The _xrealloc function in xlsp_xmalloc.c in OpenSLP 2.0.0 allows remote attackers to…
Priority MEDIUM 41CWE-476Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-476.
Summary
The _xrealloc function in xlsp_xmalloc.c in OpenSLP 2.0.0 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a large number of crafted packets, which triggers a memory allocation failure.
Why it matters now
EPSS 0.0536 92nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Will not fix Red Hat: no fix planned
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Will not fix |
Timeline
- 2026-10-02 Threatist record created from CVE-2016-4912
- 2026-10-03 Alias added: GHSA-m4qh-6ff4-g5xx
References
More Openslp vulnerabilities
- TI-2019-03949 Out-of-bounds write in ESXi and Horizon DaaS KEVCVSS 3.1CRITICAL 9.8
- TI-2016-06431 Buffer overflow in the SLPFoldWhiteSpace function in common/slp_compare.c in OpenSLP 2.0… CVSS 3.1CRITICAL 9.8
- TI-2017-13070 OpenSLP releases in the 1.0.2 and 1.1.0 code streams have a heap-related memory… CVSS 3.0CRITICAL 9.8
- TI-2012-03770 openslp: SLPIntersectStringList()' Function has a DoS vulnerability CVSS 3.1HIGH 7.5
- TI-2015-04345 Double free vulnerability in the SLPDKnownDAAdd function in slpd/slpd_knownda.c in… CVSS 3.0HIGH 7.5
- TI-2010-03438 The extension parser in slp_v2message.c in OpenSLP 1.2.1, and other versions before SVN… CVSS 2.0MEDIUM 5.0
Sources
- CVE-2016-4912 · CVE Program
- CVE-2016-4912 · NVD
- FIRST EPSS
- GHSA-m4qh-6ff4-g5xx · GitHub Advisory Database · CC BY 4.0
- CVE-2016-4912 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences