How severe is CVE-2018-19504?

CVE-2018-19504 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-19504 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-19504?

CVE-2018-19504 affects Audiocoding Freeware Advanced Audio Decoder 2. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-19504?

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-2018-19504 published?

CVE-2018-19504 was published on 2018-11-23 and last updated on 2026-06-17.

CVE-2018-19504

CVE-2018-19504 is a high-severity vulnerability in Audiocoding Freeware Advanced Audio Decoder 2 with a CVSS 3.x base score of 7.8. 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: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Audiocoding Freeware Advanced Audio Decoder 2
Published: 2018-11-23
Last modified: 2026-06-17

Description

An issue was discovered in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.1. There is a NULL pointer dereference in ifilter_bank() in libfaad/filtbank.c.

Frequently asked questions

What is CVE-2018-19504?: An issue was discovered in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.1. There is a NULL pointer dereference in ifilter_bank() in libfaad/filtbank.c.
How severe is CVE-2018-19504?: CVE-2018-19504 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-19504 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-19504?: CVE-2018-19504 affects Audiocoding Freeware Advanced Audio Decoder 2. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-19504?: 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-2018-19504 published?: CVE-2018-19504 was published on 2018-11-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:audiocoding:freeware_advanced_audio_decoder_2:2.8.1:*:*:*:*:*:*:*

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