CVE-2026-28799

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Source
https://cve.org/CVERecord?id=CVE-2026-28799
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-28799.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-28799
Aliases
  • GHSA-8fj4-fv9f-hjpc
Downstream
Published
2026-03-06T06:36:55.109Z
Modified
2026-07-08T08:06:20.189577452Z
Severity
  • 8.7 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVSS Calculator
Summary
PJSIP: Heap use-after-free in PJSIP presence subscription termination handler
Details

PJSIP is a free and open source multimedia communication library written in C. Prior to version 2.17, a heap use-after-free vulnerability exists in PJSIP's event subscription framework (evsub.c) that is triggered during presence unsubscription (SUBSCRIBE with Expires=0). This issue has been patched in version 2.17.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/28xxx/CVE-2026-28799.json",
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-416"
    ]
}
References

Affected packages

Git / github.com/pjsip/pjproject

Affected ranges

Type
GIT
Repo
https://github.com/pjsip/pjproject
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
5a457451fa2712ba18e12b01738e8ff3af2b26fd
Fixed
e06ff6c64741cc1675fd3296615910f532f6b1a1
Database specific 
{
    "source": [
        "CPE_RANGE",
        "REFERENCES"
    ],
    "cpe": "cpe:2.3:a:pjsip:pjsip:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "2.17"
        }
    ]
}

Affected versions

2.*
2.10
2.11
2.12
2.13
2.14
2.15
2.16

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-28799.json"