The Apache2 component in PHP before 5.6.38, 7.0.x before 7.0.32, 7.1.x before 7.1.22, and…
Priority LOW 34CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Partial Red Hat: 5 fixed, 4 without a fix
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-79.
Summary
The Apache2 component in PHP before 5.6.38, 7.0.x before 7.0.32, 7.1.x before 7.1.22, and 7.2.x before 7.2.10 allows XSS via the body of a "Transfer-Encoding: chunked" request, because the bucket brigade is mishandled in the php_handler function in sapi/apache2handler/sapi_apache2.c.
Why it matters now
EPSS 0.04103 90th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Red Hat: 1 advisoryRed Hat: 5 fixed, 4 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:php:php:*:*:*:*:*:*:*:* | before 5.6.38; 7.0.0 to before 7.0.32; 7.1.0 to before 7.1.22; 7.2.0 to before 7.2.10 | Vulnerable | PHP |
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Debian |
| cpe:2.3:a:netapp:storage_automation_store:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | NetApp |
- cpe:2.3:a:php:php:*:*:*:*:*:*:*:* Versions before 5.6.38; 7.0.0 to before 7.0.32; 7.1.0 to before 7.1.22; 7.2.0 to before 7.2.10 Vulnerable ·PHP
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
- cpe:2.3:a:netapp:storage_automation_store:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
Remediation
Red Hat 1 advisory
- RHSA-2019:2519 Released 2019-08-19 · Red Hat rating Moderaterh-php71-php security, bug fix, and enhancement update
- Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-php71-php-7.1.30-1.el7, rh-php71-php-bcmath-7.1.30-1.el7, rh-php71-php-cli-7.1.30-1.el7 +26
- Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4) rh-php71-php-7.1.30-1.el7, rh-php71-php-bcmath-7.1.30-1.el7, rh-php71-php-cli-7.1.30-1.el7 +26
- Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5) rh-php71-php-7.1.30-1.el7, rh-php71-php-bcmath-7.1.30-1.el7, rh-php71-php-cli-7.1.30-1.el7 +26
- Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6) rh-php71-php-7.1.30-1.el7, rh-php71-php-bcmath-7.1.30-1.el7, rh-php71-php-cli-7.1.30-1.el7 +26
- Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-php71-php-7.1.30-1.el7, rh-php71-php-bcmath-7.1.30-1.el7, rh-php71-php-cli-7.1.30-1.el7 +26
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Will not fix |
| Red Hat Software Collections | Affected | No fix planned: Will not fix |
| Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2019:2519 |
| Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4) | Fixed | RHSA-2019:2519 |
| Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5) | Fixed | RHSA-2019:2519 |
| Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6) | Fixed | RHSA-2019:2519 |
| Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2019:2519 |
Not affected: 2 products
- Red Hat Enterprise Linux 8
- Red Hat Software Collections
Timeline
- 2026-10-02 Threatist record created from CVE-2018-17082
- 2026-10-03 Alias added: GHSA-rhx7-v569-mfc2
References
Advisory 5
Sources
- CVE-2018-17082 · CVE Program
- CVE-2018-17082 · NVD
- FIRST EPSS
- GHSA-rhx7-v569-mfc2 · GitHub Advisory Database · CC BY 4.0
- CVE-2018-17082 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences