CVE-2020-12268

jbig2_image_compose in jbig2_image.c in Artifex jbig2dec before 0.18 has a heap-based buffer overflow

published April 27, 2020

CVSS
—
EPSS
3%
Percentile
86.1
In the wild
Unconfirmed
What it is

⚠️ Heap-based buffer overflow in jbig2dec is like a chaotic overflow of guests at a party—too many data bytes can lead to unexpected crashes! Think of it like a restaurant that overbooks tables, causing a backlog in the kitchen. If too many orders pile up without being managed, it can lead to a total meltdown in service, spilling over into chaos! An attacker could exploit this overflow, potentially leading to crashes or even arbitrary code execution, putting systems at risk. While there's no known exploitation so far, the vulnerability's nature means that we can't rule out future risks. It's a sneaky little threat that could turn into a bigger problem if left unchecked!

Put simply

Think of it like a restaurant that overbooks tables, causing a backlog in the kitchen. If too many orders pile up without being managed, it can lead to a total meltdown in service, spilling over into chaos! The vulnerability in jbig2_image_compose allows for a heap-based buffer overflow, which occurs due to improper handling of data inputs in the jbig2dec library. This flaw could permit attackers to manipulate memory allocation and potentially execute malicious code.

What to do

An attacker could exploit this overflow, potentially leading to crashes or even arbitrary code execution, putting systems at risk. While there's no known exploitation so far, the vulnerability's nature means that we can't rule out future risks. It's a sneaky little threat that could turn into a bigger problem if left unchecked! Upgrade jbig2dec to version 0.18 or later, ensuring you address this vulnerability in your codebase. If you’re using a package manager, check for updates regularly to stay secure! You can tackle this! Stay proactive with updates, and you'll keep your systems safe and sound. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02740 · 86.1th percentile
Published
2020-04-27T01:44Z
EPSS history
Timeline
  • 27 APR 01:44Z
    jbig2_image_compose in jbig2_image.c in Artifex jbig2dec before 0.18 has a heap-based buffer overflow
    cvelistv5