Upstream information

CVE-2026-61908 at MITRE

Description

An issue was discovered in Cyrus IMAP before 3.12.4. A JMAP email-header blob ID can reference an out-of-bounds index. An authenticated user could attempt to download a crafted JMAP blob ID of the form H<emailid>-<index>, which could read past the end of the internal blob_headers array during download, exposing adjacent heap memory.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v3 Scores
CVSS detail CNA (MITRE) National Vulnerability Database
Base Score 3.1 6.5
Vector CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack Vector Network Network
Attack Complexity High Low
Privileges Required Low Low
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact Low High
Integrity Impact None None
Availability Impact None None
CVSSv3 Version 3.1 3.1
SUSE Bugzilla entry: 1279975 [NEW]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
openSUSE Leap 16.0
  • cyradm >= 3.8.8-bp160.1.1
  • cyrus-imapd >= 3.8.8-bp160.1.1
  • cyrus-imapd-devel >= 3.8.8-bp160.1.1
  • cyrus-imapd-snmp >= 3.8.8-bp160.1.1
  • cyrus-imapd-snmp-mibs >= 3.8.8-bp160.1.1
  • cyrus-imapd-utils >= 3.8.8-bp160.1.1
  • libcyrus0 >= 3.8.8-bp160.1.1
  • perl-Cyrus-Annotator >= 3.8.8-bp160.1.1
  • perl-Cyrus-IMAP >= 3.8.8-bp160.1.1
  • perl-Cyrus-SIEVE-managesieve >= 3.8.8-bp160.1.1
Patchnames:
openSUSE-Leap-16.0-packagehub-619


SUSE Timeline for this CVE

CVE page created: Thu Sep 10 17:49:33 2026
CVE page last modified: Thu Sep 24 16:40:35 2026