dbcve.org
Ubuntu LinuxOperating system · Canonical

CVE-2015-1321

MEDIUM · 6.8 CVSS v2.0 Published 2015-04-29
Fix available
A fix is available. Upgrade to after 1.6.4 or later.
See remediation →
77/100
Remediation priority · High
Remotely reachable No privileges Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
Use-after-free vulnerability in the file picker implementation in Oxide before 1.6.5 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a crafted webpage.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · high confidence

Use-after-free vulnerability in the file picker implementation in Oxide (Qt WebEngine wrapper used by Ubuntu's web-based click-to-run applications) before version 1.6.5 allows remote attackers to cause a denial of service (crash) or potentially execute arbitrary code via a crafted webpage.

MitigationUpgrade Oxide to version 1.6.5 or later to patch the use-after-free vulnerability in the file picker component.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Ubuntu LinuxOperating system
Affected:= 14.04= 14.10= 15.1
OxideApplication
Affected:<= 1.6.4

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
M
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

AV:N/AC:M/Au:N/C:P/I:P/A:P

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Check if Oxide packages are installed
    Run 'dpkg -l | grep oxide' or 'apt list --installed 2>/dev/null | grep -i oxide' to list installed Oxide-related packages
    Affected if Any Oxide package is installed on Ubuntu 14.04, 14.10, or 15.04/15.10
  2. Determine installed Oxide version
    Run 'dpkg -l | grep oxide' and examine the version column, or use 'apt-cache policy oxide-qt' if the package is known to be installed
    Affected if The displayed version number is 1.6.4 or lower
  3. Verify Ubuntu release version
    Run 'lsb_release -r' or check '/etc/lsb-release' to confirm the Ubuntu release
    Affected if The system runs Ubuntu 14.04, 14.10, or 15.04/15.10 and has Oxide installed
  4. Check for click-to-run application usage
    Inspect installed snap packages or click packages related to web apps: run 'snap list' or check for packages in /var/lib/click
    Affected if The system has web-based click-to-run applications installed that rely on Oxide WebEngine

The system is affected if it runs Ubuntu 14.04, 14.10, or 15.x with Oxide version 1.6.4 or lower installed, particularly if click-to-run web applications are in use.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

From vendor data
Upgrade available Upgrade to a release after 1.6.4
Interim mitigation

Upgrade Oxide to version 1.6.5 or later to patch the use-after-free vulnerability in the file picker component.

Fix this in Ubuntu Linux Scoped from the published advisory
  • Consultation2.0 h
  • Implementation2.0 h
  • Testing4.0 h
  • Review / QA2.0 h
10.0 hours of engineering $1,720
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,752.

Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2015-1321 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.

Get it on GitHub Scan in the browser

References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2015-1321 in production — separate from our analysis above.

No notes yet

Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.

What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data