TI-2010-00555 Aliases CVE-2010-0583 GHSA-xv9p-fx29-877q

Memory leak in the H.323 implementation in Cisco IOS 12.1 through 12.4, and 15.0M before…

MEDIUM 40CWE-399Published 2010-03-25 · Updated 2024-08-07

Key facts

Attack vector: Network
Privileges required: None
User interaction: — Not recorded in CVSS 2.0
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · Complete
Fix status: No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-399 and the CVSS impact.

Summary

Memory leak in the H.323 implementation in Cisco IOS 12.1 through 12.4, and 15.0M before 15.0(1)M1, allows remote attackers to cause a denial of service (memory consumption and device reload) via malformed H.323 packets, aka Bug ID CSCtb93855.

Why it matters now

EPSS 0.03054 87th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

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

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:o:cisco:ios:12.1xu:::::::*	12.1xu	Vulnerable	Cisco
cpe:2.3:o:cisco:ios:12.1yd:::::::*	12.1yd	Vulnerable	Cisco
cpe:2.3:o:cisco:ios:12.2b:::::::*	12.2b	Vulnerable	Cisco

cpe:2.3:o:cisco:ios:12.1xu:*:*:*:*:*:*:* Versions 12.1xu Vulnerable ·Cisco
cpe:2.3:o:cisco:ios:12.1yd:*:*:*:*:*:*:* Versions 12.1yd Vulnerable ·Cisco
cpe:2.3:o:cisco:ios:12.2b:*:*:*:*:*:*:* Versions 12.2b Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2010-0583
2026-10-03 Alias added: GHSA-xv9p-fx29-877q

References

Patch 1

20100324 Cisco IOS Software H.323 Denial of Service Vulnerabilities

Other 2

TI-2018-00138 Improper input validation in Cisco IOS and IOS XE KEVCVSS 3.1CRITICAL 9.8
TI-2017-09019 Improper input validation in Cisco IOS and IOS XE KEVCVSS 3.1CRITICAL 9.8
TI-2017-02977 Improper input validation in Cisco IOS and IOS XE Software KEVCVSS 3.1CRITICAL 9.8
TI-2018-00135 Memory corruption in Cisco IOS, IOS XE, and IOS XR KEVCVSS 3.1HIGH 8.8
TI-2017-04499 Memory corruption in Cisco IOS KEVCVSS 3.1HIGH 8.8
TI-2017-04498 Memory corruption in Cisco IOS KEVCVSS 3.1HIGH 8.8

See all 617 →

Sources

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