CVE-2022-44321
PicoC Version 3.2.2 was discovered to contain a heap buffer overflow in the LexSkipComment...
PicoC Version 3.2.2 was discovered to contain a heap buffer overflow in the LexSkipComment function in lex.c when called from LexScanGetToken.
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
PicoC Version 3.2.2 was discovered to contain a heap buffer overflow in the LexSkipComment function in lex.c when called from LexScanGetToken.
- Record
CVE-2022-44321- 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 - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List
PicoC Version 3.2.2 was discovered to contain a heap buffer overflow in the LexSkipComment function in lex.c when called from LexScanGetToken.
- Record
CVE-2022-44321- 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 - Weakness
- CWE-787
- Updated
- 2026-11-02
EUVDEUVD-2022-47266
PicoC Version 3.2.2 was discovered to contain a heap buffer overflow in the LexSkipComment function in lex.c when called from LexScanGetToken.
- Record
EUVD-2022-47266- 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
GitHub AdvisoriesGHSA-ccfq-vqq6-835v
PicoC Version 3.2.2 was discovered to contain a heap buffer overflow in the LexSkipComment...
PicoC Version 3.2.2 was discovered to contain a heap buffer overflow in the LexSkipComment function in lex.c when called from LexScanGetToken.
- Record
GHSA-ccfq-vqq6-835v- 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 - Weakness
- CWE-787
- Updated
- 2026-11-02
OSV
PicoC Version 3.2.2 was discovered to contain a heap buffer overflow in the LexSkipComment function in lex.c when called from LexScanGetToken.
- Record
CVE-2022-44321- 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
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-44321 is a medium vulnerability (CVSS 5.5) in Picoc Project Picoc, published November 8, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.34%, the 28th percentile. No source names a fixed version.