CVE-2025-48367 | Redis DoS Vulnerability due to bad connection error handling

Redis is an open source, in-memory database that persists on disk. An unauthenticated connection can cause repeated IP protocol errors, leading to client starvation and, ultimately, a denial of service. This vulnerability is fixed in 8.0.3, 7.4.5, 7.2.10, and 6.2.19.

Published: 2025-07-07 Last update: 2025-09-05 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2025-48367 is rated Moderate Risk (52.7/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.46%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-48367

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-03 0.11% 0.46% +0.35%
2 2025-11-21 0.22% 0.11% -0.12%
3 2025-11-18 0.22%

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-48367

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 3.6 [email protected]

Weakness enumeration for CVE-2025-48367

OS Trackers for CVE-2025-48367

vendor priority summary link
alpine CVE-2025-48367: 3 source package rows (redict, redis, valkey); 98 state rows across 7 repos (3.19-main, 3.20-main, 3.21-main, 3.22-community, 3.22-main, edge-community, edge-main); fixed 13, open 85. https://security.alpinelinux.org/vuln/CVE-2025-48367
debian not yet assigned CVE-2025-48367 not yet assigned priority: Debian including 3 source packages (redict, redis, valkey), 10 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 10. https://security-tracker.debian.org/tracker/CVE-2025-48367
gentoo high CVE-2025-48367: 1 GLSA(s) (202511-05), 2 atom(s) (dev-db/redict, dev-db/redis); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2025-48367
redhat medium https://access.redhat.com/security/cve/CVE-2025-48367
suse high CVE-2025-48367 severity important: SUSE including 25 source package names (8.0.2-2.17:valkey-8.0.2-150600.13.14.1, redis-6.0.14-150200.6.40.1, …), 49 product×package rows across 26 product lines (Container private-registry/harbor-valkey, Image pr_15_6, … (26 product lines)): Fixed 49. https://www.suse.com/security/cve/CVE-2025-48367/
ubuntu medium CVE-2025-48367 medium priority: Ubuntu including 3 source packages (redict, redis, valkey), 22 status rows across 10 suites (bionic, focal, jammy, noble, oracular, plucky, questing, trusty, upstream, xenial): needed 7, ignored 6, DNE 3, released 3, needs-triage 2, not-affected 1. https://ubuntu.com/security/CVE-2025-48367

Affected software / configurations for CVE-2025-48367

Vendor Product Version Raw CPE
redis redis < 6.2.19 cpe:2.3:a:redis:redis:*:*:*:*:*:*:*:*
redis redis >= 7.0, < 7.2.10 cpe:2.3:a:redis:redis:*:*:*:*:*:*:*:*
redis redis >= 7.4.0, < 7.4.5 cpe:2.3:a:redis:redis:*:*:*:*:*:*:*:*
redis redis >= 8.0.0, < 8.0.3 cpe:2.3:a:redis:redis:*:*:*:*:*:*:*:*

References for CVE-2025-48367

cvelogic Threat Intelligence