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TI-2007-01950 Aliases CVE-2007-2028GHSA-pmm2-rpqr-7h29

Memory leak in freeRADIUS 1.1.5 and earlier allows remote attackers to cause a denial of…

Priority LOW 28Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · Partial
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

Summary

Memory leak in freeRADIUS 1.1.5 and earlier allows remote attackers to cause a denial of service (memory consumption) via a large number of EAP-TTLS tunnel connections using malformed Diameter format attributes, which causes the authentication request to be rejected but does not reclaim VALUE_PAIR data structures.

Why it matters now

EPSS 0.02476 84th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:freeradius:freeradius:*:*:*:*:*:*:*:*up to 1.1.5Vulnerablefreeradius
  • cpe:2.3:a:freeradius:freeradius:*:*:*:*:*:*:*:* Versions up to 1.1.5 Vulnerable ·freeradius

Remediation

Red Hat 1 advisory

  • RHSA-2007:0338 Released 2007-05-10 · Red Hat rating Moderate
    freeradius security update
    • Red Hat Enterprise Linux (v. 5 server) freeradius-1.1.3-1.2.el5, freeradius-1.1.3-1.2.el5.i386, freeradius-1.1.3-1.2.el5.ia64 +13
    • Red Hat Enterprise Linux AS version 3 freeradius-1.0.1-2.RHEL3.4, freeradius-1.0.1-2.RHEL3.4.i386, freeradius-1.0.1-2.RHEL3.4.ia64 +1
    • Red Hat Enterprise Linux AS version 4 freeradius-1.0.1-3.RHEL4.5, freeradius-1.0.1-3.RHEL4.5.i386, freeradius-1.0.1-3.RHEL4.5.ia64 +13
    • Red Hat Enterprise Linux Desktop Workstation (v. 5 client) freeradius-1.1.3-1.2.el5, freeradius-1.1.3-1.2.el5.i386, freeradius-mysql-1.1.3-1.2.el5 +5
    • Red Hat Enterprise Linux ES version 3 freeradius-1.0.1-2.RHEL3.4, freeradius-1.0.1-2.RHEL3.4.i386, freeradius-1.0.1-2.RHEL3.4.ia64
    • Red Hat Enterprise Linux ES version 4 freeradius-1.0.1-3.RHEL4.5, freeradius-1.0.1-3.RHEL4.5.i386, freeradius-1.0.1-3.RHEL4.5.ia64 +9

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2007:0338
Red Hat Enterprise Linux AS version 3Fixed RHSA-2007:0338
Red Hat Enterprise Linux AS version 4Fixed RHSA-2007:0338
Red Hat Enterprise Linux Desktop Workstation (v. 5 client)Fixed RHSA-2007:0338
Red Hat Enterprise Linux ES version 3Fixed RHSA-2007:0338
Red Hat Enterprise Linux ES version 4Fixed RHSA-2007:0338

Timeline

  1. 2026-10-02 Threatist record created from CVE-2007-2028
  2. 2026-10-03 Alias added: GHSA-pmm2-rpqr-7h29

References

  • TI-2019-07466 Race condition in freeradius CVSS 3.1HIGH 7.0
  • TI-2024-03351 RADIUS Protocol under RFC2865 is vulnerable to forgery attacks. CVSS 3.1CRITICAL 9.0
  • TI-2019-08409 FreeRADIUS before 3.0.19 does not prevent use of reflection for authentication spoofing… CVSS 3.0CRITICAL 9.8
  • TI-2017-08061 An FR-GV-202 issue in FreeRADIUS 2.x before 2.2.10 allows "Write overflow in… CVSS 3.0CRITICAL 9.8
  • TI-2017-08066 An FR-GV-301 issue in FreeRADIUS 3.x before 3.0.15 allows "Write overflow in… CVSS 3.0CRITICAL 9.8
  • TI-2017-06599 The TLS session cache in FreeRADIUS 2.1.1 through 2.1.7, 3.0.x before 3.0.14, 3.1.x… CVSS 3.0CRITICAL 9.8
See all 46 →

Sources