounds write in lex() at spinlex.c.
- Record
EUVD-2021-32868- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-54px-hxcr-mv7h No score
Spin v6.5.1 was discovered to contain an out-of-bounds write in lex() at spinlex.c.
Spin v6.5.1 was discovered to contain an out-of-bounds write in lex() at spinlex.c.
- Record
GHSA-54px-hxcr-mv7h- Weakness
- CWE-787
- Updated
- 2026-11-02
OSV
Spin v6.5.1 was discovered to contain an out-of-bounds write in lex() at spinlex.c.
- Record
CVE-2021-46168- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2021-46168
Spin v6.5.1 was discovered to contain an out-of-bounds write in lex() at spinlex.c.
- Record
UBUNTU-CVE-2021-46168- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
spinUbuntu:18.04:LTS |
All versions, plus listed versions 6.4.6+dfsg-2 |
None known |
spinUbuntu:20.04:LTS |
All versions, plus listed versions 6.4.9+dfsg-1 |
None known |
spinUbuntu:22.04:LTS |
All versions, plus listed versions 6.5.2+dfsg-1 |
None known |
spinUbuntu:24.04:LTS |
All versions, plus listed versions 6.5.2+dfsg-1 |
None known |
spinUbuntu:25.10 |
All versions, plus listed versions 6.5.2+dfsg-2 |
None known |
spinUbuntu:26.10 |
All versions, plus listed versions 6.5.2+dfsg-2build1 |
None known |
spinUbuntu:26.04:LTS |
All versions, plus listed versions 6.5.2+dfsg-26.5.2+dfsg-2build1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-46168 is a medium vulnerability (CVSS 5.5) in Spinroot Spin, published January 14, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.66%, the 51st percentile. No source names a fixed version.