9.8

CVE-2016-6873: facebook hhvm

CVSS: 9.8v3.0CriticalModified
AliasesUBUNTU-CVE-2016-6873
Published 17-02-2017Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2016-6873 is a critical (CVSS 9.8) vulnerability in facebook hhvm. EPSS estimates a 2.22% chance of exploitation in the next 30 days, higher than 82.4% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.0 (NVD)
EPSS score
2.22%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 17-02-2017
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

Self recursion in compact in Facebook HHVM before 3.15.0 allows attackers to have unspecified impact via unknown vectors.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

2.22%

Chance of exploitation in the next 30 days

Percentile

82%

Versus all other CVEs

30-day change

0.00 pp

From 2.22% on 20-09-2026

20-09-202620-10-2026
EPSS score
2.22%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Facebook1 product
Ubuntu1 product
  • hhvmAll versions (No fix recorded)

2 vendors · 2 products

References

5 links