CVE-2022-1586 (GCVE-0-2022-1586)

Vulnerability from cvelistv5 – Published: 2022-05-16 00:00 – Updated: 2025-03-06 08:18
VLAI
Summary
An out-of-bounds read vulnerability was discovered in the PCRE2 library in the compile_xclass_matchingpath() function of the pcre2_jit_compile.c file. This involves a unicode property matching issue in JIT-compiled regular expressions. The issue occurs because the character was not fully read in case-less matching within JIT.
Severity
9.1 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a pcre2 Affected: Fixed in pcre2-10.40.
Show details on NVD website
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    "redhat_vex": {
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      "current_release_date": "2025-11-21T13:52:32+00:00",
      "cve": "CVE-2022-1586",
      "id": "CVE-2022-1586",
      "initial_release_date": "2022-03-23T00:00:00+00:00",
      "product_status:fixed": "194",
      "product_status:known_not_affected": "6",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "pcre2: Out-of-bounds read in compile_xclass_matchingpath in pcre2_jit_compile.c",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-1586.json",
      "version": "3"
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}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.