Read the docs
TI-2017-12241 Aliases CVE-2017-16642GHSA-3r8x-r93p-fr32

In PHP before 5.6.32, 7.x before 7.0.25, and 7.1.x before 7.1.11, an error in the date…

Priority MEDIUM 55CWE-125Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Partial Red Hat: 9 fixed, 4 without a fix

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-125 and the CVSS impact.

Summary

In PHP before 5.6.32, 7.x before 7.0.25, and 7.1.x before 7.1.11, an error in the date extension's timelib_meridian handling of 'front of' and 'back of' directives could be used by attackers able to supply date strings to leak information from the interpreter, related to ext/date/lib/parse_date.c out-of-bounds reads affecting the php_parse_date function. NOTE: this is a different issue than CVE-2017-11145.

Why it matters now

EPSS 0.26373 98th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Partial Red Hat: 2 advisoriesRed Hat: 9 fixed, 4 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*before 5.6.32; 7.0.0 to before 7.0.25; 7.1.0 to before 7.1.11VulnerablePHP
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*14.04VulnerableCanonical
cpe:2.3:a:netapp:storage_automation_store:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:o:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
  • cpe:2.3:a:php:php:*:*:*:*:*:*:*:* Versions before 5.6.32; 7.0.0 to before 7.0.25; 7.1.0 to before 7.1.11 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:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Versions 14.04 Vulnerable ·Canonical
  • cpe:2.3:a:netapp:storage_automation_store:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:o:netapp:clustered_data_ontap:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp

Remediation

Red Hat 2 advisories

  • RHSA-2019:2519 Released 2019-08-19 · Red Hat rating Moderate
    rh-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
  • RHSA-2018:1296 Released 2018-05-03 · Red Hat rating Moderate
    rh-php70-php security, bug fix, and enhancement update
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) rh-php70-php-7.0.27-1.el6, rh-php70-php-bcmath-7.0.27-1.el6, rh-php70-php-cli-7.0.27-1.el6 +28
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-php70-php-7.0.27-1.el7, rh-php70-php-bcmath-7.0.27-1.el7, rh-php70-php-cli-7.0.27-1.el7 +26
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.7) rh-php70-php-7.0.27-1.el6, rh-php70-php-bcmath-7.0.27-1.el6, rh-php70-php-cli-7.0.27-1.el6 +28
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.3) rh-php70-php-7.0.27-1.el7, rh-php70-php-bcmath-7.0.27-1.el7, rh-php70-php-cli-7.0.27-1.el7 +26
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4) rh-php70-php-7.0.27-1.el7, rh-php70-php-bcmath-7.0.27-1.el7, rh-php70-php-cli-7.0.27-1.el7 +26
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5) rh-php70-php-7.0.27-1.el7, rh-php70-php-bcmath-7.0.27-1.el7, rh-php70-php-cli-7.0.27-1.el7 +26
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) rh-php70-php-7.0.27-1.el6, rh-php70-php-bcmath-7.0.27-1.el6, rh-php70-php-cli-7.0.27-1.el6 +28
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-php70-php-7.0.27-1.el7, rh-php70-php-bcmath-7.0.27-1.el7, rh-php70-php-cli-7.0.27-1.el7 +26

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux 7AffectedNo fix planned: Will not fix
Red Hat Software CollectionsAffectedNo fix planned: Will not fix
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2018:1296
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2018:1296, RHSA-2019:2519
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.7)Fixed RHSA-2018:1296
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.3)Fixed RHSA-2018:1296
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4)Fixed RHSA-2018:1296, RHSA-2019:2519
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5)Fixed RHSA-2018:1296, 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. 6)Fixed RHSA-2018:1296
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2018:1296, RHSA-2019:2519

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-16642
  2. 2026-10-03 Alias added: GHSA-3r8x-r93p-fr32

References

Sources