LiveActive security incident?Get immediate response
CVE Record

CVE-2018-10756: Use-after-free in libtransmission/variant.c in Transmission before 3.00 allows remote attackers to cause a...

Use-after-free in libtransmission/variant.c in Transmission before 3.00 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a crafted torrent file.

UnknownCVSS not scoredNot KEV-listedUpdated
Discuss exposureBack to CVEs
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

Transmission versions before 3.00 can crash, and may possibly run attacker-controlled code, when processing a malicious torrent file. The business risk is highest where Transmission automatically handles torrent files from untrusted sources. The source bundle does not show active exploitation or a CVSS score.

Executive priority

Treat as a priority update for internet-facing or automated Transmission deployments. It is less urgent for isolated clients that only open trusted torrent files, but the possible code execution language warrants timely remediation.

Technical view

CVE-2018-10756 is a use-after-free in Transmission's libtransmission/variant.c before 3.00. The CVE description says a crafted torrent file can cause denial of service or possibly arbitrary code execution. The bundle includes an upstream commit plus Debian, Fedora, and Gentoo security advisories.

Likely exposure

Exposure is likely limited to systems running Transmission before 3.00 or older distro packages. Risk increases for seedboxes, download services, desktops, or automation that imports torrent files from external users, feeds, or shared folders.

Exploitation context

The source bundle says exploitation requires a crafted torrent file. It does not include KEV listing, active exploitation evidence, exploit maturity, or proof that code execution is reliably achieved rather than a crash.

Researcher notes

The strongest facts are the CVE description, upstream commit, and distro advisories. The bundle does not provide CVSS, CWE classification, exploit telemetry, or detailed exploitability proof. Avoid assuming broad remote compromise without additional evidence.

Mitigation direction

  • Upgrade Transmission to 3.00 or a vendor-patched distro package.
  • Apply relevant Debian, Fedora, or Gentoo security updates where packaged Transmission is used.
  • Restrict ingestion of untrusted torrent files until affected instances are updated.
  • Check vendor or distribution guidance if using nonstandard builds.

Validation and detection

  • Inventory hosts and containers running Transmission.
  • Verify Transmission versions are 3.00 or vendor-patched builds.
  • Review automation that imports torrent files from untrusted sources.
  • Confirm applicable distro security advisories are applied.
  • Monitor for crashes linked to torrent file parsing.
Prepared
Confidence
medium
Sources
7

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2018-10756 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
8Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.