How severe is CVE-2017-9122?

CVE-2017-9122 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-2017-9122 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-9122?

CVE-2017-9122 affects Libquicktime. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-9122?

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

When was CVE-2017-9122 published?

CVE-2017-9122 was published on 2017-06-12 and last updated on 2026-06-17.

CVE-2017-9122

CVE-2017-9122 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-835.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 7.1
EPSS exploit prediction: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-835
Affected product: Libquicktime
Published: 2017-06-12
Last modified: 2026-06-17

Description

The quicktime_read_moov function in moov.c in libquicktime 1.2.4 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a crafted mp4 file.

Frequently asked questions

What is CVE-2017-9122?: The quicktime_read_moov function in moov.c in libquicktime 1.2.4 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a crafted mp4 file.
How severe is CVE-2017-9122?: CVE-2017-9122 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-2017-9122 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-9122?: CVE-2017-9122 affects Libquicktime. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-9122?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-9122 published?: CVE-2017-9122 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…
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