CVE-2026-90558: sngrep through 1.8.4 Stack Buffer Overflow via SIP Headers
irontec · sngrep
Vendor fix available · Affected: irontec sngrep · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 59% of scored CVEs
DescriptionCVE.org
sngrep through 1.8.4 contains stack buffer overflow vulnerabilities in SIP attribute formatting routines when header values exceed the 255-byte buffer limit. Attackers can craft malicious SIP packets with oversized Call-ID, X-Call-ID, or other header fields to overflow stack buffers and cause crashes or execute arbitrary code during packet parsing and rendering.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- irontec · sngrepup to and including 1.8.4
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- irontec
- Published
- September 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-90558 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.