CVE-2018-6797

Advisory lineage Upstream: 0 Downstream: 9
Modified
Published: 17 Apr 2018, 20:00
Last modified:05 Aug 2024, 06:10

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.8 CRITICAL
v3.0 (nvd)
EPSS Score
1.47% LOW
1% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

17 Apr 2018, 20:00
Published
Vulnerability first disclosed
05 Aug 2024, 06:10
Last Modified
Vulnerability information updated

Description

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.

CVSS Metrics

  • v3.0•CRITICAL•Score: 9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • v2.0•HIGH•Score: 7.5AV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 1.47%• Percentile: 81%

Techniques & Countermeasures

  • CWE-787•Out-of-bounds Write

    The product writes data past the end, or before the beginning, of the intended buffer.

Affected Systems

  • canonical•ubuntu_linux

    16.04 | 17.10

  • debian•debian_linux

    8.0 | 9.0

  • perl•perl

    ≥ 5.18, ≤ 5.26

  • redhat•enterprise_linux_server

    7.0 | 7.3 | 7.4 | 7.5 | 7.6

  • redhat•enterprise_linux_workstation

    6.0 | 7.0

References (8)