CVE-2021-40532

Telegram Web K Alpha before 0.7.2 mishandles the characters in a document extension

published September 6, 2021

CVSS
—
EPSS
1%
Percentile
69.2
In the wild
Unconfirmed
What it is

⚠️ A simple mismanaged document extension can lead to unexpected behavior in Telegram Web K Alpha! Think of it like a restaurant that mislabels its menu items — you order a dish expecting one thing, but you get served something entirely different! This confusion can lead to a frustrating experience for users. If exploited, this vulnerability could mislead users about the type of documents they are interacting with, potentially causing them to open harmful files thinking they are safe. While it might not be catastrophic, the confusion can lead to significant trust issues.

Put simply

Think of it like a restaurant that mislabels its menu items — you order a dish expecting one thing, but you get served something entirely different! This confusion can lead to a frustrating experience for users. CVE-2021-40532 involves Telegram Web K Alpha mishandling specific characters in document extensions, which could result in improper file handling and unexpected behavior when users open documents.

What to do

If exploited, this vulnerability could mislead users about the type of documents they are interacting with, potentially causing them to open harmful files thinking they are safe. While it might not be catastrophic, the confusion can lead to significant trust issues. Upgrade Telegram Web K Alpha to version 0.7.2 or later to address this vulnerability and ensure proper document handling. Regularly audit your applications to maintain security best practices. You've got this! With the right updates, you'll keep your users safe and secure! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01252 · 69.2th percentile
Published
2021-09-06T20:23Z
EPSS history
Timeline
  • 06 SEP 20:23Z
    Telegram Web K Alpha before 0.7.2 mishandles the characters in a document extension
    cvelistv5