CVE-2026-85977

A flaw was found in libtirpc. A remote attacker can exploit this vulnerability by sending specially crafted PMAPPROC_DUMP replies to a client application that uses the pmap_getmaps() function against an attacker-controlled host. This unbounded decoding can lead to excessive memory and CPU allocation, causing the client process to experience a Denial of Service (DoS) due to resource exhaustion.

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.6 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://access.redhat.com/errata/RHSA-2026:80360
https://access.redhat.com/security/cve/CVE-2026-85977
https://bugzilla.redhat.com/show_bug.cgi?id=2478979
https://bugzilla.redhat.com/show_bug.cgi?id=2478979

Configurations

No configuration.

History

19 Oct 2026, 15:17

Type	Values Removed	Values Added
References	~~() https://bugzilla.redhat.com/show_bug.cgi?id=2478979 -~~	() https://bugzilla.redhat.com/show_bug.cgi?id=2478979 -

17 Oct 2026, 21:16

Type	Values Removed	Values Added
References		() https://access.redhat.com/errata/RHSA-2026:80360 -

16 Oct 2026, 19:23

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-16 19:17

Updated : 2026-10-19 15:17

NVD link : CVE-2026-85977

Mitre link : CVE-2026-85977

CVE.ORG link : CVE-2026-85977

JSON object : View

Products Affected

No product.

CWE

CWE-1050

Excessive Platform Resource Consumption within a Loop

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