CVE-2020-1900 (GCVE-0-2020-1900)
Vulnerability from cvelistv5
Published
2021-03-11 00:55
Modified
2024-08-04 06:54
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-416 - Use After Free ()
Summary
When unserializing an object with dynamic properties HHVM needs to pre-reserve the full size of the dynamic property array before inserting anything into it. Otherwise the array might resize, invalidating previously stored references. This pre-reservation was not occurring in HHVM prior to v4.32.3, between versions 4.33.0 and 4.56.0, 4.57.0, 4.58.0, 4.58.1, 4.59.0, 4.60.0, 4.61.0, 4.62.0.
References
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Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| HHVM |
Patch: 4.62.1 < unspecified Version: 4.62.0 Patch: 4.61.1 < unspecified Version: 4.61.0 Patch: 4.60.1 < unspecified Version: 4.60.0 Patch: 4.59.1 < unspecified Version: 4.59.0 Patch: 4.58.2 < unspecified Version: 4.58.0 < unspecified Patch: 4.57.1 < unspecified Version: 4.57.0 Patch: 4.56.1 < unspecified Version: 4.33.0 < unspecified Patch: 4.32.3 < unspecified Version: unspecified < 4.32.3 |
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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