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CVE-2022-1587 (GCVE-0-2022-1587)

Vulnerability from cvelistv5 – Published: 2022-05-16 00:00 – Updated: 2024-08-03 00:10
VLAI
Summary
An out-of-bounds read vulnerability was discovered in the PCRE2 library in the get_recurse_data_length() function of the pcre2_jit_compile.c file. This issue affects recursions in JIT-compiled regular expressions caused by duplicate data transfers.
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 CPE status
n/a pcre2 Affected: Fixed in pcre2-10.40.
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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T14:52:25+00:00",
      "cve": "CVE-2022-1587",
      "id": "CVE-2022-1587",
      "initial_release_date": "2022-03-26T00:00:00+00:00",
      "product_status:fixed": "94",
      "product_status:known_not_affected": "12",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "pcre2: Out-of-bounds read in get_recurse_data_length in pcre2_jit_compile.c",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-1587.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-08-31T01:51:35Z",
      "cve": "CVE-2022-1587",
      "id": "CVE-2022-1587",
      "initial_release_date": "2023-02-15T03:33:42Z",
      "product_status:known_affected": "247",
      "product_status:known_not_affected": "494",
      "product_status:recommended": "549",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-1587",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-1587.json",
      "version": "41"
    }
  }
}



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Taxonomy of the tags.





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

Author Source Type Date Other

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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.