9.8

CVE-2016-5873: php pecl_http

CVSS: 9.8v3.0CriticalModified
AliasesDEBIAN-CVE-2016-5873
Published 23-01-2017Last modified 06-08-2024

Vulnerability summary

CVE-2016-5873 is a critical (CVSS 9.8) vulnerability in php pecl_http. EPSS estimates a 4.70% chance of exploitation in the next 30 days, higher than 91.7% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.0 (NVD)
EPSS score
4.70%
0%100%
Low · +0.20 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 23-01-2017
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

Buffer overflow in the HTTP URL parsing functions in pecl_http before 3.0.1 might allow remote attackers to execute arbitrary code via non-printable characters in a URL.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

4.70%

Chance of exploitation in the next 30 days

Percentile

92%

Versus all other CVEs

30-day change

+0.20 pp

From 4.50% on 21-09-2026

21-09-202621-10-2026
EPSS score
4.70%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (bugs.php.net)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • php-pecl-http< 3.0.1-0.1
Php1 product

2 vendors · 2 products

References

9 links