Bug 2461063 (CVE-2026-41989) - CVE-2026-41989 Libgcrypt: Libgcrypt: Denial of Service and buffer overflow via crafted ECDH ciphertext
Summary: CVE-2026-41989 Libgcrypt: Libgcrypt: Denial of Service and buffer overflow vi...
Keywords:
Status: NEW
Alias: CVE-2026-41989
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2461780 2461781 2461782
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-04-23 05:01 UTC by OSIDB Bzimport
Modified: 2026-08-17 18:05 UTC (History)
13 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2026:50537 0 None None None 2026-08-05 00:28:47 UTC
Red Hat Product Errata RHBA-2026:51074 0 None None None 2026-08-06 12:45:18 UTC
Red Hat Product Errata RHBA-2026:51092 0 None None None 2026-08-06 14:10:13 UTC
Red Hat Product Errata RHBA-2026:51205 0 None None None 2026-08-06 20:01:53 UTC
Red Hat Product Errata RHBA-2026:52842 0 None None None 2026-08-10 13:20:58 UTC
Red Hat Product Errata RHBA-2026:53464 0 None None None 2026-08-11 13:37:29 UTC
Red Hat Product Errata RHBA-2026:54523 0 None None None 2026-08-13 10:47:28 UTC
Red Hat Product Errata RHBA-2026:54535 0 None None None 2026-08-13 11:42:27 UTC
Red Hat Product Errata RHBA-2026:55773 0 None None None 2026-08-17 18:05:43 UTC
Red Hat Product Errata RHSA-2026:47117 0 None None None 2026-07-29 01:18:10 UTC
Red Hat Product Errata RHSA-2026:50144 0 None None None 2026-08-04 18:58:55 UTC
Red Hat Product Errata RHSA-2026:50147 0 None None None 2026-08-04 18:59:01 UTC
Red Hat Product Errata RHSA-2026:52950 0 None None None 2026-08-10 18:23:33 UTC
Red Hat Product Errata RHSA-2026:52951 0 None None None 2026-08-10 17:45:23 UTC
Red Hat Product Errata RHSA-2026:52952 0 None None None 2026-08-10 18:11:23 UTC
Red Hat Product Errata RHSA-2026:52953 0 None None None 2026-08-10 18:23:26 UTC

Description OSIDB Bzimport 2026-04-23 05:01:19 UTC 
Libgcrypt before 1.12.2 sometimes allows a heap-based buffer overflow and denial of service via crafted ECDH ciphertext to gcry_pk_decrypt.
Comment 3 errata-xmlrpc 2026-07-29 01:18:08 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:47117 https://access.redhat.com/errata/RHSA-2026:47117
Comment 4 errata-xmlrpc 2026-08-04 18:58:53 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:50144 https://access.redhat.com/errata/RHSA-2026:50144
Comment 5 errata-xmlrpc 2026-08-04 18:58:59 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:50147 https://access.redhat.com/errata/RHSA-2026:50147
Comment 6 errata-xmlrpc 2026-08-10 17:45:21 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:52951 https://access.redhat.com/errata/RHSA-2026:52951
Comment 7 errata-xmlrpc 2026-08-10 18:11:21 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions

Via RHSA-2026:52952 https://access.redhat.com/errata/RHSA-2026:52952
Comment 8 errata-xmlrpc 2026-08-10 18:23:25 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:52953 https://access.redhat.com/errata/RHSA-2026:52953
Comment 9 errata-xmlrpc 2026-08-10 18:23:31 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:52950 https://access.redhat.com/errata/RHSA-2026:52950
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