HIGH
The function wav_format_write in libwav.c in libwav through 2017-04-20 has an Use of Uninitialized Variable vulnerability
Published May 4, 2022
7.5
HIGHCVSS 3.1
EPSS 1.23%
Description
The function wav_format_write in libwav.c in libwav through 2017-04-20 has an Use of Uninitialized Variable vulnerability.
Affected products
No data.
- ≤ 2017-04-20
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
7.5 HIGH NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact None
Availability Impact None
No CVSS v3.0 score for this CVE.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:P/I:N/A:N
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.23% 0.01227
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
EPSS probability 0.01227
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 1.23% (0.01227) | 67.83th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.15% (0.01149) | 62.59th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.11% (0.00115) | 27.75th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.27% (0.00267) | 68.51th | v3 (v2023.03.01) |
| Nov 25, 2023 | 0.22% (0.00216) | 59.47th | v3 (v2023.03.01) |
| Oct 15, 2023 | 0.19% (0.00192) | 56.46th | v3 (v2023.03.01) |
| Jun 6, 2023 | 0.18% (0.00175) | 53.27th | v3 (v2023.03.01) |
| May 11, 2023 | 0.15% (0.00155) | 50.52th | v3 (v2023.03.01) |
| Apr 4, 2023 | 0.13% (0.00126) | 45.63th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.11% (0.00110) | 42.36th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Oct 18, 2022 | 0.89% (0.00885) | 26.63th | v2 (v2022.01.01) |
| May 5, 2022 | 0.89% (0.00885) | 24.62th | v2 (v2022.01.01) |
Weaknesses (1)
References (2)
- https://github.com/marc-q/libwav/issues/29 x_refsource_MISCExploitIssue TrackingPatchThird Party Advisory
- https://github.com/tin-z/Stuff_and_POCs/blob/main/poc_libwav/POC x_refsource_MISCExploitThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/marc-q/libwav/issues/29 | x_refsource_MISCExploitIssue TrackingPatchThird Party Advisory | |
| https://github.com/tin-z/Stuff_and_POCs/blob/main/poc_libwav/POC | x_refsource_MISCExploitThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published May 4, 2022
Updated Aug 3, 2024
Reserved Apr 4, 2022
Link CVE-2022-28488
CISA Vulnrichment
Updated n/a