Security readout for executives and security teams
CVE-2016-5873 is a buffer overflow in PECL HTTP URL parsing before 3.0.1. A crafted URL containing non-printable characters could potentially let a remote attacker run code in the affected PHP process. Treat it as important where older PHP HTTP extension code is internet-facing or processes untrusted URLs. Exposure is most likely in PHP applications or packaged systems using pecl_http/ext-http before 3.0.1 to parse attacker-controlled URLs. The provided data does not enumerate affected downstream products, versions, or deployment patterns beyond referenced advisories. Prioritize remediation for exposed services because the documented impact includes potential remote code execution. Business urgency is lower where pecl_http is absent, already upgraded, or not reachable through untrusted URL input. Mitigation focus: Upgrade pecl_http to 3.0.1 or later where installed.; Check Gentoo, NetApp, and local vendor guidance for packaged fixes.; Inventory PHP runtimes for pecl_http/ext-http usage..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2016-5873 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://security.netapp.com/advisory/ntap-20180112-0001/CVE reference · x_refsource_CONFIRM
- GLSA-201612-17CVE reference · vendor-advisory, x_refsource_GENTOO
- https://github.com/m6w6/ext-http/commit/3724cd76a28be1d6049b5537232e97acCVE reference · x_refsource_CONFIRM
- https://bugs.php.net/bug.php?id=71719CVE reference · x_refsource_CONFIRM
- https://pecl.php.net/package/pecl_http/3.0.1CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.