Vulnerability · Published Jul 27, 2026 · Assigned by VulDB
CVE-2026-17512ggml-org whisper.cpp log_mel_spectrogram out-of-bounds
Low 3.3
In plain English
A low-severity out-of-bounds read in whisper.cpp from ggml-org. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities).
Severity (CVSS 3.1)3.3Low
Exploit odds (30 days)0.2%top 94.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A vulnerability has been found in ggml-org whisper.cpp 1.8.4-58. This impacts the function log_mel_spectrogram of the file src/whisper.cpp. The manipulation leads to out-of-bounds read. The attack needs to be performed locally. The pull request to fix this issue awaits acceptance.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:14 | whisper.cpp | no fix listed | DEBIAN-CVE-2026-17512 |
| Ubuntu:26.04:LTS | whisper.cpp | no fix listed | UBUNTU-CVE-2026-17512 |
| Ubuntu:26.10 | whisper.cpp | no fix listed | UBUNTU-CVE-2026-17512 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| ggml-org | whisper.cpp | 1.8.4-58 |
Weakness: CWE-125, CWE-119 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
References
- VDB-383382 | ggml-org whisper.cpp log_mel_spectrogram out-of-bounds vdb-entry, technical-description
- VDB-383382 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-17512 | CVE Analysis and Report third-party-advisory
- Submit #798905 | ggml-org whisper.cpp v1.8.4-58 Heap-based Buffer Overflow third-party-advisory
- https://github.com/ggml-org/whisper.cpp/issues/3923 issue-tracking
- https://github.com/ggml-org/whisper.cpp/pull/3925 issue-tracking, patch
- https://github.com/ggml-org/whisper.cpp/ product