How severe is CVE-2019-15151?

CVE-2019-15151 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-15151 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-15151?

CVE-2019-15151 primarily affects Adplug Project Adplug. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-15151?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2019-15151 published?

CVE-2019-15151 was published on 2019-08-18 and last updated on 2026-06-17.

CVE-2019-15151

CVE-2019-15151 is a critical-severity vulnerability in Adplug Project Adplug with a CVSS 3.x base score of 9.8. 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-415.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-415
Affected product: Adplug Project Adplug
Published: 2019-08-18
Last modified: 2026-06-17

Description

AdPlug 2.3.1 has a double free in the Cu6mPlayer class in u6m.h.

Frequently asked questions

What is CVE-2019-15151?: AdPlug 2.3.1 has a double free in the Cu6mPlayer class in u6m.h.
How severe is CVE-2019-15151?: CVE-2019-15151 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-15151 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-15151?: CVE-2019-15151 primarily affects Adplug Project Adplug. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-15151?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-15151 published?: CVE-2019-15151 was published on 2019-08-18 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:adplug_project:adplug:2.3.1:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*

More vulnerabilities in Adplug Project Adplug

CVE-2018-17825 — Critical (CVSS 9.8): An issue was discovered in AdPlug 2.3.1. There are several double-free vulnerabilities in the CEmuopl class in…
CVE-2019-14734 — High (CVSS 8.8): AdPlug 2.3.1 has multiple heap-based buffer overflows in CmtkLoader::load() in mtk.cpp.
CVE-2019-14733 — High (CVSS 8.8): AdPlug 2.3.1 has multiple heap-based buffer overflows in CradLoader::load() in rad.cpp.
CVE-2019-14732 — High (CVSS 8.8): AdPlug 2.3.1 has multiple heap-based buffer overflows in Ca2mLoader::load() in a2m.cpp.
CVE-2019-14692 — High (CVSS 8.8): AdPlug 2.3.1 has a heap-based buffer overflow in CmkjPlayer::load() in mkj.cpp.
CVE-2019-14691 — High (CVSS 8.8): AdPlug 2.3.1 has a heap-based buffer overflow in CdtmLoader::load() in dtm.cpp.

All CVEs affecting Adplug Project Adplug →

Other CWE-415 (Double Free) vulnerabilities

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CVE-2026-84561 — Critical (CVSS 9.8): A double free issue was addressed with improved memory management. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS…
CVE-2026-77493 — Critical (CVSS 9.8): Double free in Microsoft Graphics Component allows an unauthorized attacker to execute code over a network.
CVE-2026-64387 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: smb: client: fix query directory replay…
CVE-2026-64386 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: smb: client: fix query_info() replay…

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