PT-2026-49833 · Canonical · Librabbitmq

Published 2026-06-11 · Updated 2026-06-16 · CVE-2026-44236

OSV

It was discovered that rabbitmq-c exposed credentials in command-line arguments under certain circumstances. A local attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2023-35789)

It was discovered that rabbitmq-c incorrectly handled AMQP frame lengths under certain circumstances, which could lead to an out-of-bounds read. A remote attacker could possibly use this issue to cause rabbitmq-c to crash, resulting in a denial of service. (CVE-2026-44235)

It was discovered that rabbitmq-c incorrectly handled AMQP login handshakes under certain circumstances, which could lead to a heap buffer overflow. A remote attacker could possibly use this issue to cause rabbitmq-c to crash, resulting in a denial of service, or execute arbitrary code. (CVE-2026-44236)

Related Identifiers

CVE-2026-44236

USN-8437-1

Affected Products

Librabbitmq

References · 9

• https://ubuntu.com/security/notices/USN-8437-1 · Vendor Advisory
• https://osv.dev/vulnerability/USN-8437-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-44236 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-44236 · Security Note
• https://ubuntu.com/security/CVE-2023-35789 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-44235 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-44236 · Vendor Advisory
• https://github.com/alanxz/rabbitmq-c/security/advisories/GHSA-jh48-qjf5-fx5v · Note
• https://twitter.com/threatcluster/status/2066936604665479330 · Twitter Post