How severe is CVE-2017-12143?

CVE-2017-12143 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-2017-12143 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-12143?

CVE-2017-12143 affects Libquicktime. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-12143?

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

When was CVE-2017-12143 published?

CVE-2017-12143 was published on 2017-08-02 and last updated on 2026-06-17.

CVE-2017-12143

CVE-2017-12143 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Libquicktime
Published: 2017-08-02
Last modified: 2026-06-17

Description

In libquicktime 1.2.4, an allocation failure was found in the function quicktime_read_info in lqt_quicktime.c, which allows attackers to cause a denial of service via a crafted file.

Frequently asked questions

What is CVE-2017-12143?: In libquicktime 1.2.4, an allocation failure was found in the function quicktime_read_info in lqt_quicktime.c, which allows attackers to cause a denial of service via a crafted file.
How severe is CVE-2017-12143?: CVE-2017-12143 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-2017-12143 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-12143?: CVE-2017-12143 affects Libquicktime. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-12143?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-12143 published?: CVE-2017-12143 was published on 2017-08-02 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-2017-9128 — 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…
CVE-2017-9125 — Medium (CVSS 6.5): The lqt_frame_duration function in lqt_quicktime.c in libquicktime 1.2.4 allows remote attackers to cause a denial of…

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