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Fencer Vulns
high 7.5

CVE-2017-9604 json

KDE kmail before 5.5.2 and messagelib before 5.5.2, as distributed in KDE Applications before 17.04.2, do not ensure that a plugin's sign/e…

published 2017-06-13 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-18535

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 70%
public exploits
0
none known

Summary

KDE kmail before 5.5.2 and messagelib before 5.5.2, as distributed in KDE Applications before 17.04.2, do not ensure that a plugin's sign/encrypt action occurs during use of the Send Later feature, which allows remote attackers to obtain sensitive information by sniffing the network.

Patch / fix

  • kf5-messagelib Debian 12 4:16.04.3-3

debian advisories DEBIAN-CVE-2017-9604

  • kdepim Ubuntu 14.04 LTS 4:4.13.3-0ubuntu0.2
  • kdepim Ubuntu 16.04 LTS 4:15.12.3-0ubuntu1.1

ubuntu advisories UBUNTU-CVE-2017-9604

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • messagelib Package Hub 12 SP2 16.08.2-5.1
  • kdepim Package Hub 12 SP2 16.08.2-5.2

opensuse advisories openSUSE-SU-2017:1748-1openSUSE-SU-2017:1756-1

  • kmail Arch Linux 17.04.2-1
  • messagelib Arch Linux 17.04.2-1

arch linux advisories AVG-299AVG-300

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-9604 updated cvss 5.4

kmail: Send Later with Delay bypasses OpenPGP

  • Red Hat Enterprise Linux 6 kdepim, kdepim-libs Red Hat Enterprise Linux 7 kdepim, kdepim-libs
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux 6 kdepim3-libs
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.29% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-311 Missing Encryption of Sensitive Data

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.