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CVE-2016-4912

26
FAUCET Score

CVE-2016-4912 describes a denial-of-service vulnerability in OpenSLP 2.0.0, specifically within the _xrealloc function, which can be triggered by remote attackers. This vulnerability carries a CVSS v3 score of 7.5 (HIGH), indicating it can be exploited over the network with low attack complexity to cause a complete loss of availability through a NULL pointer dereference and system crash. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.0.0CPE matchmatch criteria
cpe:2.3:a:openslp:openslp:2.0.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
5.36%
Probability of exploitation in next 30 days
EPSS Percentile
91.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0536 is in the 86th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

microsoftpatch availablevia msrc
Product: 16874-16823Fixed in: 2.0.0-26
microsoftpatch availablevia msrc
Product: cbl2 openslp 2.0.0-26 on CBL Mariner 2.0Fixed in: 2.0.0-26
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: openslp
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: openslp

Vendor Advisories (2)

microsoft2017-Mar/CVE-2016-4912Important

The _xrealloc function in xlsp_xmalloc.c in OpenSLP 2.0.0 allows remote attackers to cause a denial of service

Mar 14, 2017
redhatCVE-2016-4912Moderate

openslp: null pointer dereference in _xrealloc() function

May 18, 2016

References

bugzilla.redhat.com / show_bug.cgi
ExploitIssue TrackingThird Party AdvisoryVDB Entry
security.gentoo.org / glsa/201707-05
openwall.com / lists/oss-security/2016/05/18/6
Mailing ListThird Party Advisory
securitytracker.com / id/1035916
Third Party AdvisoryVDB Entry