How severe is CVE-2022-28488?

CVE-2022-28488 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2022-28488 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-28488?

CVE-2022-28488 affects Libwav Project Libwav. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-28488?

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-2022-28488 published?

CVE-2022-28488 was published on 2022-05-04 and last updated on 2026-06-17.

CVE-2022-28488

CVE-2022-28488 is a high-severity vulnerability in Libwav Project Libwav with a CVSS 3.x base score of 7.5. 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-908.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-908
Affected product: Libwav Project Libwav
Published: 2022-05-04
Last modified: 2026-06-17

Description

The function wav_format_write in libwav.c in libwav through 2017-04-20 has an Use of Uninitialized Variable vulnerability.

Frequently asked questions

What is CVE-2022-28488?: The function wav_format_write in libwav.c in libwav through 2017-04-20 has an Use of Uninitialized Variable vulnerability.
How severe is CVE-2022-28488?: CVE-2022-28488 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2022-28488 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-28488?: CVE-2022-28488 affects Libwav Project Libwav. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-28488?: 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-2022-28488 published?: CVE-2022-28488 was published on 2022-05-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:libwav_project:libwav:*:*:*:*:*:*:*:*

More vulnerabilities in Libwav Project Libwav

CVE-2018-14051 — High (CVSS 7.5): The function wav_read in libwav.c in libwav through 2017-04-20 has an infinite loop.
CVE-2019-19698 — Medium (CVSS 6.5): marc-q libwav through 2017-04-20 has a NULL pointer dereference in wav_content_read() at libwav.c.
CVE-2019-16348 — Medium (CVSS 6.5): marc-q libwav through 2017-04-20 has a NULL pointer dereference in gain_file() at wav_gain.c.
CVE-2018-14549 — Medium (CVSS 6.5): An issue has been found in libwav through 2017-04-20. It is a SEGV in the function wav_write in libwav.c.
CVE-2018-14052 — Medium (CVSS 6.5): An issue has been found in libwav through 2017-04-20. It is a SEGV in the function apply_gain in wav_gain/wav_gain.c.
CVE-2018-14050 — Medium (CVSS 6.5): An issue has been found in libwav through 2017-04-20. It is a SEGV in the function wav_free in libwav.c.

All CVEs affecting Libwav Project Libwav →

Other CWE-908 (Use of Uninitialized Resource) vulnerabilities

CVE-2025-1942 — Critical (CVSS 9.8): When String.toUpperCase() caused a string to get longer it was possible for uninitialized memory to be incorporated…
CVE-2024-47540 — Critical (CVSS 9.8): GStreamer is a library for constructing graphs of media-handling components. An uninitialized stack variable…
CVE-2024-32611 — Critical (CVSS 9.8): HDF5 Library through 1.14.3 may use an uninitialized value in H5A__attr_release_table in H5Aint.c.
CVE-2023-24941 — Critical (CVSS 9.8): Windows Network File System Remote Code Execution Vulnerability
CVE-2022-26437 — Critical (CVSS 9.8): In httpclient, there is a possible out of bounds write due to uninitialized data. This could lead to remote escalation…
CVE-2021-45703 — Critical (CVSS 9.8): An issue was discovered in the tectonic_xdv crate before 0.1.12 for Rust. XdvParser::<T>::process may read from…

Browse all CWE-908 (Use of Uninitialized Resource) vulnerabilities →