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Fencer Vulns
high 7.3

CVE-2017-17845 json

An issue was discovered in Enigmail before 1.9.9.

published 2017-12-22 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-8992

cvss
7.3
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.6%
EPSS 1.6% chance of exploitation in 30 days, percentile 76%
public exploits
0
none known

Summary

An issue was discovered in Enigmail before 1.9.9. Improper Random Secret Generation occurs because Math.Random() is used by pretty Easy privacy (pEp), aka TBE-01-001.

Patch / fix

  • enigmail enigmail 1.9.9
  • enigmail Debian 11 2:1.9.9-1

debian advisories DEBIAN-CVE-2017-17845

  • enigmail Ubuntu 14.04 LTS 2:1.9.9-0ubuntu0.14.04.1
  • enigmail Ubuntu 16.04 LTS 2:1.9.9-0ubuntu0.16.04.1

ubuntu advisories UBUNTU-CVE-2017-17845

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

Exploit prediction

1.61% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 7.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-338 Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

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.