CVE-2025-62507CWE-121CWE-20CWE-787

CVE-2025-62507

High · published November 5, 2025

CVSS v3.1
8.8
EPSS
7%
Percentile
94.0
In the wild
Unconfirmed
What it is

⚡ Watch out! A crafty XACKDEL command can lead to a stack buffer overflow in Redis versions 8.2.0 and above, paving the way for potential remote code execution! 🔥 Think of it like a chef who can toss too many ingredients into a pot, causing it to overflow and ruin the whole dish. In this case, the ingredient is the XACKDEL command being misused, leading to a chaotic kitchen where anything can happen! If an attacker exploits this vulnerability, they could execute arbitrary code on your server, leading to catastrophic results like data loss, unauthorized access, or system compromise. That's a nightmare scenario for anyone managing critical data!

Put simply

Think of it like a chef who can toss too many ingredients into a pot, causing it to overflow and ruin the whole dish. In this case, the ingredient is the XACKDEL command being misused, leading to a chaotic kitchen where anything can happen! The vulnerability in Redis allows users to invoke the XACKDEL command with multiple IDs, which triggers a stack buffer overflow, potentially enabling remote code execution. This is a serious flaw that could be exploited if not addressed properly.

What to do

If an attacker exploits this vulnerability, they could execute arbitrary code on your server, leading to catastrophic results like data loss, unauthorized access, or system compromise. That's a nightmare scenario for anyone managing critical data! To protect yourself, upgrade to Redis version 8.2.3 immediately, as it contains the fix. If patching isn't an option right away, use Access Control Lists (ACL) to restrict the execution of the XACKDEL command. This is a crucial step to keep your data safe! You've got this! Follow these steps and you'll have your Redis instance secured in no time! 🛡️

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.06792 · 94.0th percentile
Weaknesses
CWE-121 · Stack-based Buffer Overflow; CWE-20 · Improper Input Validation; CWE-787 · Out-of-bounds Write
Published
2025-11-05T03:16Z
Affected products (1)
ProductVersionsFixed in
redis/redis≥ 8.2.0, < 8.2.38.2.3
References (3)
EPSS history
Timeline
  • 04 NOV 21:24Z
    Redis: Bug in XACKDEL may lead to stack overflow and potential RCE
    cvelistv5