CVE-2019-16277
CVE-2019-16277 is a high-severity vulnerability in Picoc Project Picoc with a CVSS 3.x base score of 7.8. 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: High (CVSS 3.x base score 7.8)
- CVSS v2: 6.8
- EPSS exploit prediction: 1% (55th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Picoc Project Picoc
- Published:
- Last modified:
Description
PicoC 2.1 has a heap-based buffer overflow in StringStrcpy in cstdlib/string.c when called from ExpressionParseFunctionCall in expression.c.
Frequently asked questions
- What is CVE-2019-16277?
- PicoC 2.1 has a heap-based buffer overflow in StringStrcpy in cstdlib/string.c when called from ExpressionParseFunctionCall in expression.c.
- How severe is CVE-2019-16277?
- CVE-2019-16277 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2019-16277 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-16277?
- CVE-2019-16277 affects Picoc Project Picoc. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-16277?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2019-16277 published?
- CVE-2019-16277 was published on 2019-09-13 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:picoc_project:picoc:2.1:*:*:*:*:*:*:*
More vulnerabilities in Picoc Project Picoc
- CVE-2022-44321 — Medium (CVSS 5.5): PicoC Version 3.2.2 was discovered to contain a heap buffer overflow in the LexSkipComment function in lex.c when…
- 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…