Vulnerability · Published Jun 2, 2025 · Assigned by mitre

CVE-2025-49112

Low 3.1

In plain English

A low-severity security flaw in Valkey from Valkey. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)3.1Low
Exploit odds (30 days)0.3%top 82.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

setDeferredReply in networking.c in Valkey through 8.1.1 has an integer underflow for prev->size - prev->used.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:14redict7.3.5+ds-1DEBIAN-CVE-2025-49112
Debian:12redisno fix listedDEBIAN-CVE-2025-49112
Debian:13redisno fix listedDEBIAN-CVE-2025-49112
Debian:14redisno fix listedDEBIAN-CVE-2025-49112
Debian:13valkey8.1.1+dfsg1-2DEBIAN-CVE-2025-49112
Debian:14valkey8.1.1+dfsg1-2DEBIAN-CVE-2025-49112
Ubuntu:25.10redictno fix listedUBUNTU-CVE-2025-49112
Ubuntu:26.04:LTSredictno fix listedUBUNTU-CVE-2025-49112
Ubuntu:26.10redictno fix listedUBUNTU-CVE-2025-49112
Ubuntu:24.04:LTSredisno fix listedUBUNTU-CVE-2025-49112
Ubuntu:25.10redisno fix listedUBUNTU-CVE-2025-49112
Ubuntu:26.04:LTSredisno fix listedUBUNTU-CVE-2025-49112
Ubuntu:26.10redisno fix listedUBUNTU-CVE-2025-49112
Ubuntu:24.04:LTSvalkey7.2.11+dfsg1-0ubuntu0.2UBUNTU-CVE-2025-49112
Ubuntu:24.04:LTSvalkey7.2.11+dfsg1-0ubuntu0.2USN-7893-1
Ubuntu:25.10valkey8.1.4+dfsg1-0ubuntu0.2UBUNTU-CVE-2025-49112
Ubuntu:25.10valkey8.1.4+dfsg1-0ubuntu0.2USN-7893-1

Affected products (as reported)

VendorProductVersions
Valkey Valkey 0 – through 8.1.1

Weakness: CWE-191 · Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

References