OSV-2021-1670
Dynamic-stack-buffer-overflow in zend_calc_live_ranges
No scoreFix available
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=42156
Crash type: Dynamic-stack-buffer-overflow READ 4
Crash state:
zend_calc_live_ranges
pass_two
zend_compile_func_decl
What each source reports
OSV No score
Dynamic-stack-buffer-overflow in zend_calc_live_ranges
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=42156
Crash type: Dynamic-stack-buffer-overflow READ 4
Crash state:
zend_calc_live_ranges
pass_two
zend_compile_func_decl
- Record
OSV-2021-1670- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
phpOSS-Fuzz |
Listed versions, plus commit ranges php-8.1.2RC1php-8.1.3php-8.1.4RC1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
OSV-2021-1670 is a vulnerability with no CVSS score yet in php, published December 12, 2021. No source lists public exploit code. A source reports a fix.