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CVE-2021-32762

Status Candidate

Overview

Redis is an open source, in-memory database that persists on disk. The redis-cli command line tool and redis-sentinel service may be vulnerable to integer overflow when parsing specially crafted large multi-bulk network replies. This is a result of a vulnerability in the underlying hiredis library which does not perform an overflow check before calling the calloc() heap allocation function. This issue only impacts systems with heap allocators that do not perform their own overflow checks. Most modern systems do and are therefore not likely to be affected. Furthermore, by default redis-sentinel uses the jemalloc allocator which is also not vulnerable. The problem is fixed in Redis versions 6.2.6, 6.0.16 and 5.0.14.

Related Files

Gentoo Linux Security Advisory 202209-17
Posted Sep 30, 2022
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202209-17 - Multiple vulnerabilities have been found in Redis, the worst of which could result in arbitrary code execution. Versions less than 7.0.5 are affected.

tags | advisory, arbitrary, vulnerability, code execution
systems | linux, gentoo
advisories | CVE-2021-32626, CVE-2021-32627, CVE-2021-32628, CVE-2021-32672, CVE-2021-32675, CVE-2021-32687, CVE-2021-32761, CVE-2021-32762, CVE-2021-41099, CVE-2022-24735, CVE-2022-24736, CVE-2022-31144, CVE-2022-33105, CVE-2022-35951
SHA-256 | d9b1e22f9279ea317e0d95ba79680177c3910a25c6779c4d6a4247ff3fd8ac42
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Debian Security Advisory 5001-1
Posted Nov 28, 2021
Authored by Debian | Site debian.org

Debian Linux Security Advisory 5001-1 - Multiple vulnerabilities were discovered in Redis, a persistent key-value database, which could result in denial of service or the execution of arbitrary code.

tags | advisory, denial of service, arbitrary, vulnerability
systems | linux, debian
advisories | CVE-2021-32626, CVE-2021-32627, CVE-2021-32628, CVE-2021-32672, CVE-2021-32675, CVE-2021-32687, CVE-2021-32761, CVE-2021-32762, CVE-2021-41099
SHA-256 | 406dbfdfd83a1dea66a2255a9f05f19d888b79c7f9fc33daff18046788d1d679
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