Heap-Based Buffer Overflow in PCRE2 Can Lead to Service Disruption
CVE-2017-8786

9.8CRITICAL

Key Information:

Vendor

Pcre

Status
Pcre2
Vendor
CVE Published:
5 May 2017

What is CVE-2017-8786?

A vulnerability exists in PCRE2 10.23 where a crafted regular expression can trigger a heap-based buffer overflow, enabling remote attackers to disrupt service and potentially execute malicious actions. This vulnerability underscores the importance of validating input and maintaining current security practices to mitigate potential impacts.

References

https://security.gentoo.org/glsa/201710-09
vendor-advisoryx_refsource_GENTOO
https://vcs.pcre.org/pcre2?view=revision&revision=697
x_refsource_MISC
https://vcs.pcre.org/pcre2?view=revision&revision=696
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.