An issue was discovered in certain Apple products. macOS before 10.13.1 is affected. The issue involves the third-party "PCRE" product. Versions before 8.40 allow remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact.
CVE-2017-13846
CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence
Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-17. NVD baseline CVSS 9.8; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 3%CVSS: 9.8Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 9.8
- EG Score
- 9.8(medium)
- EPSS
- 85.4%
- KEV
- Not listed
Published
November 13, 2017
Last Modified
May 13, 2026
Advisory Details (2)
Auto-updated May 17, 2026No patch confirmed yet.
generic
About the security content of macOS High Sierra 10.13.1, Security Update 2017-001 Sierra, and Security Update 2017-004 El Capitan - Apple Support
https://support.apple.com/HT208221Frequently asked(5)
What is CVE-2017-13846?
CVE-2017-13846 is a critical vulnerability published on November 13, 2017. An issue was discovered in certain Apple products. macOS before 10.13.1 is affected. The issue involves the third-party "PCRE" product. Versions before 8.40 allow remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact.
When was CVE-2017-13846 disclosed?
CVE-2017-13846 was first published in the National Vulnerability Database on November 13, 2017, with the most recent update on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-13846 actively exploited?
CVE-2017-13846 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 85.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2017-13846?
CVE-2017-13846 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2017-13846?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-13846, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2017-13846
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