Bug 2561025 (CVE-2026-104591)

Summary: CVE-2026-104591 libosmocore: libosmocore: Denial of Service via buffer overflow in osmo_iuup_compute_payload_crc()
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in libosmocore. A buffer overflow vulnerability exists in the osmo_iuup_compute_payload_crc() function during payload checksum calculation. A remote attacker could exploit this flaw to crash the application, resulting in a Denial of Service (DoS).
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2565843, 2565849, 2565852    
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Description OSIDB Bzimport 2026-10-26 19:01:56 UTC
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.