CVE-2015-2739

The ArrayBufferBuilder::append function in Mozilla Firefox before 39.0, Firefox ESR 31.x before 31.8 and 38.x before 38.1, and Thunderbird before 38.1 accesses…

published July 6, 2015

CVSS
—
EPSS
3%
Percentile
85.9
In the wild
Unconfirmed
What it is

⚠️ Mozilla Firefox and Thunderbird have a sneaky memory-accessing flaw! If you're running versions before 39.0 or 38.1, you might be at risk of unintended consequences lurking behind the scenes. 🔍 Think of it like a waiter at a restaurant accidentally accessing the wrong table's orders — they might serve a side of confusion along with your meal! This vulnerability allows for unwanted memory interactions, which could lead to unpredictable behavior in your browser or email client. An attacker could exploit this flaw to manipulate the browser's memory in unexpected ways, potentially leading to crashes or other unknown issues. While the specific consequences are not well-defined, the risk of instability makes it a concern worth addressing.

Put simply

Think of it like a waiter at a restaurant accidentally accessing the wrong table's orders — they might serve a side of confusion along with your meal! This vulnerability allows for unwanted memory interactions, which could lead to unpredictable behavior in your browser or email client. The vulnerability lies in the ArrayBufferBuilder::append function, which accesses unintended memory locations in affected versions of Mozilla Firefox and Thunderbird. This unexpected memory access could lead to various unspecified impacts.

What to do

An attacker could exploit this flaw to manipulate the browser's memory in unexpected ways, potentially leading to crashes or other unknown issues. While the specific consequences are not well-defined, the risk of instability makes it a concern worth addressing. To safeguard your systems, make sure to update to at least Firefox 39.0 or Thunderbird 38.1. Regularly check for updates and apply patches as they become available to stay secure. You've got this! By following these steps, you're on the right track to keeping your browser safe and sound! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02725 · 85.9th percentile
Published
2015-07-06T01:00Z
EPSS history
Timeline
  • 06 JUL 01:00Z
    The ArrayBufferBuilder::append function in Mozilla Firefox before 39.0, Firefox ESR 31.x before 31.8 and 38.x before 38.1, and Thunderbird before 38.1 accesses…
    cvelistv5