How severe is CVE-2017-14643?

CVE-2017-14643 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-2017-14643 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-14643?

CVE-2017-14643 affects Bento4. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-14643?

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

When was CVE-2017-14643 published?

CVE-2017-14643 was published on 2017-09-21 and last updated on 2026-06-17.

CVE-2017-14643

CVE-2017-14643 is a medium-severity vulnerability in Bento4 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-125.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Bento4
Published: 2017-09-21
Last modified: 2026-06-17

Description

The AP4_HdlrAtom class in Core/Ap4HdlrAtom.cpp in Bento4 version 1.5.0-617 uses an incorrect character data type, leading to a heap-based buffer over-read and application crash in AP4_BytesToUInt32BE in Core/Ap4Utils.h.

Frequently asked questions

What is CVE-2017-14643?: The AP4_HdlrAtom class in Core/Ap4HdlrAtom.cpp in Bento4 version 1.5.0-617 uses an incorrect character data type, leading to a heap-based buffer over-read and application crash in AP4_BytesToUInt32BE in Core/Ap4Utils.h.
How severe is CVE-2017-14643?: CVE-2017-14643 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-2017-14643 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-14643?: CVE-2017-14643 affects Bento4. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-14643?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-14643 published?: CVE-2017-14643 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…
CVE-2017-14644 — High (CVSS 8.8): A heap-based buffer overflow was discovered in the AP4_HdlrAtom class in Bento4 1.5.0-617. The vulnerability causes an…
CVE-2017-14639 — High (CVSS 8.8): AP4_VisualSampleEntry::ReadFields in Core/Ap4SampleEntry.cpp in Bento4 1.5.0-617 uses incorrect character data types,…
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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…

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