VYPR
← All advisories
Critical severity9.8NVD Advisory· Published Jul 23, 2021· Updated Jun 17, 2026

CVE-2021-24036

CVE-2021-24036

Description

Passing an attacker controlled size when creating an IOBuf could cause integer overflow, leading to an out of bounds write on the heap with the possibility of remote code execution. This issue affects versions of folly prior to v2021.07.22.00. This issue affects HHVM versions prior to 4.80.5, all versions between 4.81.0 and 4.102.1, all versions between 4.103.0 and 4.113.0, and versions 4.114.0, 4.115.0, 4.116.0, 4.117.0, 4.118.0 and 4.118.1.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

12
  • Facebook/folly3 versions
    cpe:2.3:a:facebook:folly:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:facebook:folly:*:*:*:*:*:*:*:*range: <2021.07.22.00
    • (no CPE)range: <v2021.07.22.00
    • (no CPE)range: unspecified
  • Facebook/Hhvm8 versions
    cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*+ 7 more
    • cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*range: <4.80.5
    • cpe:2.3:a:facebook:hhvm:4.114.0:*:*:*:*:*:*:*
    • cpe:2.3:a:facebook:hhvm:4.115.0:*:*:*:*:*:*:*
    • cpe:2.3:a:facebook:hhvm:4.116.0:*:*:*:*:*:*:*
    • cpe:2.3:a:facebook:hhvm:4.117.0:*:*:*:*:*:*:*
    • cpe:2.3:a:facebook:hhvm:4.118.0:*:*:*:*:*:*:*
    • cpe:2.3:a:facebook:hhvm:4.118.1:*:*:*:*:*:*:*
    • (no CPE)range: 4.118.0
  • HHVM/HHVMllm-fuzzy
    Range: 4.80.5, 4.81.0-4.102.1, 4.103.0-4.113.0, 4.114.0-4.118.1

Patches

Vulnerability mechanics

References

3

News mentions

0

No linked articles in our index yet.