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CVE-2025-49112

Date: June 1, 2025

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

Severity Score

Related Resources (6)

https://github.com/valkey-io/valkey/pull/2101
https://security-tracker.debian.org/tracker/CVE-2025-49112
https://github.com/valkey-io/valkey/blob/daea05b1e26db29bfd1c033e27f9d519a2f8ccbb/src/networking.c#L886
https://github.com/redis/redis/blob/994bc96bb1744cb153392fc96bdba43eae56e17f/src/networking.c#L783
https://nvd.nist.gov/vuln/detail/CVE-2025-49112
https://www.mend.io/vulnerability-database/CVE-2025-49112

Severity Score

Weakness Type (CWE)

Integer Underflow (Wrap or Wraparound)

CWE-191

CVSS v3.1

Base Score:
Attack Vector (AV): ADJACENT_NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

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