HOMEVULNERABILITIESCVE-2018-10756
HIGH

CVE-2018-10756

CWE-416Published: May 15, 2020· Updated: Jun 17, 2026

7.8
CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2018-10756 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

From a weakness classification perspective (CWE-416): Use-after-free vulnerabilities involve accessing memory after it has been freed, often enabling arbitrary code execution.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors & Products

Debian1 product(s)
debian linux
Fedora1 product(s)
fedora
transmissionbt1 product(s)
transmission
Source: NVD CPE · 5 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/transmission/transmission/commit/2123adf8e5e1c2b48791f9d22fc8c747e974180e
PATCHhttps://github.com/transmission/transmission/commit/2123adf8e5e1c2b48791f9d22fc8c747e974180e
ADVISORYhttps://lists.debian.org/debian-lts-announce/2020/05/msg00022.html
ADVISORYhttps://lists.debian.org/debian-lts-announce/2020/08/msg00001.html
ADVISORYhttps://security.gentoo.org/glsa/202007-07
ADVISORYhttps://tomrichards.net/2020/05/cve-2018-10756-transmission/
ADVISORYhttps://lists.debian.org/debian-lts-announce/2020/05/msg00022.html
ADVISORYhttps://lists.debian.org/debian-lts-announce/2020/08/msg00001.html
ADVISORYhttps://security.gentoo.org/glsa/202007-07
ADVISORYhttps://tomrichards.net/2020/05/cve-2018-10756-transmission/

All References (14)

→
https://github.com/transmission/transmission/commit/2123adf8e5e1c2b48791f9d22fc8c747e974180ePatch · Third Party Advisory
→
https://lists.debian.org/debian-lts-announce/2020/05/msg00022.htmlMailing List · Third Party Advisory
→
https://lists.debian.org/debian-lts-announce/2020/08/msg00001.htmlMailing List · Third Party Advisory
→
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CD3GLZ5URIK74RCGLSH72IVLDIJJMLQC/
→
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OVAG2HNKNRLWOACFN5F2ANJD2SQ53WI7/
→
https://security.gentoo.org/glsa/202007-07Third Party Advisory
→
https://tomrichards.net/2020/05/cve-2018-10756-transmission/Exploit · Mitigation · Vendor Advisory
→
https://github.com/transmission/transmission/commit/2123adf8e5e1c2b48791f9d22fc8c747e974180ePatch · Third Party Advisory
→
https://lists.debian.org/debian-lts-announce/2020/05/msg00022.htmlMailing List · Third Party Advisory
→
https://lists.debian.org/debian-lts-announce/2020/08/msg00001.htmlMailing List · Third Party Advisory
→
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CD3GLZ5URIK74RCGLSH72IVLDIJJMLQC/
→
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OVAG2HNKNRLWOACFN5F2ANJD2SQ53WI7/
→
https://security.gentoo.org/glsa/202007-07Third Party Advisory
→
https://tomrichards.net/2020/05/cve-2018-10756-transmission/Exploit · Mitigation · Vendor Advisory

Quick Facts

CVE IDCVE-2018-10756
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-416
CISA KEVNo
Affected3 vendor(s)
PublishedMay 15, 2020

Related CVEs (CWE-416)

CVE-2012-3963
10.0
CVE-2012-3961
10.0
CVE-2012-3959
10.0
CVE-2011-0982
10.0
CVE-2012-3960
10.0
CVE-2012-3968
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2018-10756 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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