OSV-2021-455
Heap-use-after-free in zend_hash_iterator_pos_ex
No scoreFix available
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31423
Crash type: Heap-use-after-free READ 1
Crash state:
zend_hash_iterator_pos_ex
ZEND_FE_FETCH_RW_SPEC_VAR_HANDLER
fuzzer_execute_ex
What each source reports
OSV No score
Heap-use-after-free in zend_hash_iterator_pos_ex
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31423
Crash type: Heap-use-after-free READ 1
Crash state:
zend_hash_iterator_pos_ex
ZEND_FE_FETCH_RW_SPEC_VAR_HANDLER
fuzzer_execute_ex
- Record
OSV-2021-455- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
phpOSS-Fuzz |
Listed versions, plus commit ranges php-8.0.0php-8.0.0RC2php-8.0.0RC3php-8.0.0RC4php-8.0.0RC5 Show 9 moreShow lessphp-8.0.0beta3php-8.0.0beta4php-8.0.0rc1php-8.0.1php-8.0.1RC1php-8.0.2php-8.0.2RC1php-8.0.3php-8.0.3RC1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
OSV-2021-455 is a vulnerability with no CVSS score yet in php, published February 28, 2021. No source lists public exploit code. A source reports a fix.