CVE-2021-43845

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Source
https://cve.org/CVERecord?id=CVE-2021-43845
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-43845.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-43845
Aliases
  • GHSA-r374-qrwv-86hh
Downstream
Published
2021-12-27T18:15:07.460Z
Modified
2026-05-16T04:03:06.999906457Z
Severity
  • 9.1 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H CVSS Calculator
Summary
[none]
Details

PJSIP is a free and open source multimedia communication library. In version 2.11.1 and prior, if incoming RTCP XR message contain block, the data field is not checked against the received packet size, potentially resulting in an out-of-bound read access. This affects all users that use PJMEDIA and RTCP XR. A malicious actor can send a RTCP XR message with an invalid packet size.

Database specific 
{
    "unresolved_ranges": [
        {
            "cpes": [
                "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
                "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*",
                "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
                {
                    "last_affected": "9.0"
                },
                {
                    "last_affected": "10.0"
                },
                {
                    "last_affected": "11.0"
                }
            ],
            "source": "CPE_FIELD"
        }
    ]
}
References

Affected packages