CVE-2018-6797 (GCVE-0-2018-6797)

Vulnerability from cvelistv5 – Published: 2018-04-17 20:00 – Updated: 2024-08-05 06:10
VLAI
Summary
An issue was discovered in Perl 5.18 through 5.26. A crafted regular expression can cause a heap-based buffer overflow, with control over the bytes written.
Severity
9.8 (Critical)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • n/a
Assigner
References
URL Tags
http://www.securitytracker.com/id/1042004 vdb-entryx_refsource_SECTRACK
https://access.redhat.com/errata/RHSA-2018:1192 vendor-advisoryx_refsource_REDHAT
http://www.securitytracker.com/id/1040681 vdb-entryx_refsource_SECTRACK
https://usn.ubuntu.com/3625-1/ vendor-advisoryx_refsource_UBUNTU
https://www.debian.org/security/2018/dsa-4172 vendor-advisoryx_refsource_DEBIAN
https://security.gentoo.org/glsa/201909-01 vendor-advisoryx_refsource_GENTOO
https://www.oracle.com/security-alerts/cpujul2020.html x_refsource_MISC
https://rt.perl.org/Public/Bug/Display.html?id=132227 x_refsource_CONFIRM
Date Public
2018-04-14 00:00
Show details on NVD website
To clipboard 

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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-28T06:55:50+00:00",
      "cve": "CVE-2018-6797",
      "id": "CVE-2018-6797",
      "initial_release_date": "2018-04-14T00:00:00+00:00",
      "product_status:fixed": "217",
      "product_status:known_affected": "13",
      "product_status:known_not_affected": "121",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "perl: heap write overflow in regcomp.c",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-6797.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "low",
      "current_release_date": "2026-07-26T00:20:55Z",
      "cve": "CVE-2018-6797",
      "id": "CVE-2018-6797",
      "initial_release_date": "2023-02-15T04:30:14Z",
      "product_status:recommended": "86",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2018-6797",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2018-6797.json",
      "version": "11"
    }
  }
}



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Tags
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.