How severe is CVE-2023-33716?

CVE-2023-33716 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-33716 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-33716?

CVE-2023-33716 affects Mp4v2. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-33716?

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

When was CVE-2023-33716 published?

CVE-2023-33716 was published on 2023-06-01 and last updated on 2026-06-17.

CVE-2023-33716

CVE-2023-33716 is a medium-severity vulnerability in Mp4v2 with a CVSS 3.x base score of 5.5. 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-401.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-401
Affected product: Mp4v2
Published: 2023-06-01
Last modified: 2026-06-17

Description

mp4v2 v2.1.3 was discovered to contain a memory leak via the class MP4StringProperty at mp4property.cpp.

Frequently asked questions

What is CVE-2023-33716?: mp4v2 v2.1.3 was discovered to contain a memory leak via the class MP4StringProperty at mp4property.cpp.
How severe is CVE-2023-33716?: CVE-2023-33716 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-33716 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-33716?: CVE-2023-33716 affects Mp4v2. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-33716?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-33716 published?: CVE-2023-33716 was published on 2023-06-01 and last updated on 2026-06-17.

References

https://github.com/enzo1982/mp4v2/issues/36

Affected products (1)

cpe:2.3:a:mp4v2:mp4v2:2.1.3:*:*:*:*:*:*:*

More vulnerabilities in Mp4v2

CVE-2023-33719 — Medium (CVSS 5.5): mp4v2 v2.1.3 was discovered to contain a memory leak via MP4SdpAtom::Read() at atom_sdp.cpp

All CVEs affecting Mp4v2 →

Other CWE-401 (Missing Release of Memory after Effective Lifetime) vulnerabilities

CVE-2026-46289 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: lib/scatterlist: fix length calculations in…
CVE-2022-0742 — Critical (CVSS 9.1): Memory leak in icmp6 implementation in Linux Kernel 5.13+ allows a remote attacker to DoS a host by making it go…
CVE-2024-25450 — High (CVSS 8.8): imlib2 v1.9.1 was discovered to mishandle memory allocation in the function init_imlib_fonts().
CVE-2023-33718 — High (CVSS 8.8): mp4v2 v2.1.3 was discovered to contain a memory leak via MP4File::ReadString() at mp4file_io.cpp
CVE-2021-40633 — High (CVSS 8.8): A memory leak (out-of-memory) in gif2rgb in util/gif2rgb.c in giflib 5.1.4 allows remote attackers trigger an out of…
CVE-2021-3492 — High (CVSS 8.8): Shiftfs, an out-of-tree stacking file system included in Ubuntu Linux kernels, did not properly handle faults occurring…

Browse all CWE-401 (Missing Release of Memory after Effective Lifetime) vulnerabilities →