CVE-2021-33294

In elfutils 0.183, an infinite loop was found in the function handle_symtab in readelf.c .Which allows attackers to cause a denial of service (infinite loop) via crafted file.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://sourceware.org/bugzilla/show_bug.cgi?id=27501	Exploit Issue Tracking
https://sourceware.org/pipermail/elfutils-devel/2021q1/003607.html	Mailing List Patch
https://sourceware.org/bugzilla/show_bug.cgi?id=27501	Exploit Issue Tracking
https://sourceware.org/pipermail/elfutils-devel/2021q1/003607.html	Mailing List Patch
https://cert-portal.siemens.com/productcert/html/ssa-398330.html

Configurations

Configuration 1 (hide)

cpe:2.3:a:elfutils_project:elfutils:0.183:*:*:*:*:*:*:*

History

14 Oct 2026, 12:17

Type	Values Removed	Values Added
References		() https://cert-portal.siemens.com/productcert/html/ssa-398330.html -

Information

Published : 2023-07-18 14:15

Updated : 2026-10-14 12:17

NVD link : CVE-2021-33294

Mitre link : CVE-2021-33294

CVE.ORG link : CVE-2021-33294

JSON object : View

Products Affected

elfutils_project

elfutils

CWE

CWE-835

Loop with Unreachable Exit Condition ('Infinite Loop')

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