CVE-2006-4019

Exp

Dynamic variable evaluation vulnerability in compose.php in SquirrelMail 1.4.0 to 1.4.7 allows remote attackers to overwrite arbitrary program variables and read or write the attachments and preferences of other users.

Published: 2006-08-11 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2006-4019 is rated High Exploit Risk (74.4/100): CVSS Medium severity, with high exploitation likelihood (EPSS 9.80%, 95th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2006-4019

EDB-ID Source Kind Published Link
43839 exploit_db edb 2016-08-11 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2006-4019

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 2026-07-09 9.23% 9.80% +0.56%
2 2026-06-15 28.11% 9.23% -18.88%
3 2025-12-28 — 28.11% —

Full EPSS history (25 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-4019

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.4 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 4.9 [email protected]

Weakness enumeration for CVE-2006-4019

OS Trackers for CVE-2006-4019

vendor priority summary link
redhat medium — https://access.redhat.com/security/cve/CVE-2006-4019
ubuntu medium CVE-2006-4019 medium priority: Ubuntu including 1 source packages (squirrelmail), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): released 3, needs-triage 1. https://ubuntu.com/security/CVE-2006-4019

NVD evaluator notes for CVE-2006-4019

Solution: This vulnerability is addressed in the following product release: SquirrelMail, SquirrelMail, 1.4.8

Affected software / configurations for CVE-2006-4019

Vendor Product Version Raw CPE
squirrelmail squirrelmail 1.4.0 cpe:2.3:a:squirrelmail:squirrelmail:1.4.0:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.1 cpe:2.3:a:squirrelmail:squirrelmail:1.4.1:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.2 cpe:2.3:a:squirrelmail:squirrelmail:1.4.2:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.3 cpe:2.3:a:squirrelmail:squirrelmail:1.4.3:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.3_r3 cpe:2.3:a:squirrelmail:squirrelmail:1.4.3_r3:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.3_rc1 cpe:2.3:a:squirrelmail:squirrelmail:1.4.3_rc1:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.3a cpe:2.3:a:squirrelmail:squirrelmail:1.4.3a:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.4 cpe:2.3:a:squirrelmail:squirrelmail:1.4.4:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.4_rc1 cpe:2.3:a:squirrelmail:squirrelmail:1.4.4_rc1:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.5 cpe:2.3:a:squirrelmail:squirrelmail:1.4.5:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.6 cpe:2.3:a:squirrelmail:squirrelmail:1.4.6:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.6_rc1 cpe:2.3:a:squirrelmail:squirrelmail:1.4.6_rc1:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.7 cpe:2.3:a:squirrelmail:squirrelmail:1.4.7:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4_rc1 cpe:2.3:a:squirrelmail:squirrelmail:1.4_rc1:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.44 cpe:2.3:a:squirrelmail:squirrelmail:1.44:*:*:*:*:*:*:*

References for CVE-2006-4019

URL Tags
ftp://patches.sgi.com/support/free/security/advisories/20061001-01-P.asc
http://attrition.org/pipermail/vim/2006-August/000970.html
http://docs.info.apple.com/article.html?artnum=306172
http://lists.apple.com/archives/security-announce//2007/Jul/msg00004.html
http://marc.info/?l=full-disclosure&m=115532449024178&w=2
http://secunia.com/advisories/21354 Patch Vendor Advisory
http://secunia.com/advisories/21444
http://secunia.com/advisories/21586
http://secunia.com/advisories/22080
http://secunia.com/advisories/22104
http://secunia.com/advisories/22487
http://secunia.com/advisories/26235
http://securitytracker.com/id?1016689
http://www.debian.org/security/2006/dsa-1154
http://www.mandriva.com/security/advisories?name=MDKSA-2006:147
http://www.novell.com/linux/security/advisories/2006_23_sr.html
http://www.osvdb.org/27917
http://www.redhat.com/support/errata/RHSA-2006-0668.html
http://www.securityfocus.com/archive/1/442980/100/0/threaded
http://www.securityfocus.com/archive/1/442993/100/0/threaded
http://www.securityfocus.com/bid/19486
http://www.securityfocus.com/bid/25159
http://www.squirrelmail.org/patches/sqm1.4.7-expired-post-fix-full.patch Patch
http://www.squirrelmail.org/security/issue/2006-08-11 Patch
http://www.vupen.com/english/advisories/2006/3271
http://www.vupen.com/english/advisories/2007/2732
https://exchange.xforce.ibmcloud.com/vulnerabilities/28365
https://issues.rpath.com/browse/RPL-577
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11533
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