CVE-2010-1167

fetchmail 4.6.3 through 6.3.16, when debug mode is enabled, does not properly handle invalid characters in a multi-character locale, which allows remote attackers to cause a denial of service (memory consumption and application crash) via a crafted (1) message header or (2) POP3 UIDL list.

Published: 2010-05-07 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2010-1167 is rated Moderate Risk (46.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.21%). EPSS rose +1.43% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2010-1167

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 0.77% 2.21% +1.43%
2 2025-07-13 0.71% 0.77% +0.07%
3 2025-03-30 — 0.71% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2010-1167

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2010-1167

OS Trackers for CVE-2010-1167

vendor priority summary link
debian low CVE-2010-1167 low priority: Debian including 1 source packages (fetchmail), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2010-1167
redhat low — https://access.redhat.com/security/cve/CVE-2010-1167
suse medium CVE-2010-1167 severity moderate: SUSE including 11 source package names (fetchmail-6.3.26-12.3, fetchmail-6.3.26-13.4, …), 32 product×package rows across 22 product lines (SUSE Linux Enterprise Desktop 12, SUSE Linux Enterprise Desktop 12 SP1, … (22 product lines)): Fixed 32. https://www.suse.com/security/cve/CVE-2010-1167/
ubuntu low CVE-2010-1167 low priority: Ubuntu including 1 source packages (fetchmail), 16 status rows across 16 suites (dapper, hardy, jaunty, karmic, lucid, maverick, natty, oneiric, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid): not-affected 9, ignored 5, DNE 1, released 1. https://ubuntu.com/security/CVE-2010-1167

Vendor comments (NVD) for CVE-2010-1167

  • Red Hat (2010-05-10T00:00:00)

    Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2010-1167 The Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw.

Affected software / configurations for CVE-2010-1167

Vendor Product Version Raw CPE
fetchmail fetchmail <= 6.3.9 cpe:2.3:a:fetchmail:fetchmail:*:rc2:*:*:*:*:*:*
fetchmail fetchmail 4.6.3 cpe:2.3:a:fetchmail:fetchmail:4.6.3:*:*:*:*:*:*:*
fetchmail fetchmail 4.6.4 cpe:2.3:a:fetchmail:fetchmail:4.6.4:*:*:*:*:*:*:*
fetchmail fetchmail 4.6.5 cpe:2.3:a:fetchmail:fetchmail:4.6.5:*:*:*:*:*:*:*
fetchmail fetchmail 4.6.6 cpe:2.3:a:fetchmail:fetchmail:4.6.6:*:*:*:*:*:*:*
fetchmail fetchmail 4.6.7 cpe:2.3:a:fetchmail:fetchmail:4.6.7:*:*:*:*:*:*:*
fetchmail fetchmail 4.6.8 cpe:2.3:a:fetchmail:fetchmail:4.6.8:*:*:*:*:*:*:*
fetchmail fetchmail 4.6.9 cpe:2.3:a:fetchmail:fetchmail:4.6.9:*:*:*:*:*:*:*
fetchmail fetchmail 4.7.0 cpe:2.3:a:fetchmail:fetchmail:4.7.0:*:*:*:*:*:*:*
fetchmail fetchmail 4.7.1 cpe:2.3:a:fetchmail:fetchmail:4.7.1:*:*:*:*:*:*:*
fetchmail fetchmail 4.7.2 cpe:2.3:a:fetchmail:fetchmail:4.7.2:*:*:*:*:*:*:*
fetchmail fetchmail 4.7.3 cpe:2.3:a:fetchmail:fetchmail:4.7.3:*:*:*:*:*:*:*
fetchmail fetchmail 4.7.4 cpe:2.3:a:fetchmail:fetchmail:4.7.4:*:*:*:*:*:*:*
fetchmail fetchmail 4.7.5 cpe:2.3:a:fetchmail:fetchmail:4.7.5:*:*:*:*:*:*:*
fetchmail fetchmail 4.7.6 cpe:2.3:a:fetchmail:fetchmail:4.7.6:*:*:*:*:*:*:*
fetchmail fetchmail 4.7.7 cpe:2.3:a:fetchmail:fetchmail:4.7.7:*:*:*:*:*:*:*
fetchmail fetchmail 5.0.0 cpe:2.3:a:fetchmail:fetchmail:5.0.0:*:*:*:*:*:*:*
fetchmail fetchmail 5.0.1 cpe:2.3:a:fetchmail:fetchmail:5.0.1:*:*:*:*:*:*:*
fetchmail fetchmail 5.0.2 cpe:2.3:a:fetchmail:fetchmail:5.0.2:*:*:*:*:*:*:*
fetchmail fetchmail 5.0.3 cpe:2.3:a:fetchmail:fetchmail:5.0.3:*:*:*:*:*:*:*
fetchmail fetchmail 5.0.4 cpe:2.3:a:fetchmail:fetchmail:5.0.4:*:*:*:*:*:*:*
fetchmail fetchmail 5.0.5 cpe:2.3:a:fetchmail:fetchmail:5.0.5:*:*:*:*:*:*:*
fetchmail fetchmail 5.0.6 cpe:2.3:a:fetchmail:fetchmail:5.0.6:*:*:*:*:*:*:*
fetchmail fetchmail 5.0.7 cpe:2.3:a:fetchmail:fetchmail:5.0.7:*:*:*:*:*:*:*
fetchmail fetchmail 5.0.8 cpe:2.3:a:fetchmail:fetchmail:5.0.8:*:*:*:*:*:*:*
fetchmail fetchmail 5.1.0 cpe:2.3:a:fetchmail:fetchmail:5.1.0:*:*:*:*:*:*:*
fetchmail fetchmail 5.1.4 cpe:2.3:a:fetchmail:fetchmail:5.1.4:*:*:*:*:*:*:*
fetchmail fetchmail 5.2.0 cpe:2.3:a:fetchmail:fetchmail:5.2.0:*:*:*:*:*:*:*
fetchmail fetchmail 5.2.1 cpe:2.3:a:fetchmail:fetchmail:5.2.1:*:*:*:*:*:*:*
fetchmail fetchmail 5.2.3 cpe:2.3:a:fetchmail:fetchmail:5.2.3:*:*:*:*:*:*:*
fetchmail fetchmail 5.2.4 cpe:2.3:a:fetchmail:fetchmail:5.2.4:*:*:*:*:*:*:*
fetchmail fetchmail 5.2.7 cpe:2.3:a:fetchmail:fetchmail:5.2.7:*:*:*:*:*:*:*
fetchmail fetchmail 5.2.8 cpe:2.3:a:fetchmail:fetchmail:5.2.8:*:*:*:*:*:*:*
fetchmail fetchmail 5.3.0 cpe:2.3:a:fetchmail:fetchmail:5.3.0:*:*:*:*:*:*:*
fetchmail fetchmail 5.3.1 cpe:2.3:a:fetchmail:fetchmail:5.3.1:*:*:*:*:*:*:*
fetchmail fetchmail 5.3.3 cpe:2.3:a:fetchmail:fetchmail:5.3.3:*:*:*:*:*:*:*
fetchmail fetchmail 5.3.8 cpe:2.3:a:fetchmail:fetchmail:5.3.8:*:*:*:*:*:*:*
fetchmail fetchmail 5.4.0 cpe:2.3:a:fetchmail:fetchmail:5.4.0:*:*:*:*:*:*:*
fetchmail fetchmail 5.4.3 cpe:2.3:a:fetchmail:fetchmail:5.4.3:*:*:*:*:*:*:*
fetchmail fetchmail 5.4.4 cpe:2.3:a:fetchmail:fetchmail:5.4.4:*:*:*:*:*:*:*
fetchmail fetchmail 5.4.5 cpe:2.3:a:fetchmail:fetchmail:5.4.5:*:*:*:*:*:*:*
fetchmail fetchmail 5.5.0 cpe:2.3:a:fetchmail:fetchmail:5.5.0:*:*:*:*:*:*:*
fetchmail fetchmail 5.5.2 cpe:2.3:a:fetchmail:fetchmail:5.5.2:*:*:*:*:*:*:*
fetchmail fetchmail 5.5.3 cpe:2.3:a:fetchmail:fetchmail:5.5.3:*:*:*:*:*:*:*
fetchmail fetchmail 5.5.5 cpe:2.3:a:fetchmail:fetchmail:5.5.5:*:*:*:*:*:*:*
fetchmail fetchmail 5.5.6 cpe:2.3:a:fetchmail:fetchmail:5.5.6:*:*:*:*:*:*:*
fetchmail fetchmail 5.6.0 cpe:2.3:a:fetchmail:fetchmail:5.6.0:*:*:*:*:*:*:*
fetchmail fetchmail 5.7.0 cpe:2.3:a:fetchmail:fetchmail:5.7.0:*:*:*:*:*:*:*
fetchmail fetchmail 5.7.2 cpe:2.3:a:fetchmail:fetchmail:5.7.2:*:*:*:*:*:*:*
fetchmail fetchmail 5.7.4 cpe:2.3:a:fetchmail:fetchmail:5.7.4:*:*:*:*:*:*:*
fetchmail fetchmail 5.8 cpe:2.3:a:fetchmail:fetchmail:5.8:*:*:*:*:*:*:*
fetchmail fetchmail 5.8.1 cpe:2.3:a:fetchmail:fetchmail:5.8.1:*:*:*:*:*:*:*
fetchmail fetchmail 5.8.2 cpe:2.3:a:fetchmail:fetchmail:5.8.2:*:*:*:*:*:*:*
fetchmail fetchmail 5.8.3 cpe:2.3:a:fetchmail:fetchmail:5.8.3:*:*:*:*:*:*:*
fetchmail fetchmail 5.8.4 cpe:2.3:a:fetchmail:fetchmail:5.8.4:*:*:*:*:*:*:*
fetchmail fetchmail 5.8.5 cpe:2.3:a:fetchmail:fetchmail:5.8.5:*:*:*:*:*:*:*
fetchmail fetchmail 5.8.6 cpe:2.3:a:fetchmail:fetchmail:5.8.6:*:*:*:*:*:*:*
fetchmail fetchmail 5.8.11 cpe:2.3:a:fetchmail:fetchmail:5.8.11:*:*:*:*:*:*:*
fetchmail fetchmail 5.8.13 cpe:2.3:a:fetchmail:fetchmail:5.8.13:*:*:*:*:*:*:*
fetchmail fetchmail 5.8.14 cpe:2.3:a:fetchmail:fetchmail:5.8.14:*:*:*:*:*:*:*
fetchmail fetchmail 5.8.17 cpe:2.3:a:fetchmail:fetchmail:5.8.17:*:*:*:*:*:*:*
fetchmail fetchmail 5.9.0 cpe:2.3:a:fetchmail:fetchmail:5.9.0:*:*:*:*:*:*:*
fetchmail fetchmail 5.9.4 cpe:2.3:a:fetchmail:fetchmail:5.9.4:*:*:*:*:*:*:*
fetchmail fetchmail 5.9.5 cpe:2.3:a:fetchmail:fetchmail:5.9.5:*:*:*:*:*:*:*
fetchmail fetchmail 5.9.8 cpe:2.3:a:fetchmail:fetchmail:5.9.8:*:*:*:*:*:*:*
fetchmail fetchmail 5.9.10 cpe:2.3:a:fetchmail:fetchmail:5.9.10:*:*:*:*:*:*:*
fetchmail fetchmail 5.9.11 cpe:2.3:a:fetchmail:fetchmail:5.9.11:*:*:*:*:*:*:*
fetchmail fetchmail 5.9.13 cpe:2.3:a:fetchmail:fetchmail:5.9.13:*:*:*:*:*:*:*
fetchmail fetchmail 6.0.0 cpe:2.3:a:fetchmail:fetchmail:6.0.0:*:*:*:*:*:*:*
fetchmail fetchmail 6.1.0 cpe:2.3:a:fetchmail:fetchmail:6.1.0:*:*:*:*:*:*:*
fetchmail fetchmail 6.1.3 cpe:2.3:a:fetchmail:fetchmail:6.1.3:*:*:*:*:*:*:*
fetchmail fetchmail 6.2.0 cpe:2.3:a:fetchmail:fetchmail:6.2.0:*:*:*:*:*:*:*
fetchmail fetchmail 6.2.1 cpe:2.3:a:fetchmail:fetchmail:6.2.1:*:*:*:*:*:*:*
fetchmail fetchmail 6.2.2 cpe:2.3:a:fetchmail:fetchmail:6.2.2:*:*:*:*:*:*:*
fetchmail fetchmail 6.2.3 cpe:2.3:a:fetchmail:fetchmail:6.2.3:*:*:*:*:*:*:*
fetchmail fetchmail 6.2.4 cpe:2.3:a:fetchmail:fetchmail:6.2.4:*:*:*:*:*:*:*
fetchmail fetchmail 6.2.5 cpe:2.3:a:fetchmail:fetchmail:6.2.5:*:*:*:*:*:*:*
fetchmail fetchmail 6.2.5.1 cpe:2.3:a:fetchmail:fetchmail:6.2.5.1:*:*:*:*:*:*:*
fetchmail fetchmail 6.2.5.2 cpe:2.3:a:fetchmail:fetchmail:6.2.5.2:*:*:*:*:*:*:*
fetchmail fetchmail 6.2.5.4 cpe:2.3:a:fetchmail:fetchmail:6.2.5.4:*:*:*:*:*:*:*

References for CVE-2010-1167

cvelogic Threat Intelligence