CVE-2017-9126

Exp

The quicktime_read_dref_table function in dref.c in libquicktime 1.2.4 allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) via a crafted mp4 file.

Published: 2017-06-12 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2017-9126 is rated High Exploit Risk (73.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.97%). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.09% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2017-9126

EDB-ID Source Kind Published Link
42148 exploit_db edb 2017-06-09 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2017-9126

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 2026-06-15 2.88% 3.97% +1.09%
2 2025-11-21 3.42% 2.88% -0.54%
3 2025-11-18 — 3.42% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2017-9126

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-2017-9126

OS Trackers for CVE-2017-9126

vendor priority summary link
debian low CVE-2017-9126 low priority: Debian including 1 source packages (libquicktime), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2017-9126
suse medium CVE-2017-9126 severity moderate: SUSE including 22 source package names (libquicktime-1.0.3-6.5.1, libquicktime-1.2.4+git20180804.fff99cd-1.19, …), 50 product×package rows across 27 product lines (SUSE Linux Enterprise Desktop 12 SP2, SUSE Linux Enterprise Desktop 12 SP4, … (27 product lines)): Fixed 50. https://www.suse.com/security/cve/CVE-2017-9126/
ubuntu medium CVE-2017-9126 medium priority: Ubuntu including 1 source packages (libquicktime), 11 status rows across 11 suites (artful, bionic, cosmic, disco, eoan, focal, trusty, upstream, xenial, yakkety, zesty): not-affected 5, ignored 3, released 2, DNE 1. https://ubuntu.com/security/CVE-2017-9126

Affected software / configurations for CVE-2017-9126

Vendor Product Version Raw CPE
libquicktime libquicktime 1.2.4 cpe:2.3:a:libquicktime:libquicktime:1.2.4:*:*:*:*:*:*:*

References for CVE-2017-9126

cvelogic Threat Intelligence