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CVE-2016-6328

21
FAUCET Score

CVE-2016-6328 is an integer overflow vulnerability in libexif, affecting various distributions of Debian and Ubuntu Linux, as well as the libexif project itself. This flaw, occurring during the parsing of MNOTE entry data, carries a CVSS score of 8.1 (High) due to its potential for Denial-of-Service and information disclosure, including sensitive heap chunk metadata. While the attack vector is network-based with low complexity, requiring user interaction, there is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.6.22CPE matchmatch criteria
cpe:2.3:a:libexif_project:libexif:*:*:*:*:*:*:*:*
12.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
16.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
18.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.1MEDIUM

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:L

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
1.8
Impact Score
4.2
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.52%
Probability of exploitation in next 30 days
EPSS Percentile
72.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0152 is in the 71st percentile among its peer group of 14,848 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

redhatpatch availablevia nvd_reference
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: libexif
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: libexif
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: libexif

Vendor Advisories (1)

redhatCVE-2016-6328Low

libexif: Integer overflow in parsing MNOTE entry data of the input file

Jul 25, 2017

References

lists.opensuse.org / opensuse-security-announce/2020-06/msg00017.html
Mailing ListThird Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory
lists.debian.org / debian-lts-announce/2020/05/msg00016.html
Mailing ListThird Party Advisory
security.gentoo.org / glsa/202007-05
Third Party Advisory
usn.ubuntu.com / 4277-1
Third Party Advisory