# Irontec Sngrep vulnerabilities

Source: https://junglewise.ai/threats/technologies/sngrep  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 12 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/sngrep.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 3 vulnerabilities in Irontec Sngrep: 0 in the last 7 days and 3 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-121944, was published on 4 November 2026. 2 vulnerabilities in the last four weeks, up from none in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 2
- Last 90 days: 3
- All time: 3 (1 critical, 0 exploited in the wild)

## About Irontec Sngrep

Command-line utility for capturing, parsing and displaying SIP protocol messages.

## Latest Irontec Sngrep vulnerabilities

- [CVE-2026-121944: sngrep infinite loop in capture_packet_reasm_ip](https://junglewise.ai/threats/cve-2026-121944-sngrep-through-1-9-0-contains-an-infinite-loop-vulnerability-in) (medium, CVSS 5.5, published 4 Nov 2026)
- [CVE-2026-121943: Irontec sngrep out-of-bounds stack read in SIP parser](https://junglewise.ai/threats/cve-2026-121943-irontec-sngrep-through-1-9-0-contains-an-out-of-bounds-stack) (medium, CVSS 4.8, published 4 Nov 2026)
- [CVE-2026-90558: sngrep stack buffer overflow in SIP header formatting](https://junglewise.ai/threats/cve-2026-90558-sngrep-stack-buffer-overflow-in-sip-header-formatting) (critical, CVSS 9.8, published 12 Sep 2026)

## Most severe Irontec Sngrep vulnerabilities

- [CVE-2026-90558: sngrep stack buffer overflow in SIP header formatting](https://junglewise.ai/threats/cve-2026-90558-sngrep-stack-buffer-overflow-in-sip-header-formatting) (critical, CVSS 9.8, published 12 Sep 2026)
- [CVE-2026-121944: sngrep infinite loop in capture_packet_reasm_ip](https://junglewise.ai/threats/cve-2026-121944-sngrep-through-1-9-0-contains-an-infinite-loop-vulnerability-in) (medium, CVSS 5.5, published 4 Nov 2026)
- [CVE-2026-121943: Irontec sngrep out-of-bounds stack read in SIP parser](https://junglewise.ai/threats/cve-2026-121943-irontec-sngrep-through-1-9-0-contains-an-out-of-bounds-stack) (medium, CVSS 4.8, published 4 Nov 2026)

## Vulnerabilities per week

2 vulnerabilities in the last four weeks, up from none in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 1 | 1 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 2 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Irontec Sngrep vulnerabilities", https://junglewise.ai/threats/technologies/sngrep, 12 November 2026.