CVE-2018-17235

The function mp4v2::impl::MP4Track::FinishSdtp() in mp4track.cpp in libmp4v2 2.1.0 mishandles compatibleBrand while processing a crafted mp4 file, which leads to a heap-based buffer over-read, causing denial of service.

Published: 2018-09-20 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2018-17235 is rated Moderate Risk (42.2/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.24%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2018-17235

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-04-12 0.40% 0.24% -0.16%
2 2025-11-21 0.24% 0.40% +0.16%
3 2025-11-18 0.24%

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2018-17235

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.0 MEDIUM
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
2.8 3.6 [email protected]
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
8.6 2.9 [email protected]

Weakness enumeration for CVE-2018-17235

OS Trackers for CVE-2018-17235

vendor priority summary link
ubuntu low CVE-2018-17235 low priority: Ubuntu including 1 source packages (mp4v2), 19 status rows across 19 suites (bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): DNE 15, needed 2, ignored 1, pending 1. https://ubuntu.com/security/CVE-2018-17235

Affected software / configurations for CVE-2018-17235

Vendor Product Version Raw CPE
mp4v2_project mp4v2 2.1.0 cpe:2.3:a:mp4v2_project:mp4v2:2.1.0:*:*:*:*:*:*:*

References for CVE-2018-17235

cvelogic Threat Intelligence