GCVE - cpe:2.3:a:facebook:hhvm:4.94.0:*:*:*:*:*:*:*

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cpe:2.3:a:facebook:hhvm:4.94.0:*:*:*:*:*:*:*

part: a version: 4.94.0 update: *

Vendor	Facebook (`c319c35a-3469-5baa-b3bd-8582d1206a92`)
Product	Hhvm (`f2db6c03-3315-587d-a49f-0af5739172b6`)
Edition	*
Language	*
Software edition	*
Target software	*
Target hardware	*
Other	*
Notes	Imported from NVD CPE 2.0 feed

PURL mappings

PURL	Source	Last updated
`pkg:github/facebook/hhvm`	purl2cpe	2026-06-01 10:11:42.804249

Vulnerability references

Identifier	cpeApplicability	Submitted	db.gcve.eu details	Rationale
`CVE:CVE-2021-24025`	vulnerable	2026-06-03 14:43:55.973732	Details available Due to incorrect string size calculations inside the preg_quote function, a large input string passed to the function can trigger an integer overflow leading to a heap overflow. This issue affects HHVM versions prior to 4.56.3, all versions between 4.57.0 and 4.80.1, all versions between 4.81.0 and 4.93.1, and versions 4.94.0, 4.95.0, 4.96.0, 4.97.0, 4.98.0. Published: 2021-03-10T15:50:30.000Z Updated: 2024-08-03T19:14:10.116Z Open on db.gcve.eu Reference links https://hhvm.com/blog/2021/02/25/security-update.html https://github.com/facebook/hhvm/commit/08193b7f0cd3910256e00d599f0f3eb2519c44ca	Imported from gcve-enriched-dumps CVE data
`CVE:CVE-2020-1921`	vulnerable	2026-06-03 14:41:59.067942	Details available In the crypt function, we attempt to null terminate a buffer using the size of the input salt without validating that the offset is within the buffer. This issue affects HHVM versions prior to 4.56.3, all versions between 4.57.0 and 4.80.1, all versions between 4.81.0 and 4.93.1, and versions 4.94.0, 4.95.0, 4.96.0, 4.97.0, 4.98.0. Published: 2021-03-10T15:50:30.000Z Updated: 2024-08-04T06:54:00.475Z Open on db.gcve.eu Reference links https://hhvm.com/blog/2021/02/25/security-update.html https://github.com/facebook/hhvm/commit/08193b7f0cd3910256e00d599f0f3eb2519c44ca	Imported from gcve-enriched-dumps CVE data
`CVE:CVE-2020-1919`	vulnerable	2026-06-03 14:41:59.064881	Details available Incorrect bounds calculations in substr_compare could lead to an out-of-bounds read when the second string argument passed in is longer than the first. This issue affects HHVM versions prior to 4.56.3, all versions between 4.57.0 and 4.80.1, all versions between 4.81.0 and 4.93.1, and versions 4.94.0, 4.95.0, 4.96.0, 4.97.0, 4.98.0. Published: 2021-03-10T15:50:29.000Z Updated: 2024-08-04T06:53:59.858Z Open on db.gcve.eu Reference links https://hhvm.com/blog/2021/02/25/security-update.html https://github.com/facebook/hhvm/commit/08193b7f0cd3910256e00d599f0f3eb2519c44ca	Imported from gcve-enriched-dumps CVE data
`CVE:CVE-2020-1918`	vulnerable	2026-06-03 14:41:59.064371	Details available In-memory file operations (ie: using fopen on a data URI) did not properly restrict negative seeking, allowing for the reading of memory prior to the in-memory buffer. This issue affects HHVM versions prior to 4.56.3, all versions between 4.57.0 and 4.80.1, all versions between 4.81.0 and 4.93.1, and versions 4.94.0, 4.95.0, 4.96.0, 4.97.0, 4.98.0. Published: 2021-03-10T15:50:28.000Z Updated: 2024-08-04T06:53:59.798Z Open on db.gcve.eu Reference links https://hhvm.com/blog/2021/02/25/security-update.html https://github.com/facebook/hhvm/commit/08193b7f0cd3910256e00d599f0f3eb2519c44ca	Imported from gcve-enriched-dumps CVE data
`CVE:CVE-2020-1917`	vulnerable	2026-06-03 14:41:59.061640	Details available xbuf_format_converter, used as part of exif_read_data, was appending a terminating null character to the generated string, but was not using its standard append char function. As a result, if the buffer was full, it would result in an out-of-bounds write. This issue affects HHVM versions prior to 4.56.3, all versions between 4.57.0 and 4.80.1, all versions between 4.81.0 and 4.93.1, and versions 4.94.0, 4.95.0, 4.96.0, 4.97.0, 4.98.0. Published: 2021-03-10T15:50:28.000Z Updated: 2024-08-04T06:53:59.921Z Open on db.gcve.eu Reference links https://hhvm.com/blog/2021/02/25/security-update.html https://github.com/facebook/hhvm/commit/08193b7f0cd3910256e00d599f0f3eb2519c44ca	Imported from gcve-enriched-dumps CVE data

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