CVE-2011-4919

mpack 1.6 has information disclosure via eavesdropping on mails sent by other users

7.5 HighPublic exploitFix available

mpack 1.6 has information disclosure via eavesdropping on mails sent by other users

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: None

Exploit likelihood

2.58%Down 9.9 points since Feb 4, 2022

What each source reports

NVD Score used 7.5

mpack 1.6 has information disclosure via eavesdropping on mails sent by other users

Record: CVE-2011-4919
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:P/I:N/A:N
Weakness: CWE-200
Updated: 2026-11-02

CVE List No score

mpack 1.6 has information disclosure via eavesdropping on mails sent by other users

Record: CVE-2011-4919
Updated: 2026-11-02

EUVDEUVD-2011-4830 No score

mpack 1.6 has information disclosure via eavesdropping on mails sent by other users

Record: EUVD-2011-4830
Updated: 2026-11-03

GitHub AdvisoriesGHSA-w6m4-4394-5mjr No score

mpack 1.6 has information disclosure via eavesdropping on mails sent by other users

mpack 1.6 has information disclosure via eavesdropping on mails sent by other users

Record: GHSA-w6m4-4394-5mjr
Updated: 2026-11-02

OSV 7.5

mpack 1.6 has information disclosure via eavesdropping on mails sent by other users

Record: CVE-2011-4919
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated: 2026-11-02

OSVDEBIAN-CVE-2011-4919 7.5

mpack 1.6 has information disclosure via eavesdropping on mails sent by other users

Record: DEBIAN-CVE-2011-4919
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated: 2026-11-02

OSVUBUNTU-CVE-2011-4919 7.5

mpack 1.6 has information disclosure via eavesdropping on mails sent by other users

Record: UBUNTU-CVE-2011-4919
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`mpack` Debian:12	before 1.6-8	1.6-8
`mpack` Debian:13	before 1.6-8	1.6-8
`mpack` Debian:14	before 1.6-8	1.6-8

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
PoC in GitHub	hartwork/mpacktrafficripper	2015-02-01

History

History
Recorded	Changed	Sources
Nov 3, 2026	affected
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2011-4919 is a high vulnerability (CVSS 7.5) in Mpack, published November 19, 2019. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 2.58%, the 85th percentile. Fixed in mpack 1.6-8.

Attack profile

How easy it is to exploit

What an attacker can affect

Exploit likelihood

What each source reports

Affected products

Affected packages

Public exploits

History

In short

References