9.8

CVE-2016-7398: php ext-http Incorrect Type Conversion or Cast

CVSS: 9.8v3.1CriticalModified
AliasesUBUNTU-CVE-2016-7398DEBIAN-CVE-2016-7398DLA-1929-1
Published 06-09-2019Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2016-7398 is a critical (CVSS 9.8) Incorrect Type Conversion or Cast vulnerability in php ext-http. EPSS estimates a 6.80% chance of exploitation in the next 30 days, higher than 93.9% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
6.80%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference

Timeline

  1. 06-09-2019
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

A type confusion vulnerability in the merge_param() function of php_http_params.c in PHP's pecl-http extension 3.1.0beta2 (PHP 7) and earlier as well as 2.6.0beta2 (PHP 5) and earlier allows attackers to crash PHP and possibly execute arbitrary code via crafted HTTP requests.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

6.80%

Chance of exploitation in the next 30 days

Percentile

94%

Versus all other CVEs

30-day change

0.00 pp

From 6.80% on 20-09-2026

20-09-202620-10-2026
EPSS score
6.80%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • referenceUnverified

    Exploit Reference (bugs.php.net)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (bugs.php.net)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • php-pecl-http< 3.1.0+2.6.0-1 | < 2.0.4-1+deb8u1
Php1 product
  • ext-http≤ 2.5.6 | ≥ 3.0.0, ≤ 3.0.1 | 2.6.0 | 2.6.0:beta1 | 2.6.0:beta2 | 2.6.0:rc1 | 3.1.0 | 3.1.0:beta1 | 3.1.0:beta2 | 3.1.0:rc1
Ubuntu1 product
  • php-pecl-httpAll versions (No fix recorded)

3 vendors · 3 products

References

7 links