Bug 2266740 (CVE-2024-26461)

Summary:	CVE-2024-26461 krb5: Memory leak at /krb5/src/lib/gssapi/krb5/k5sealv3.c
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	aarif, abokovoy, agarcial, ahrabovs, aoconnor, aprice, asegurap, aucunnin, bdettelb, caswilli, crizzo, dfreiber, dkuc, doconnor, drow, fjansen, hkataria, jburrell, jdobes, jmitchel, jrische, jsamir, jsherril, jtanner, jvasik, kaycoth, kholdawa, kshier, lcouzens, luizcosta, mpierce, mskarbek, mstoklus, nweather, oezr, omaciel, orabin, psegedy, rblanco, sidakwo, stcannon, sthirugn, teagle, vkrizan, vkumar, vmugicag, xiaoxwan, yguenane, zzhou
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	---
Doc Text:	A memory leak flaw was found in krb5 in /krb5/src/lib/gssapi/krb5/k5sealv3.c. This issue can lead to a denial of service through memory exhaustion.	Story Points:	---
Clone Of:		Environment:
Last Closed:		Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2266741
Bug Blocks:	2266745

Description Pedro Sampaio 2024-02-28 21:14:29 UTC

Kerberos 5 (aka krb5) 1.21.2 contains a memory leak vulnerability in /krb5/src/lib/gssapi/krb5/k5sealv3.c. 

References:

https://github.com/LuMingYinDetect/krb5_defects/blob/main/krb5_detect_2.md

Comment 1 Pedro Sampaio 2024-02-28 21:14:51 UTC

Created krb5 tracking bugs for this issue:

Affects: fedora-all [bug 2266741]

Comment 3 errata-xmlrpc 2024-05-22 11:41:01 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2024:3268 https://access.redhat.com/errata/RHSA-2024:3268

Comment 5 errata-xmlrpc 2024-11-12 09:32:13 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2024:9331 https://access.redhat.com/errata/RHSA-2024:9331