CVE-2019-12798

An issue was discovered in Artifex MuJS 1.0.5

published June 13, 2019

CVSS
โ€”
EPSS
2%
Percentile
76.5
In the wild
Unconfirmed
What it is

โš ๏ธ An overlooked issue in Artifex MuJS allows for unregulated regular expression sizes, potentially leading to some wild behavior! Think of it as a library that keeps accepting books without checking the shelf space โ€” eventually, the shelves burst and chaos ensues! ๐Ÿ“š If an attacker were to exploit this, it could result in a system crash or unexpected behavior from the application, which isn't great for anyone relying on stability. While it may not be actively exploited, the possibility of overflow is always a concern you'd want to address!

Put simply

Think of it as a library that keeps accepting books without checking the shelf space โ€” eventually, the shelves burst and chaos ensues! ๐Ÿ“š This vulnerability in Artifex MuJS 1.0.5's regcompx function fails to limit the size of regular expression programs, which can lead to an overflow in the parsed syntax list. This could potentially compromise the application's performance or stability.

What to do

If an attacker were to exploit this, it could result in a system crash or unexpected behavior from the application, which isn't great for anyone relying on stability. While it may not be actively exploited, the possibility of overflow is always a concern you'd want to address! To address this, consider upgrading to a patched version of Artifex MuJS if available, and review your regex usage to ensure they remain within reasonable limits. Additionally, stay updated with security advisories from Artifex to avoid surprises! Youโ€™ve got this! Tackling these issues head-on makes you a true security hero! ๐Ÿฆธ

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01661 ยท 76.5th percentile
Published
2019-06-13T16:58Z
EPSS history
Timeline
  • 13 JUN 16:58Z
    An issue was discovered in Artifex MuJS 1.0.5
    cvelistv5