VDB

CVE-2026-28799

CVE-2026-28799 PUBLISHED CVSS 8.699999809265137 HIGH

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.

EPSS 0.06% · 19.8th percentile

Risk Scores

CVSS v4.0
8.699999809265137
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
EPSS Score
0.06%
19.8th percentile

Affected Products

VendorProductVersions
pjsippjproject< 2.17, < 2.17, *
pjsippjsip0, 0, 0

Timeline

  • Mar 3, 2026 CVE ID Reserved
  • Mar 6, 2026 EPSS Score
  • Mar 6, 2026 CVE Published
  • Mar 6, 2026 PoC Published
  • Mar 7, 2026 EPSS Score
  • Mar 8, 2026 EPSS Score
  • Mar 9, 2026 CVE Updated
  • Mar 10, 2026 EPSS Score
  • Mar 11, 2026 EPSS Score
  • Mar 12, 2026 EPSS Score
  • Mar 13, 2026 EPSS Score
  • Mar 14, 2026 EPSS Score

References

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