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CVE-2025-62507

Redis: Bug in XACKDEL may lead to stack overflow and potential RCE

Published: Nov 4, 2025Updated: Dec 8, 2025 Sources: CVE List NVD BDUCWE-20
NVD MITRE
8.8CVSSHIGH
EPSS Score
6.3%
Top 7.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Redis is an open source, in-memory database that persists on disk. In versions 8.2.0 and above, a user can run the XACKDEL command with multiple ID's and trigger a stack buffer overflow, which may potentially lead to remote code execution. This issue is fixed in version 8.2.3. To workaround this issue without patching the redis-server executable is to prevent users from executing XACKDEL operation. This can be done using ACL to restrict XACKDEL command.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-20CWE-121CWE-787

Affected Products

РЕД ОСООО «Ред Софт»
On-premOS
Operating Systems / linux-distro
Redis ServerRedis Labs
On-premDatabase
Databases / cache-message-queue
redisredis
On-premDatabase
Databases / cache-message-queue
ооо «ред софт»commercialRUOperating Systemsaka red soft
redis labscommercialUSDatabasesaka redis labs redis, hiredis
redisoss-projectUSDatabasesaka redis server, redis-py, go-redis

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://github.com/redis/redis/security/advisories/GHSA-jhjx-x4cf-4vm8
github.com
http://repo.red-soft.ru/redos/7.3c/x86_64/updates/
repo.red-soft.ru
https://github.com/redis/redis/security/advisories/GHSA-jhjx-x4cf-4vm8
github.com
and 2 more references View all →

Timeline

Published
Nov 4, 2025
Last Updated
Dec 8, 2025

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