Race condition in the safe_open function in the Mutt mail client 1.5.12 and earlier, when creating temporary files in an NFS filesystem, allows local users to overwrite arbitrary files due to limitations of the use of the O_EXCL flag on NFS filesystems.
Conclusion & alert: CVE-2006-5297 is rated Low Risk (14.1/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.34%). Mandatory action: Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.08% | 0.34% | +0.27% |
| 2 | 2025-03-17 | 0.04% | 0.08% | +0.03% |
| 3 | 2023-03-07 | — | 0.04% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 1.2 | 2.0 | LOW |
|
1.9 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2006-5297: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. | https://security.alpinelinux.org/vuln/CVE-2006-5297 |
debian
|
low | CVE-2006-5297 low priority: Debian including 1 source packages (mutt), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2006-5297 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2006-5297 |
ubuntu
|
medium | CVE-2006-5297 medium priority: Ubuntu including 1 source packages (mutt), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): released 3, needs-triage 1. | https://ubuntu.com/security/CVE-2006-5297 |
: Race Condition occurs when creating temporary files in an NFS filesystem.
Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=211085 The Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw. More information regarding issue severity can be found here: http://www.redhat.com/security/updates/classification/ Red Hat Enterprise Linux 5 is not vulnerable to this issue as it contains a backported patch. The risks associated with fixing this bug are greater than the low severity security risk. We therefore currently have no plans to fix this flaw in Red Hat Enterprise Linux 2.1 which is in maintenance mode.
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| mutt | mutt | <= 1.5.12 | cpe:2.3:a:mutt:mutt:*:*:*:*:*:*:*:* |
| mutt | mutt | 0.95.6 | cpe:2.3:a:mutt:mutt:0.95.6:*:*:*:*:*:*:* |
| mutt | mutt | 1.2.1 | cpe:2.3:a:mutt:mutt:1.2.1:*:*:*:*:*:*:* |
| mutt | mutt | 1.2.5 | cpe:2.3:a:mutt:mutt:1.2.5:*:*:*:*:*:*:* |
| mutt | mutt | 1.2.5.1 | cpe:2.3:a:mutt:mutt:1.2.5.1:*:*:*:*:*:*:* |
| mutt | mutt | 1.2.5.4 | cpe:2.3:a:mutt:mutt:1.2.5.4:*:*:*:*:*:*:* |
| mutt | mutt | 1.2.5.5 | cpe:2.3:a:mutt:mutt:1.2.5.5:*:*:*:*:*:*:* |
| mutt | mutt | 1.2.5.12 | cpe:2.3:a:mutt:mutt:1.2.5.12:*:*:*:*:*:*:* |
| mutt | mutt | 1.2.5.12_ol | cpe:2.3:a:mutt:mutt:1.2.5.12_ol:*:*:*:*:*:*:* |
| mutt | mutt | 1.3.12 | cpe:2.3:a:mutt:mutt:1.3.12:*:*:*:*:*:*:* |
| mutt | mutt | 1.3.12.1 | cpe:2.3:a:mutt:mutt:1.3.12.1:*:*:*:*:*:*:* |
| mutt | mutt | 1.3.16 | cpe:2.3:a:mutt:mutt:1.3.16:*:*:*:*:*:*:* |
| mutt | mutt | 1.3.17 | cpe:2.3:a:mutt:mutt:1.3.17:*:*:*:*:*:*:* |
| mutt | mutt | 1.3.22 | cpe:2.3:a:mutt:mutt:1.3.22:*:*:*:*:*:*:* |
| mutt | mutt | 1.3.24 | cpe:2.3:a:mutt:mutt:1.3.24:*:*:*:*:*:*:* |
| mutt | mutt | 1.3.25 | cpe:2.3:a:mutt:mutt:1.3.25:*:*:*:*:*:*:* |
| mutt | mutt | 1.3.27 | cpe:2.3:a:mutt:mutt:1.3.27:*:*:*:*:*:*:* |
| mutt | mutt | 1.3.28 | cpe:2.3:a:mutt:mutt:1.3.28:*:*:*:*:*:*:* |
| mutt | mutt | 1.4.0 | cpe:2.3:a:mutt:mutt:1.4.0:*:*:*:*:*:*:* |
| mutt | mutt | 1.4.1 | cpe:2.3:a:mutt:mutt:1.4.1:*:*:*:*:*:*:* |
| mutt | mutt | 1.4.2 | cpe:2.3:a:mutt:mutt:1.4.2:*:*:*:*:*:*:* |
| mutt | mutt | 1.4.2.1 | cpe:2.3:a:mutt:mutt:1.4.2.1:*:*:*:*:*:*:* |
| mutt | mutt | 1.5.3 | cpe:2.3:a:mutt:mutt:1.5.3:*:*:*:*:*:*:* |
| mutt | mutt | 1.5.10 | cpe:2.3:a:mutt:mutt:1.5.10:*:*:*:*:*:*:* |