CVE-2022-44321
CVE-2022-44321 is a medium-severity vulnerability in Picoc Project Picoc with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- EPSS exploit prediction: 0% (23rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Picoc Project Picoc
- Published:
- Last modified:
Description
PicoC Version 3.2.2 was discovered to contain a heap buffer overflow in the LexSkipComment function in lex.c when called from LexScanGetToken.
Frequently asked questions
- What is CVE-2022-44321?
- PicoC Version 3.2.2 was discovered to contain a heap buffer overflow in the LexSkipComment function in lex.c when called from LexScanGetToken.
- How severe is CVE-2022-44321?
- CVE-2022-44321 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2022-44321 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-44321?
- CVE-2022-44321 affects Picoc Project Picoc. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2022-44321?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2022-44321 published?
- CVE-2022-44321 was published on 2022-11-08 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:picoc_project:picoc:3.2.2:*:*:*:*:*:*:*
More vulnerabilities in Picoc Project Picoc
- CVE-2019-16277 — High (CVSS 7.8): PicoC 2.1 has a heap-based buffer overflow in StringStrcpy in cstdlib/string.c when called from…
- CVE-2022-44320 — Medium (CVSS 5.5): PicoC Version 3.2.2 was discovered to contain a heap buffer overflow in the ExpressionCoerceFP function in expression.c…
- CVE-2022-44319 — Medium (CVSS 5.5): PicoC Version 3.2.2 was discovered to contain a heap buffer overflow in the StdioBasePrintf function in…
- CVE-2022-44318 — Medium (CVSS 5.5): PicoC Version 3.2.2 was discovered to contain a heap buffer overflow in the StringStrcat function in cstdlib/string.c…
- CVE-2022-44317 — Medium (CVSS 5.5): PicoC Version 3.2.2 was discovered to contain a heap buffer overflow in the StdioOutPutc function in cstdlib/stdio.c…
- CVE-2022-44316 — Medium (CVSS 5.5): PicoC Version 3.2.2 was discovered to contain a heap buffer overflow in the LexGetStringConstant function in lex.c when…
All CVEs affecting Picoc Project Picoc →
Other CWE-787 (Out-of-bounds Write) vulnerabilities
- CVE-2026-42369 — Critical (CVSS 10.0): GV-VMS V20 is a Video Monitoring Software used to gather the feeds of many surveillance cameras and manage other…
- CVE-2026-4746 — Critical (CVSS 10.0): Out-of-bounds Write vulnerability in timeplus-io proton (base/poco/Foundation/src modules). This vulnerability is…
- CVE-2025-43300 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS…
- CVE-2025-24201 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in…
- CVE-2024-42479 — Critical (CVSS 10.0): llama.cpp provides LLM inference in C/C++. The unsafe `data` pointer member in the `rpc_tensor` structure can cause…
- CVE-2024-39791 — Critical (CVSS 10.0): Stack-based buffer overflow vulnerabilities affecting Vonets industrial wifi bridge relays and wifi bridge…