A Divide by Zero vulnerability in the function static int read_samples of Speex v1.2…
Priority LOW 27CWE-369Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 2 fixed, 3 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-369.
Summary
A Divide by Zero vulnerability in the function static int read_samples of Speex v1.2 allows attackers to cause a denial of service (DoS) via a crafted WAV file.
Why it matters now
EPSS 0.01011 63rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Red Hat: 1 advisoryRed Hat: 2 fixed, 3 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:xiph:speex:1.2:-:*:*:*:*:*:* | 1.2 | Vulnerable | xiph |
| cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* | 34 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* | 35 | Vulnerable | Fedoraproject |
- cpe:2.3:a:xiph:speex:1.2:-:*:*:*:*:*:* Versions 1.2 Vulnerable ·xiph
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* Versions 34 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* Versions 35 Vulnerable ·Fedoraproject
Remediation
Red Hat 1 advisory
- RHSA-2022:7979 Released 2022-11-15 · Red Hat rating Lowspeex security update
- Red Hat CodeReady Linux Builder (v. 9) speex-devel-1.2.0-11.el9
- Red Hat Enterprise Linux AppStream (v. 9) speex-1.2.0-11.el9
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 8 | Affected | No fix yet: Fix deferred |
| Red Hat CodeReady Linux Builder (v. 9) | Fixed | RHSA-2022:7979 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2022:7979 |
Timeline
- 2026-10-02 Threatist record created from CVE-2020-23903
- 2026-10-03 Alias added: GHSA-r85g-7qgq-6wrq
References
Sources
- CVE-2020-23903 · CVE Program
- CVE-2020-23903 · NVD
- FIRST EPSS
- GHSA-r85g-7qgq-6wrq · GitHub Advisory Database · CC BY 4.0
- CVE-2020-23903 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences