CVE-2016-5282

medium
Published 2016-09-22 · Modified 2026-05-06
CVSS v3
6.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CVSS v2
4.3
VIR risk
6.5

Description

Mozilla Firefox before 49.0 does not properly restrict the scheme in favicon requests, which might allow remote attackers to obtain sensitive information via unspecified vectors, as demonstrated by a jar: URL for a favicon resource.

Predictions

Exploit likelihood
75%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2016-5282

vendor Authored 2026-05-27

Vendor advisory: security@mozilla.org — http://www.mozilla.org/security/announce/2016/mfsa2016-85.html

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201609-22

OS impact

OSVersionStatusFixed in
arch archfixed49.0-1
debian debiansidfixed49.0-1
debian debiantrixiefixed0
debian debianbookwormfixed0
debian debianbullseyefixed0
debian debianforkyfixed0

Application impact

VendorProductVersionsFixed
mozillafirefox{"endIncluding":"48.0.2"}

References

CWEs

CWE-200

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