The index_get_ids function in index.c in imapd in Cyrus IMAP Server before 2.4.11, when…
Priority LOW 24Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
The index_get_ids function in index.c in imapd in Cyrus IMAP Server before 2.4.11, when server-side threading is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted References header in an e-mail message.
Why it matters now
EPSS 0.02142 82nd percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 40
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cmu:cyrus_imap_server:*:*:*:*:*:*:*:* | up to 2.4.10 | Vulnerable | Panda3D |
| cpe:2.3:a:cmu:cyrus_imap_server:2.0.17:*:*:*:*:*:*:* | 2.0.17 | Vulnerable | Panda3D |
| cpe:2.3:a:cmu:cyrus_imap_server:2.1.16:*:*:*:*:*:*:* | 2.1.16 | Vulnerable | Panda3D |
| cpe:2.3:a:cmu:cyrus_imap_server:2.1.17:*:*:*:*:*:*:* | 2.1.17 | Vulnerable | Panda3D |
| cpe:2.3:a:cmu:cyrus_imap_server:2.1.18:*:*:*:*:*:*:* | 2.1.18 | Vulnerable | Panda3D |
| cpe:2.3:a:cmu:cyrus_imap_server:2.2.8:*:*:*:*:*:*:* | 2.2.8 | Vulnerable | Panda3D |
| cpe:2.3:a:cmu:cyrus_imap_server:2.2.9:*:*:*:*:*:*:* | 2.2.9 | Vulnerable | Panda3D |
| cpe:2.3:a:cmu:cyrus_imap_server:2.2.10:*:*:*:*:*:*:* | 2.2.10 | Vulnerable | Panda3D |
| cpe:2.3:a:cmu:cyrus_imap_server:2.2.11:*:*:*:*:*:*:* | 2.2.11 | Vulnerable | Panda3D |
| cpe:2.3:a:cmu:cyrus_imap_server:2.2.12:*:*:*:*:*:*:* | 2.2.12 | Vulnerable | Panda3D |
- cpe:2.3:a:cmu:cyrus_imap_server:*:*:*:*:*:*:*:* Versions up to 2.4.10 Vulnerable ·Panda3D
- cpe:2.3:a:cmu:cyrus_imap_server:2.0.17:*:*:*:*:*:*:* Versions 2.0.17 Vulnerable ·Panda3D
- cpe:2.3:a:cmu:cyrus_imap_server:2.1.16:*:*:*:*:*:*:* Versions 2.1.16 Vulnerable ·Panda3D
- cpe:2.3:a:cmu:cyrus_imap_server:2.1.17:*:*:*:*:*:*:* Versions 2.1.17 Vulnerable ·Panda3D
- cpe:2.3:a:cmu:cyrus_imap_server:2.1.18:*:*:*:*:*:*:* Versions 2.1.18 Vulnerable ·Panda3D
- cpe:2.3:a:cmu:cyrus_imap_server:2.2.8:*:*:*:*:*:*:* Versions 2.2.8 Vulnerable ·Panda3D
- cpe:2.3:a:cmu:cyrus_imap_server:2.2.9:*:*:*:*:*:*:* Versions 2.2.9 Vulnerable ·Panda3D
- cpe:2.3:a:cmu:cyrus_imap_server:2.2.10:*:*:*:*:*:*:* Versions 2.2.10 Vulnerable ·Panda3D
- cpe:2.3:a:cmu:cyrus_imap_server:2.2.11:*:*:*:*:*:*:* Versions 2.2.11 Vulnerable ·Panda3D
- cpe:2.3:a:cmu:cyrus_imap_server:2.2.12:*:*:*:*:*:*:* Versions 2.2.12 Vulnerable ·Panda3D
Show 30 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cmu:cyrus_imap_server:2.2.13:*:*:*:*:*:*:* | 2.2.13 | Vulnerable | Panda3D |
| cpe:2.3:a:cmu:cyrus_imap_server:2.2.13p1:*:*:*:*:*:*:* | 2.2.13p1 | Vulnerable | Panda3D |
| cpe:2.3:a:cmu:cyrus_imap_server:2.3.0:*:*:*:*:*:*:* | 2.3.0 | Vulnerable | Panda3D |
| cpe:2.3:a:cmu:cyrus_imap_server:2.3.1:*:*:*:*:*:*:* | 2.3.1 | Vulnerable | Panda3D |
| cpe:2.3:a:cmu:cyrus_imap_server:2.3.2:*:*:*:*:*:*:* | 2.3.2 | Vulnerable | Panda3D |
| cpe:2.3:a:cmu:cyrus_imap_server:2.3.3:*:*:*:*:*:*:* | 2.3.3 | Vulnerable | Panda3D |
| cpe:2.3:a:cmu:cyrus_imap_server:2.3.4:*:*:*:*:*:*:* | 2.3.4 | Vulnerable | Panda3D |
| cpe:2.3:a:cmu:cyrus_imap_server:2.3.5:*:*:*:*:*:*:* | 2.3.5 | Vulnerable | Panda3D |
| cpe:2.3:a:cmu:cyrus_imap_server:2.3.6:*:*:*:*:*:*:* | 2.3.6 | Vulnerable | Panda3D |
| cpe:2.3:a:cmu:cyrus_imap_server:2.3.7:*:*:*:*:*:*:* | 2.3.7 | Vulnerable | Panda3D |
| cpe:2.3:a:cmu:cyrus_imap_server:2.3.8:*:*:*:*:*:*:* | 2.3.8 | Vulnerable | Panda3D |
| cpe:2.3:a:cmu:cyrus_imap_server:2.3.9:*:*:*:*:*:*:* | 2.3.9 | Vulnerable | Panda3D |
| cpe:2.3:a:cmu:cyrus_imap_server:2.3.10:*:*:*:*:*:*:* | 2.3.10 | Vulnerable | Panda3D |
| cpe:2.3:a:cmu:cyrus_imap_server:2.3.11:*:*:*:*:*:*:* | 2.3.11 | Vulnerable | Panda3D |
| cpe:2.3:a:cmu:cyrus_imap_server:2.3.12:*:*:*:*:*:*:* | 2.3.12 | Vulnerable | Panda3D |
| cpe:2.3:a:cmu:cyrus_imap_server:2.3.13:*:*:*:*:*:*:* | 2.3.13 | Vulnerable | Panda3D |
| cpe:2.3:a:cmu:cyrus_imap_server:2.3.14:*:*:*:*:*:*:* | 2.3.14 | Vulnerable | Panda3D |
| cpe:2.3:a:cmu:cyrus_imap_server:2.3.15:*:*:*:*:*:*:* | 2.3.15 | Vulnerable | Panda3D |
| cpe:2.3:a:cmu:cyrus_imap_server:2.3.16:*:*:*:*:*:*:* | 2.3.16 | Vulnerable | Panda3D |
| cpe:2.3:a:cmu:cyrus_imap_server:2.3.17:*:*:*:*:*:*:* | 2.3.17 | Vulnerable | Panda3D |
| cpe:2.3:a:cmu:cyrus_imap_server:2.4.0:*:*:*:*:*:*:* | 2.4.0 | Vulnerable | Panda3D |
| cpe:2.3:a:cmu:cyrus_imap_server:2.4.1:*:*:*:*:*:*:* | 2.4.1 | Vulnerable | Panda3D |
| cpe:2.3:a:cmu:cyrus_imap_server:2.4.2:*:*:*:*:*:*:* | 2.4.2 | Vulnerable | Panda3D |
| cpe:2.3:a:cmu:cyrus_imap_server:2.4.3:*:*:*:*:*:*:* | 2.4.3 | Vulnerable | Panda3D |
| cpe:2.3:a:cmu:cyrus_imap_server:2.4.4:*:*:*:*:*:*:* | 2.4.4 | Vulnerable | Panda3D |
| cpe:2.3:a:cmu:cyrus_imap_server:2.4.5:*:*:*:*:*:*:* | 2.4.5 | Vulnerable | Panda3D |
| cpe:2.3:a:cmu:cyrus_imap_server:2.4.6:*:*:*:*:*:*:* | 2.4.6 | Vulnerable | Panda3D |
| cpe:2.3:a:cmu:cyrus_imap_server:2.4.7:*:*:*:*:*:*:* | 2.4.7 | Vulnerable | Panda3D |
| cpe:2.3:a:cmu:cyrus_imap_server:2.4.8:*:*:*:*:*:*:* | 2.4.8 | Vulnerable | Panda3D |
| cpe:2.3:a:cmu:cyrus_imap_server:2.4.9:*:*:*:*:*:*:* | 2.4.9 | Vulnerable | Panda3D |
- cpe:2.3:a:cmu:cyrus_imap_server:2.2.13:*:*:*:*:*:*:* Versions 2.2.13 Vulnerable ·Panda3D
- cpe:2.3:a:cmu:cyrus_imap_server:2.2.13p1:*:*:*:*:*:*:* Versions 2.2.13p1 Vulnerable ·Panda3D
- cpe:2.3:a:cmu:cyrus_imap_server:2.3.0:*:*:*:*:*:*:* Versions 2.3.0 Vulnerable ·Panda3D
- cpe:2.3:a:cmu:cyrus_imap_server:2.3.1:*:*:*:*:*:*:* Versions 2.3.1 Vulnerable ·Panda3D
- cpe:2.3:a:cmu:cyrus_imap_server:2.3.2:*:*:*:*:*:*:* Versions 2.3.2 Vulnerable ·Panda3D
- cpe:2.3:a:cmu:cyrus_imap_server:2.3.3:*:*:*:*:*:*:* Versions 2.3.3 Vulnerable ·Panda3D
- cpe:2.3:a:cmu:cyrus_imap_server:2.3.4:*:*:*:*:*:*:* Versions 2.3.4 Vulnerable ·Panda3D
- cpe:2.3:a:cmu:cyrus_imap_server:2.3.5:*:*:*:*:*:*:* Versions 2.3.5 Vulnerable ·Panda3D
- cpe:2.3:a:cmu:cyrus_imap_server:2.3.6:*:*:*:*:*:*:* Versions 2.3.6 Vulnerable ·Panda3D
- cpe:2.3:a:cmu:cyrus_imap_server:2.3.7:*:*:*:*:*:*:* Versions 2.3.7 Vulnerable ·Panda3D
- cpe:2.3:a:cmu:cyrus_imap_server:2.3.8:*:*:*:*:*:*:* Versions 2.3.8 Vulnerable ·Panda3D
- cpe:2.3:a:cmu:cyrus_imap_server:2.3.9:*:*:*:*:*:*:* Versions 2.3.9 Vulnerable ·Panda3D
- cpe:2.3:a:cmu:cyrus_imap_server:2.3.10:*:*:*:*:*:*:* Versions 2.3.10 Vulnerable ·Panda3D
- cpe:2.3:a:cmu:cyrus_imap_server:2.3.11:*:*:*:*:*:*:* Versions 2.3.11 Vulnerable ·Panda3D
- cpe:2.3:a:cmu:cyrus_imap_server:2.3.12:*:*:*:*:*:*:* Versions 2.3.12 Vulnerable ·Panda3D
- cpe:2.3:a:cmu:cyrus_imap_server:2.3.13:*:*:*:*:*:*:* Versions 2.3.13 Vulnerable ·Panda3D
- cpe:2.3:a:cmu:cyrus_imap_server:2.3.14:*:*:*:*:*:*:* Versions 2.3.14 Vulnerable ·Panda3D
- cpe:2.3:a:cmu:cyrus_imap_server:2.3.15:*:*:*:*:*:*:* Versions 2.3.15 Vulnerable ·Panda3D
- cpe:2.3:a:cmu:cyrus_imap_server:2.3.16:*:*:*:*:*:*:* Versions 2.3.16 Vulnerable ·Panda3D
- cpe:2.3:a:cmu:cyrus_imap_server:2.3.17:*:*:*:*:*:*:* Versions 2.3.17 Vulnerable ·Panda3D
- cpe:2.3:a:cmu:cyrus_imap_server:2.4.0:*:*:*:*:*:*:* Versions 2.4.0 Vulnerable ·Panda3D
- cpe:2.3:a:cmu:cyrus_imap_server:2.4.1:*:*:*:*:*:*:* Versions 2.4.1 Vulnerable ·Panda3D
- cpe:2.3:a:cmu:cyrus_imap_server:2.4.2:*:*:*:*:*:*:* Versions 2.4.2 Vulnerable ·Panda3D
- cpe:2.3:a:cmu:cyrus_imap_server:2.4.3:*:*:*:*:*:*:* Versions 2.4.3 Vulnerable ·Panda3D
- cpe:2.3:a:cmu:cyrus_imap_server:2.4.4:*:*:*:*:*:*:* Versions 2.4.4 Vulnerable ·Panda3D
- cpe:2.3:a:cmu:cyrus_imap_server:2.4.5:*:*:*:*:*:*:* Versions 2.4.5 Vulnerable ·Panda3D
- cpe:2.3:a:cmu:cyrus_imap_server:2.4.6:*:*:*:*:*:*:* Versions 2.4.6 Vulnerable ·Panda3D
- cpe:2.3:a:cmu:cyrus_imap_server:2.4.7:*:*:*:*:*:*:* Versions 2.4.7 Vulnerable ·Panda3D
- cpe:2.3:a:cmu:cyrus_imap_server:2.4.8:*:*:*:*:*:*:* Versions 2.4.8 Vulnerable ·Panda3D
- cpe:2.3:a:cmu:cyrus_imap_server:2.4.9:*:*:*:*:*:*:* Versions 2.4.9 Vulnerable ·Panda3D
Remediation
Red Hat 1 advisory
- RHSA-2011:1508 Released 2011-12-01 · Red Hat rating Moderatecyrus-imapd security update
- RHEL Desktop Workstation (v. 5 client) cyrus-imapd-2.3.7-12.el5_7.2, cyrus-imapd-2.3.7-12.el5_7.2.i386, cyrus-imapd-devel-2.3.7-12.el5_7.2 +5
- Red Hat Enterprise Linux (v. 5 server) cyrus-imapd-2.3.7-12.el5_7.2, cyrus-imapd-2.3.7-12.el5_7.2.i386, cyrus-imapd-2.3.7-12.el5_7.2.ia64 +13
- Red Hat Enterprise Linux AS version 4 cyrus-imapd-2.2.12-17.el4, cyrus-imapd-2.2.12-17.el4.i386, cyrus-imapd-2.2.12-17.el4.ia64 +21
- Red Hat Enterprise Linux Desktop version 4 cyrus-imapd-2.2.12-17.el4, cyrus-imapd-2.2.12-17.el4.i386, cyrus-imapd-devel-2.2.12-17.el4 +9
- Red Hat Enterprise Linux ES version 4 cyrus-imapd-2.2.12-17.el4, cyrus-imapd-2.2.12-17.el4.i386, cyrus-imapd-2.2.12-17.el4.ia64 +15
- Red Hat Enterprise Linux Server (v. 6) cyrus-imapd-2.3.16-6.el6_1.4, cyrus-imapd-utils-2.3.16-6.el6_1.4
- Red Hat Enterprise Linux Server Optional (v. 6) cyrus-imapd-2.3.16-6.el6_1.4, cyrus-imapd-devel-2.3.16-6.el6_1.4, cyrus-imapd-devel-2.3.16-6.el6_1.4.ppc
- Red Hat Enterprise Linux WS version 4 cyrus-imapd-2.2.12-17.el4, cyrus-imapd-2.2.12-17.el4.i386, cyrus-imapd-2.2.12-17.el4.ia64 +15
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| RHEL Desktop Workstation (v. 5 client) | Fixed | RHSA-2011:1508 |
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2011:1508 |
| Red Hat Enterprise Linux AS version 4 | Fixed | RHSA-2011:1508 |
| Red Hat Enterprise Linux Desktop version 4 | Fixed | RHSA-2011:1508 |
| Red Hat Enterprise Linux ES version 4 | Fixed | RHSA-2011:1508 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2011:1508 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2011:1508 |
| Red Hat Enterprise Linux WS version 4 | Fixed | RHSA-2011:1508 |
Timeline
- 2026-10-02 Threatist record created from CVE-2011-3481
- 2026-10-03 Alias added: GHSA-6h43-3p3w-2945
References
More Panda3D Cyrus Imap Server vulnerabilities
- TI-2011-02838 Stack-based buffer overflow in the split_wildmats function in nntpd.c in nntpd in Cyrus… CVSS 2.0HIGH 7.5
- TI-2011-01698 The STARTTLS implementation in Cyrus IMAP Server before 2.4.7 does not properly restrict… CVSS 2.0MEDIUM 5.1
- TI-2009-02515 Buffer overflow in the SIEVE script component (sieve/script.c), as used in cyrus-imapd in… CVSS 2.0MEDIUM 4.4
Sources
- CVE-2011-3481 · CVE Program
- CVE-2011-3481 · NVD
- FIRST EPSS
- GHSA-6h43-3p3w-2945 · GitHub Advisory Database · CC BY 4.0
- CVE-2011-3481 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences