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CVE-2016-9951

28
FAUCET Score

CVE-2016-9951 describes a vulnerability in Apport before version 2.20.4, affecting the Apport project's crash reporting tool. A malicious Apport crash file could contain a restart command in the `RespawnCommand` or `ProcCmdline` fields, which would execute if a user clicked the "Relaunch" button. This vulnerability has a CVSS score of 6.5 (Medium), indicating it can be exploited remotely with low attack complexity, requiring user interaction to achieve high availability impact. The fix involved restricting the "Relaunch" button to locally generated crash files. While not listed on the KEV catalog or Hot List, an ExploitDB entry (EDB-40937) exists for local code execution. There is no evidence of active exploitation, and the vulnerability has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.20.3CPE matchmatch criteria
cpe:2.3:a:apport_project:apport:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
6.67%
Probability of exploitation in next 30 days
EPSS Percentile
93.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
ExploitDB: EDB-40937 · Dec 14, 2016
This CVE's current EPSS score of 0.0667 is in the 97th percentile among its peer group of 26,209 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Remediation

Remediation records are not available for this CVE.

References

bugs.launchpad.net / apport/+bug/1648806
Issue TrackingPatch
donncha.is / 2016/12/compromising-ubuntu-desktop
ExploitTechnical DescriptionThird Party Advisory
github.com / DonnchaC/ubuntu-apport-exploitation
Issue TrackingThird Party Advisory
exploit-db.com / exploits/40937
securityfocus.com / bid/95011
Third Party AdvisoryVDB Entry
ubuntu.com / usn/USN-3157-1