🛡️ CVE-2024-23449 — elasticsearch

🟡 CVSS 5.0 — Medium ✅ No Known Exploit CWE-248 OSV

5.0

CVSS Score

0 Low4 Medium7 High9 Critical10

Description

Elasticsearch Uncaught Exception leading to crash

An uncaught exception in Elasticsearch >= 8.4.0 and < 8.11.1 occurs when an encrypted PDF is passed to an attachment processor through the REST API. The Elasticsearch ingest node that attempts to parse the PDF file will crash. This does not happen with password-protected PDF files or with unencrypted PDF files.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability low.

Weakness class

CVE-2024-23449 is classified as CWE-248: Uncaught Exception. An exception is thrown from a function, but it is not caught.

Affected software

CVE-2024-23449 is recorded against 2 packages.

elasticsearch
org.elasticsearch:elasticsearch (from 8.4.0 up to 8.11.1)

Timeline and source

Published on 14 May 2024 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

discuss.elastic.co (Web)
nvd.nist.gov (Web)

CVE-2024-23449 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Ubuntu

Details

Severity MEDIUM

CVSS Score 5.0

CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CWE CWE-248

Public Exploit ✅ No

Source OSV

Published 2024-05-14

Updated 2026-08-12

Modified 2026-06-17

Fix URL N/A

Affected Packages

Software	From version	Fixed in
elasticsearch	—	—
org.elasticsearch:elasticsearch	8.4.0	8.11.1

References

WEB https://discuss.elastic.co/t/elasticsearch-8-11-1-security-update-esa-2024-05/356458

WEB https://nvd.nist.gov/vuln/detail/CVE-2024-23449

🔗 NVD 🔗 Mitre

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