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CVE-2017-9831

23
FAUCET Score

CVE-2017-9831 is an integer overflow vulnerability in the libmtp library (versions 1.1.12 and below) that could lead to denial of service or remote code execution. This vulnerability is triggered when a malicious mobile device is connected via USB, affecting the ptp_unpack_EOS_CustomFuncEx function. With a CVSS score of 6.8 (Medium), it has a physical attack vector and low attack complexity, posing a significant risk to confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
1.1.12CPE matchmatch criteria
cpe:2.3:a:libmtp_project:libmtp:1.1.12:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.8MEDIUM

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

Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
0.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.85%
Probability of exploitation in next 30 days
EPSS Percentile
54.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0086 is in the 92nd percentile among its peer group of 1,530 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (4)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: libgphoto2
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: libmtp
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: libgphoto2
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: libmtp

Vendor Advisories (1)

redhatCVE-2017-9831Low

libmtp: Integer overflow in ptp_unpack_EOS_CustomFuncEx

Mar 16, 2017

References

lists.debian.org / debian-lts-announce/2020/04/msg00003.html
sourceforge.net / p/libmtp/mailman/message/35735992
Issue TrackingMailing ListPatchThird Party Advisory