CVE-2014-9769: Buffer Overflow
pcrejitcompile.c in PCRE 8.35 does not properly use table jumps to optimize nested alternatives, which allows remote attackers to cause a denial of service (stack memory corruption) or possibly have unspecified other impact via a crafted string, as demonstrated by packets encountered by Suricata during use of a regular expression in an Emerging Threats Open ruleset.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2014-9769?
CVE-2014-9769 is considered a high severity vulnerability that can lead to denial of service due to stack memory corruption.
How do I fix CVE-2014-9769?
To address CVE-2014-9769, update PCRE to version 8.36 or later, as this version includes a patch for the vulnerability.
What are the impacts of CVE-2014-9769?
CVE-2014-9769 allows remote attackers to cause a denial of service through crafted strings, which can result in stack memory corruption.
Who is affected by CVE-2014-9769?
CVE-2014-9769 specifically affects users of PCRE version 8.35.
Is CVE-2014-9769 related to regular expressions?
Yes, CVE-2014-9769 involves the PCRE library used for processing Perl-compatible regular expressions, specifically in its handling of nested alternatives.