How severe is CVE-2018-14326?

CVE-2018-14326 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-2018-14326 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-14326?

CVE-2018-14326 affects Techsmith Mp4v2. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-14326?

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-2018-14326 published?

CVE-2018-14326 was published on 2018-07-16 and last updated on 2026-06-17.

CVE-2018-14326

CVE-2018-14326 is a high-severity vulnerability in Techsmith Mp4v2 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-190.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-190
Affected product: Techsmith Mp4v2
Published: 2018-07-16
Last modified: 2026-06-17

Description

In MP4v2 2.0.0, there is an integer overflow (with resultant memory corruption) when resizing MP4Array for the ftyp atom in mp4array.h.

Frequently asked questions

What is CVE-2018-14326?: In MP4v2 2.0.0, there is an integer overflow (with resultant memory corruption) when resizing MP4Array for the ftyp atom in mp4array.h.
How severe is CVE-2018-14326?: CVE-2018-14326 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-2018-14326 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-14326?: CVE-2018-14326 affects Techsmith Mp4v2. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-14326?: 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-2018-14326 published?: CVE-2018-14326 was published on 2018-07-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:techsmith:mp4v2:2.0.0:*:*:*:*:*:*:*

More vulnerabilities in Techsmith Mp4v2

CVE-2018-14403 — Critical (CVSS 9.8): MP4NameFirstMatches in mp4util.cpp in MP4v2 2.0.0 mishandles substrings of atom names, leading to use of an…
CVE-2018-14054 — Critical (CVSS 9.8): A double free exists in the MP4StringProperty class in mp4property.cpp in MP4v2 2.0.0. A dangling pointer is freed…
CVE-2018-14446 — High (CVSS 8.8): MP4Integer32Property::Read in atom_avcC.cpp in MP4v2 2.1.0 allows remote attackers to cause a denial of service…
CVE-2018-14379 — High (CVSS 8.8): MP4Atom::factory in mp4atom.cpp in MP4v2 2.0.0 incorrectly uses the MP4ItemAtom data type in a certain case where…
CVE-2018-14325 — High (CVSS 8.8): In MP4v2 2.0.0, there is an integer underflow (with resultant memory corruption) when parsing MP4Atom in mp4atom.cpp.

All CVEs affecting Techsmith Mp4v2 →

Other CWE-190 (Integer Overflow or Wraparound) vulnerabilities

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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 →