Vulnerability · Published Sep 24, 2026 · Assigned by mitre

CVE-2026-88382

High 7.5

In plain English

A high-severity resource allocation without limits in the hiredis package (Debian). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.4%top 66.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

hiredis commit 29ea279 (post-v1.5.0) contains an uncontrolled memory allocation vulnerability in its RESP aggregate parser.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12hiredisno fix listedDEBIAN-CVE-2026-88382
Debian:13hiredisno fix listedDEBIAN-CVE-2026-88382
Debian:14hiredisno fix listedDEBIAN-CVE-2026-88382
Ubuntu:22.04:LTShiredisno fix listedUBUNTU-CVE-2026-88382
Ubuntu:24.04:LTShiredisno fix listedUBUNTU-CVE-2026-88382
Ubuntu:26.04:LTShiredisno fix listedUBUNTU-CVE-2026-88382
Ubuntu:26.10hiredisno fix listedUBUNTU-CVE-2026-88382

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

Weakness: CWE-770, CWE-789 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References