How severe is CVE-2018-19887?

CVE-2018-19887 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-2018-19887 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-19887?

CVE-2018-19887 affects Audiocoding Freeware Advanced Audio Coder. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-19887?

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

When was CVE-2018-19887 published?

CVE-2018-19887 was published on 2018-12-06 and last updated on 2026-06-17.

CVE-2018-19887

CVE-2018-19887 is a medium-severity vulnerability in Audiocoding Freeware Advanced Audio Coder 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-119.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Audiocoding Freeware Advanced Audio Coder
Published: 2018-12-06
Last modified: 2026-06-17

Description

An invalid memory address dereference was discovered in the huffcode function (libfaac/huff2.c) in Freeware Advanced Audio Coder (FAAC) 1.29.9.2. The vulnerability causes a segmentation fault and application crash, which leads to denial of service in the book 4 case.

Frequently asked questions

What is CVE-2018-19887?: An invalid memory address dereference was discovered in the huffcode function (libfaac/huff2.c) in Freeware Advanced Audio Coder (FAAC) 1.29.9.2. The vulnerability causes a segmentation fault and application crash, which leads to denial of service in the book 4 case.
How severe is CVE-2018-19887?: CVE-2018-19887 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-2018-19887 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-19887?: CVE-2018-19887 affects Audiocoding Freeware Advanced Audio Coder. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-19887?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-19887 published?: CVE-2018-19887 was published on 2018-12-06 and last updated on 2026-06-17.

References

https://github.com/knik0/faac/issues/21

Affected products (1)

cpe:2.3:a:audiocoding:freeware_advanced_audio_coder:1.29.9.2:*:*:*:*:*:*:*

More vulnerabilities in Audiocoding Freeware Advanced Audio Coder

CVE-2018-19891 — Medium (CVSS 5.5): An invalid memory address dereference was discovered in the huffcode function (libfaac/huff2.c) in Freeware Advanced…
CVE-2018-19890 — Medium (CVSS 5.5): An invalid memory address dereference was discovered in the huffcode function (libfaac/huff2.c) in Freeware Advanced…
CVE-2018-19889 — Medium (CVSS 5.5): An invalid memory address dereference was discovered in the huffcode function (libfaac/huff2.c) in Freeware Advanced…
CVE-2018-19888 — Medium (CVSS 5.5): An invalid memory address dereference was discovered in the huffcode function (libfaac/huff2.c) in Freeware Advanced…
CVE-2018-19886 — Medium (CVSS 5.5): An invalid memory address dereference was discovered in the huffcode function (libfaac/huff2.c) in Freeware Advanced…
CVE-2017-9129 — Medium (CVSS 5.5): The wav_open_read function in frontend/input.c in Freeware Advanced Audio Coder (FAAC) 1.28 allows remote attackers to…

All CVEs affecting Audiocoding Freeware Advanced Audio Coder →

Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities

CVE-2026-2778 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in…
CVE-2026-2776 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability…
CVE-2025-1866 — Critical (CVSS 10.0): Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in warmcat libwebsockets allows…
CVE-2022-27625 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2022-27624 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2020-11896 — Critical (CVSS 10.0): The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.

Browse all CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities →