How severe is CVE-2017-14639?

CVE-2017-14639 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-14639 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-14639?

CVE-2017-14639 affects Bento4. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-14639?

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-2017-14639 published?

CVE-2017-14639 was published on 2017-09-21 and last updated on 2026-06-17.

CVE-2017-14639

CVE-2017-14639 is a high-severity vulnerability in Bento4 with a CVSS 3.x base score of 8.8. 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-843.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-843
Affected product: Bento4
Published: 2017-09-21
Last modified: 2026-06-17

Description

AP4_VisualSampleEntry::ReadFields in Core/Ap4SampleEntry.cpp in Bento4 1.5.0-617 uses incorrect character data types, which causes a stack-based buffer underflow and out-of-bounds write, leading to denial of service (application crash) or possibly unspecified other impact.

Frequently asked questions

What is CVE-2017-14639?: AP4_VisualSampleEntry::ReadFields in Core/Ap4SampleEntry.cpp in Bento4 1.5.0-617 uses incorrect character data types, which causes a stack-based buffer underflow and out-of-bounds write, leading to denial of service (application crash) or possibly unspecified other impact.
How severe is CVE-2017-14639?: CVE-2017-14639 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-14639 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-14639?: CVE-2017-14639 affects Bento4. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-14639?: 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-2017-14639 published?: CVE-2017-14639 was published on 2017-09-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:bento4:bento4:1.5.0-617:*:*:*:*:*:*:*

More vulnerabilities in Bento4

CVE-2017-14647 — High (CVSS 8.8): A heap-based buffer overflow was discovered in AP4_VisualSampleEntry::ReadFields in Core/Ap4SampleEntry.cpp in Bento4…
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CVE-2017-14259 — High (CVSS 7.8): In the SDK in Bento4 1.5.0-616, the AP4_StscAtom class in Ap4StscAtom.cpp contains a Write Memory Access Violation…
CVE-2017-14258 — High (CVSS 7.8): In the SDK in Bento4 1.5.0-616, SetItemCount in Core/Ap4StscAtom.h file contains a Write Memory Access Violation…
CVE-2017-14257 — High (CVSS 7.8): In the SDK in Bento4 1.5.0-616, AP4_AtomSampleTable::GetSample in Core/Ap4AtomSampleTable.cpp contains a Read Memory…

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