CVE-2026-0710
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedA flaw was found in SIPp. A remote attacker could exploit this by sending specially crafted Session Initiation Protocol (SIP) messages during an active call. This vulnerability, a NULL pointer dereference, can cause the application to crash, leading to a denial of service. Under specific conditions, it may also allow an attacker to execute unauthorized code, compromising the system's integrity and availability.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceSIPp contains a NULL pointer dereference vulnerability in its SIP message parsing logic. A remote attacker can send specially crafted SIP messages during an active call to trigger the vulnerability, causing application crash (denial of service). Under specific conditions, this may also allow arbitrary code execution.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Local
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify SIPp installationRun command: which sipp or dpkg -l | grep sipp or rpm -qa | grep sipp to locate the SIPp binaryAffected if SIPp is not installed on the system, the vulnerability does not apply
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Determine SIPp versionRun command: sipp -v or sipp --version to retrieve the installed version numberAffected if The installed version falls within an affected range (prior to patch) - compare your version to the fixed release from your vendor
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Verify SIPp service exposureCheck running processes: ps aux | grep sipp and inspect network listeners: netstat -tlnp | grep sipp or ss -tlnp | grep sipp to see if SIPp is bound to any network interfaceAffected if SIPp is actively listening on network interfaces (especially public/exposed IPs), making it reachable for remote attack
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Confirm SIP message handling is enabledReview SIPp startup scripts or configuration files (typically in /etc/sipp/, /opt/sipp/, or alongside the binary) for scenarios that enable SIP message parsing such as running as a server (-sn option) or handling incoming callsAffected if SIPp is configured to process incoming SIP messages or handle call scenarios, enabling the vulnerable parsing code path
If SIPp is installed with an unpatched version listening on network interfaces and configured to handle SIP traffic, the environment is potentially affected by this CVE.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataApply vendor patches when available. In the interim, restrict SIPp exposure to trusted networks and implement rate limiting on SIP message processing to reduce attack surface.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA4.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-0710 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2026-0710 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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