CVE-2017-9229

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2022-05-14. NVD baseline CVSS 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 5%CVSS: 7.5Exploit: NoneExposed: 0

A fix is available — apply it.

An issue was discovered in Oniguruma 6.2.0, as used in Oniguruma-mod in Ruby through 2.4.1 and mbstring in PHP through 7.1.5. A SIGSEGV occurs in left_adjust_char_head() during regular expression compilation. Invalid handling of reg->dmax in forward_search_range() could result in an invalid pointer dereference, normally as an immediate denial-of-service condition.

CVSS v3
7.5
EG Score
7.5(medium)
EPSS
91.4%
KEV
Not listed

Published

May 24, 2017

Last Modified

May 13, 2026

References (6)

Vendor Advisories for CVE-2017-9229(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(4)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntuphp7.0-fpm (7.0.22-0ubuntu0.17.04.1) @ zesty2026-05-22ubuntu
ubuntuphp5-cgi (5.3.10-1ubuntu3.28) @ precise2026-05-22ubuntu
redhatoniguruma-main-6.9.10-4.1.hum12026-04-10redhat
redhatrh-php70-php-0:7.0.27-1.el72018-05-03redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Additional Vendor Advisories

(3)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 11× in last 7d / 45× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-06 16:24 UTCEPSS rescore
  2. 2026-07-06 16:24 UTCEPSS rescore
  3. 2026-07-06 02:20 UTCEPSS rescore
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  10. 2026-06-30 23:19 UTCEPSS rescore
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  20. 2026-06-23 21:30 UTCEPSS rescore
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  22. 2026-06-23 05:00 UTCOSV refresh
  23. 2026-06-22 14:23 UTCEPSS rescore
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  1. 2026-06-21 14:54 UTCEPSS rescore
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  4. 2026-06-18 17:50 UTCEPSS rescore
  5. 2026-06-17 17:50 UTCEPSS rescore
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  8. 2026-06-14 23:14 UTCEPSS rescore
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  19. 2026-06-07 15:22 UTCEPSS rescore
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  21. 2026-06-06 13:45 UTCEPSS rescore
  22. 2026-06-06 13:45 UTCEPSS rescore
  23. 2026-06-06 02:48 UTCOSV refresh
  24. 2026-06-05 22:44 UTCEPSS rescore
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  26. 2026-06-05 06:08 UTCEPSS rescore
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  30. 2026-06-02 20:11 UTCEPSS rescore
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  37. 2026-05-29 13:41 UTCEPSS rescore
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  40. 2026-05-27 13:38 UTCEPSS rescore
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  42. 2026-05-26 13:42 UTCEPSS rescore
  43. 2026-05-26 07:17 UTCEPSS rescore
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  45. 2026-05-22 21:15 UTCEPSS rescore
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  52. 2026-05-22 13:03 UTCEG score recompute
  53. 2026-05-22 13:03 UTCVendor advisory
  54. 2026-05-22 13:03 UTCGHSA enrichment
  55. 2026-05-21 22:40 UTCEPSS rescore
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  72. 2026-05-18 21:30 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2017-9229?
CVE-2017-9229 is a high vulnerability published on May 24, 2017. An issue was discovered in Oniguruma 6.2.0, as used in Oniguruma-mod in Ruby through 2.4.1 and mbstring in PHP through 7.1.5. A SIGSEGV occurs in leftadjustcharhead() during regular expression compilation. Invalid handling of reg->dmax in forwardsearch_range() could result in an invalid pointer…
When was CVE-2017-9229 disclosed?
CVE-2017-9229 was first published in the National Vulnerability Database on May 24, 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-2017-9229 actively exploited?
CVE-2017-9229 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 91.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2017-9229?
CVE-2017-9229 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2017-9229?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-9229, 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.

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