CVE-2015-5884

low
Published 2015-10-09 · Modified 2026-05-06
CVSS v3
CVSS v2
3.3
VIR risk
3.3

Description

The Mail Drop feature in Mail in Apple OS X before 10.11 mishandles encryption parameters for attachments, which makes it easier for remote attackers to obtain sensitive information by sniffing the network during transmission of an S/MIME e-mail message with a large attachment.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: product-security@apple.com — https://support.apple.com/HT205267

vendor Authored 2026-05-27

Vendor advisory: product-security@apple.com — http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html

OS impact

OSVersionStatusFixed in
macos macosaffected

References

CWEs

CWE-200

Verify integrity in audit chain (admin only). AS-IS.