CVE-2026-104591
libosmocore: libosmocore: Denial of Service via buffer overflow in osmo_iuup_compute_payload_crc()
Published Oct 26, 2026
CVSS 3.1 · 7.5 High
EPSS < 1%
KEV · Not listed
Description
libosmocore through 1.14.1 contains a buffer overflow in osmo_iuup_compute_payload_crc() in src/gsm/iuup.c. This allows a remote attacker to cause a denial of service.
Affected Products
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CVE record
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NVD configurations
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Red Hat packages
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OpenCVE enrichment
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Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
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| n/a | n/a | affected |
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Remediation
Tracking
Advisories
Metrics
No CVSS v4.0
Attack Vector Network
Attack Complexity Low
Privileges Required None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
User Interaction None
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.452% probability within 30 days)
Exploitation none
Automatable yes
Technical Impact partial
References
History
Oct 30, 2026 12:30 PM
Title updated. Weaknesses updated. Added references. Scoring metrics updated
View changes
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Buffer Overflow in libosmocore Enabling Remote Denial of Service | libosmocore: libosmocore: Denial of Service via buffer overflow in osmo_iuup_compute_payload_crc() |
| Weaknesses | CWE-787 | |
| References |
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| Metrics |
threat_severity
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threat_severity
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Oct 30, 2026 3:15 AM
Title updated
View changes
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Buffer Overflow in libosmocore Enabling Remote Denial of Service |
Oct 29, 2026 11:15 PM
Title updated. Weaknesses updated
View changes
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Buffer Overflow in libosmocore IUUP CRC Function Leading to Denial of Service | |
| Weaknesses | CWE-120 |
Oct 29, 2026 9:30 PM
Weaknesses updated. Scoring metrics updated
View changes
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-400 | |
| Metrics |
cvssV3_1
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Oct 26, 2026 9:15 PM
Title updated. Weaknesses updated
View changes
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Buffer Overflow in libosmocore IUUP CRC Function Leading to Denial of Service | |
| Weaknesses | CWE-120 |
Oct 26, 2026 7:00 PM
Description updated. Added references
View changes
| Type | Values Removed | Values Added |
|---|---|---|
| Description | libosmocore through 1.14.1 contains a buffer overflow in osmo_iuup_compute_payload_crc() in src/gsm/iuup.c. This allows a remote attacker to cause a denial of service. | |
| References |
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Subscriptions
No data.
