High
SIPp through 3.7.7 Stack Buffer Overflow via createAuthHeader Algorithm Parameter
SIPp through 3.7.7 contains a stack buffer overflow vulnerability in createAuthHeader() when processing SIP authentication challenges with oversized algorithm parameters. A malicious SIP server can send a crafted 401 or 407 challenge to corrupt the stack and crash the client process.
Announced Source revision 1
Original source ↗CVE-2026-90779
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-90779
sipp
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://github.com/SIPp/sipp",
"vendor": "SIPp",
"product": "sipp",
"versions": [
{
"status": "affected",
"version": "0",
"versionType": "semver",
"lessThanOrEqual": "3.7.7"
}
],
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-90779
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #1637 · Revision 1
- Added to Heist Feed
- Publisher date