How severe is CVE-2025-51602?

CVE-2025-51602 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.

Is CVE-2025-51602 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-51602?

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

Does CVE-2025-51602 have an EU (EUVD) identifier?

Yes. CVE-2025-51602 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2904.

When was CVE-2025-51602 published?

CVE-2025-51602 was published on 2026-01-16 and last updated on 2026-06-17.

CVE-2025-51602

CVE-2025-51602 is a medium-severity vulnerability with a CVSS 3.x base score of 4.8. 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-125.

Key facts

Severity: Medium (CVSS 3.x base score 4.8)
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-2904
Weakness: CWE-125
Published: 2026-01-16
Last modified: 2026-06-17

Description

mmstu.c in VideoLAN VLC media player before 3.0.22 allows an out-of-bounds read and denial of service via a crafted 0x01 response from an MMS server.

Frequently asked questions

What is CVE-2025-51602?: mmstu.c in VideoLAN VLC media player before 3.0.22 allows an out-of-bounds read and denial of service via a crafted 0x01 response from an MMS server.
How severe is CVE-2025-51602?: CVE-2025-51602 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2025-51602 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-51602?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-51602 have an EU (EUVD) identifier?: Yes. CVE-2025-51602 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2904.
When was CVE-2025-51602 published?: CVE-2025-51602 was published on 2026-01-16 and last updated on 2026-06-17.

References

Other CWE-125 (Out-of-bounds Read) vulnerabilities

CVE-2026-24826 — Critical (CVSS 10.0): Out-of-bounds Write, Divide By Zero, NULL Pointer Dereference, Use of Uninitialized Resource, Out-of-bounds Read,…
CVE-2024-22004 — Critical (CVSS 10.0): Due to length check, an attacker with privilege access on a Linux Nonsecure operating system can trigger a…
CVE-2021-41556 — Critical (CVSS 10.0): sqclass.cpp in Squirrel through 2.2.5 and 3.x through 3.1 allows an out-of-bounds read (in the core interpreter) that…
CVE-2021-21777 — Critical (CVSS 10.0): An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer…
CVE-2017-14451 — Critical (CVSS 10.0): An exploitable out-of-bounds read vulnerability exists in libevm (Ethereum Virtual Machine) of CPP-Ethereum. A…
CVE-2013-0767 — Critical (CVSS 10.0): The nsSVGPathElement::GetPathLengthScale function in Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and…

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