CVE-2017-8399

PCRE2 before 10.30 has an out-of-bounds write caused by a stack-based buffer overflow in pcre2_match.c, related to a "pattern with very many captures."

published May 1, 2017

CVSS
—
EPSS
3%
Percentile
87.7
In the wild
Unconfirmed
What it is

⚠️ A pattern with too many captures can lead to an out-of-bounds write in PCRE2 before version 10.30! This could spell trouble if you're not careful! 🚨 Think of it like an overstuffed suitcase — when you try to cram too much in, it bursts open, spilling its contents everywhere. In this case, the buffer overflow can cause unpredictable behavior in your application. An attacker could potentially exploit this vulnerability to manipulate the memory of an application, leading to crashes, unexpected behavior, or even data corruption. While it hasn't been known to be exploited in the wild, the implications of a buffer overflow can be absolutely devastating if left unaddressed!

Put simply

Think of it like an overstuffed suitcase — when you try to cram too much in, it bursts open, spilling its contents everywhere. In this case, the buffer overflow can cause unpredictable behavior in your application. This vulnerability arises from a stack-based buffer overflow in pcre2_match.c, caused by processing a 'pattern with very many captures', allowing for out-of-bounds writes that could corrupt adjacent memory.

What to do

An attacker could potentially exploit this vulnerability to manipulate the memory of an application, leading to crashes, unexpected behavior, or even data corruption. While it hasn't been known to be exploited in the wild, the implications of a buffer overflow can be absolutely devastating if left unaddressed! Upgrade to PCRE2 version 10.30 or later to patch this vulnerability. Ensure you're using the latest version to maintain security and protect your applications from unexpected behaviors. Regularly audit your dependencies for updates! This is fixable! Follow these steps, and you’ll have your system secured in no time. You've got this! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.03118 · 87.7th percentile
Published
2017-05-01T18:00Z
EPSS history
Timeline
  • 01 MAY 18:00Z
    PCRE2 before 10.30 has an out-of-bounds write caused by a stack-based buffer overflow in pcre2_match.c, related to a "pattern with very many captures."
    cvelistv5