Bug 2532699 (CVE-2026-90779) - CVE-2026-90779 SIPp: SIPp: Denial of Service via oversized SIP authentication challenge parameters
Summary: CVE-2026-90779 SIPp: SIPp: Denial of Service via oversized SIP authentication...
Keywords:
Status: NEW
Alias: CVE-2026-90779
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2532928
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-09-13 11:51 UTC by OSIDB Bzimport
Modified: 2026-09-14 07:16 UTC (History)
0 users

Fixed In Version:
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Description OSIDB Bzimport 2026-09-13 11:51:30 UTC 
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.
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