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CVE-2023-33717· NVD / CVE Program· CNA mitre

mp4v2 v2.1.3 was discovered to contain a memory leak when a method calling MP4File::ReadBytes() had allocated memory but did not catch excep

mp4v2 v2.1.3 was discovered to contain a memory leak when a method calling MP4File::ReadBytes() had allocated memory but did not catch exceptions thrown by ReadBytes()

MediumCVSS 5.5 · v3.1—No exploit No fix recorded
Published
Jun 2, 2023
Updated
Jun 17, 2026
EPSS
0.3% · 18th percentile
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Action score

22

Monitor

Low priority for now.

CVSS
22 / 40 · 5.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.3%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

Affected systems

VendorProduct
mp4v2 projectmp4v2

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • mp4v2 project mp4v22.1.3

Same product

mp4v2 project: all records

Other highest-scoring records for the same primary product.

  • CVE-2023-33718mp4v2 v2.1.3 was discovered to contain a memory leak via MP4File::ReadString() at mp4file_io.cpp
    35Monitor
  • CVE-2023-29578mp4v2 v2.0.0 was discovered to contain a heap buffer overflow via the mp4v2::impl::MP4StringProperty::~MP4StringProperty() function at src/m
    35Monitor
  • CVE-2023-29584mp4v2 v2.0.0 was discovered to contain a heap buffer overflow via the MP4GetVideoProfileLevel function at /src/mp4.cpp.
    35Monitor
  • CVE-2018-7339The MP4Atom class in mp4atom.cpp in MP4v2 through 2.0.0 mishandles Entry Number validation for the MP4 Table Property, which allows remote a
    35Monitor
  • CVE-2023-33720mp4v2 v2.1.2 was discovered to contain a memory leak via the class MP4BytesProperty.
    26Monitor
  • CVE-2018-17236The function MP4Free() in mp4property.cpp in libmp4v2 2.1.0 internally calls free() on a invalid pointer, raising a SIGABRT signal.
    26Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • No account or password is required.
  • A user must open a link or visit a page.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
none
Availability
high · the service can be disrupted
Attack vector
Local
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality impact
None
Integrity impact
None
Availability impact
High

Weakness class (CWE)

CWE-401 · Missing Release of Memory after Effective Lifetime

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records