How severe is CVE-2017-9124?

CVE-2017-9124 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2017-9124 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-9124?

CVE-2017-9124 affects Libquicktime. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-9124?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-9124 published?

CVE-2017-9124 was published on 2017-06-12 and last updated on 2026-06-17.

CVE-2017-9124

CVE-2017-9124 is a medium-severity vulnerability in Libquicktime with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-476.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Libquicktime
Published: 2017-06-12
Last modified: 2026-06-17

Description

The quicktime_match_32 function in util.c in libquicktime 1.2.4 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted mp4 file.

Frequently asked questions

What is CVE-2017-9124?: The quicktime_match_32 function in util.c in libquicktime 1.2.4 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted mp4 file.
How severe is CVE-2017-9124?: CVE-2017-9124 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2017-9124 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-9124?: CVE-2017-9124 affects Libquicktime. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-9124?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-9124 published?: CVE-2017-9124 was published on 2017-06-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:libquicktime:libquicktime:1.2.4:*:*:*:*:*:*:*

More vulnerabilities in Libquicktime

CVE-2016-2399 — High (CVSS 7.8): Integer overflow in the quicktime_read_pascal function in libquicktime 1.2.4 and earlier allows remote attackers to…
CVE-2017-12145 — Medium (CVSS 6.5): In libquicktime 1.2.4, an allocation failure was found in the function quicktime_read_ftyp in ftyp.c, which allows…
CVE-2017-12143 — Medium (CVSS 6.5): In libquicktime 1.2.4, an allocation failure was found in the function quicktime_read_info in lqt_quicktime.c, which…
CVE-2017-9128 — Medium (CVSS 6.5): The quicktime_video_width function in lqt_quicktime.c in libquicktime 1.2.4 allows remote attackers to cause a denial…
CVE-2017-9127 — Medium (CVSS 6.5): The quicktime_user_atoms_read_atom function in useratoms.c in libquicktime 1.2.4 allows remote attackers to cause a…
CVE-2017-9126 — Medium (CVSS 6.5): The quicktime_read_dref_table function in dref.c in libquicktime 1.2.4 allows remote attackers to cause a denial of…

All CVEs affecting Libquicktime →

Other CWE-476 (NULL Pointer Dereference) vulnerabilities

CVE-2022-36648 — Critical (CVSS 10.0): The hardware emulation in the of_dpa_cmd_add_l2_flood of rocker device model in QEMU, as used in 7.0.0 and earlier,…
CVE-2020-14500 — Critical (CVSS 10.0): Secomea GateManager all versions prior to 9.2c, An attacker can send a negative value and overwrite arbitrary data.
CVE-2010-2495 — Critical (CVSS 10.0): The pppol2tp_xmit function in drivers/net/pppol2tp.c in the L2TP implementation in the Linux kernel before 2.6.34 does…
CVE-2026-46195 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: smb: client: validate dacloffset before building…
CVE-2026-31657 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: batman-adv: hold claim backbone gateways by…
CVE-2026-31436 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix possible wrong descriptor…

Browse all CWE-476 (NULL Pointer Dereference) vulnerabilities →