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TI-2007-04746 Aliases CVE-2007-4924GHSA-55xh-gq2p-rgv2

The Open Phone Abstraction Library (opal), as used by (1) Ekiga before 2.0.10 and (2)…

Priority LOW 36CWE-20Published · 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

The Open Phone Abstraction Library (opal), as used by (1) Ekiga before 2.0.10 and (2) OpenH323 before 2.2.4, allows remote attackers to cause a denial of service (crash) via an invalid Content-Length header field in Session Initiation Protocol (SIP) packets, which causes a \0 byte to be written to an "attacker-controlled address."

Why it matters now

EPSS 0.1068 95th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
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 · 2

CPEVersionsRoleVendor
cpe:2.3:a:ekiga:ekiga:*:*:*:*:*:*:*:*up to 2.0.9VulnerableEkiga
cpe:2.3:a:openh323_project:openh323:*:*:*:*:*:*:*:*up to 2.2.3VulnerableOpenh323 Project
  • cpe:2.3:a:ekiga:ekiga:*:*:*:*:*:*:*:* Versions up to 2.0.9 Vulnerable ·Ekiga
  • cpe:2.3:a:openh323_project:openh323:*:*:*:*:*:*:*:* Versions up to 2.2.3 Vulnerable ·Openh323 Project

Remediation

Red Hat 1 advisory

  • RHSA-2007:0957 Released 2007-10-08 · Red Hat rating Moderate
    opal security update
    • Red Hat Enterprise Linux Desktop (v. 5 client) opal-2.2.2-1.1.0.1, opal-2.2.2-1.1.0.1.i386
    • Red Hat Enterprise Linux Desktop Workstation (v. 5 client) opal-2.2.2-1.1.0.1, opal-devel-2.2.2-1.1.0.1, opal-devel-2.2.2-1.1.0.1.i386
    • Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) opal-2.2.2-1.1.0.1, opal-2.2.2-1.1.0.1.i386, opal-devel-2.2.2-1.1.0.1 +1

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2007:0957
Red Hat Enterprise Linux Desktop Workstation (v. 5 client)Fixed RHSA-2007:0957
Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server)Fixed RHSA-2007:0957

Timeline

  1. 2026-10-02 Threatist record created from CVE-2007-4924
  2. 2026-10-03 Alias added: GHSA-55xh-gq2p-rgv2

References

Exploit 1

Patch 2

Advisory 3

Other 7

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences