RHSA-2019:2508

Vulnerability from csaf_redhat - Published: 2019-08-15 16:03 - Updated: 2025-11-21 18:09
Summary
Red Hat Security Advisory: redis security update
Severity
Important
Notes
Topic: An update for redis is now available for Red Hat OpenStack Platform 9.0 (Mitaka). Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details: Redis is an advanced key-value store. It is often referred to as a data-structure server since keys can contain strings, hashes, lists, sets, and sorted sets. For performance, Redis works with an in-memory data set. You can persist it either by dumping the data set to disk every once in a while, or by appending each command to a log. Security Fix(es): * redis: Heap buffer overflow in HyperLogLog triggered by malicious client (CVE-2019-10192) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in the References section.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
CVE-2019-10192

A heap buffer overflow vulnerability was found in the Redis HyperLogLog data structure. By carefully corrupting a HyperLogLog using the SETRANGE command, an attacker could trick Redis interpretation of dense HLL encoding into writing up to 3 bytes beyond the end of a heap-allocated buffer.

7.2 (High)
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE-122 - Heap-based Buffer Overflow
Vendor Fix For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 https://access.redhat.com/errata/RHSA-2019:2508
References
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      "title": "redis: Heap buffer overflow in HyperLogLog triggered by malicious client"
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}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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