How severe is CVE-2016-2399?

CVE-2016-2399 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-2399 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-2399?

CVE-2016-2399 affects Libquicktime. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-2399?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2016-2399 published?

CVE-2016-2399 was published on 2017-01-30 and last updated on 2026-06-17.

CVE-2016-2399

CVE-2016-2399 is a high-severity vulnerability in Libquicktime with a CVSS 3.x base score of 7.8. 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-190.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 7% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-190
Affected product: Libquicktime
Published: 2017-01-30
Last modified: 2026-06-17

Description

Integer overflow in the quicktime_read_pascal function in libquicktime 1.2.4 and earlier allows remote attackers to cause a denial of service or possibly have other unspecified impact via a crafted hdlr MP4 atom.

Frequently asked questions

What is CVE-2016-2399?: Integer overflow in the quicktime_read_pascal function in libquicktime 1.2.4 and earlier allows remote attackers to cause a denial of service or possibly have other unspecified impact via a crafted hdlr MP4 atom.
How severe is CVE-2016-2399?: CVE-2016-2399 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-2399 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-2399?: CVE-2016-2399 affects Libquicktime. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-2399?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2016-2399 published?: CVE-2016-2399 was published on 2017-01-30 and last updated on 2026-06-17.

References

Affected products (1)

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

More vulnerabilities in Libquicktime

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…
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…

All CVEs affecting Libquicktime →

Other CWE-190 (Integer Overflow or Wraparound) vulnerabilities

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CVE-2025-64721 — Critical (CVSS 10.0): Sandboxie is a sandbox-based isolation software for 32-bit and 64-bit Windows NT-based operating systems. In versions…
CVE-2015-5108 — Critical (CVSS 10.0): Integer overflow in Adobe Reader and Acrobat 10.x before 10.1.15 and 11.x before 11.0.12, Acrobat and Acrobat Reader DC…
CVE-2015-5097 — Critical (CVSS 10.0): Integer overflow in Adobe Reader and Acrobat 10.x before 10.1.15 and 11.x before 11.0.12, Acrobat and Acrobat Reader DC…
CVE-2013-2555 — Critical (CVSS 10.0): Integer overflow in Adobe Flash Player before 10.3.183.75 and 11.x before 11.7.700.169 on Windows and Mac OS X, before…

Browse all CWE-190 (Integer Overflow or Wraparound) vulnerabilities →