openslp: null pointer dereference in _xrealloc() function
Published Mar 27, 2017
7.5
HIGHCVSS 3.0
EPSS 5.36%
Description
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.
Affected products
No data.
No data.
Red Hat Enterprise Linux 6
openslp
Will not fix
Red Hat Enterprise Linux 7
openslp
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | openslp | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | openslp | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.36% (0.05360) | 92.39th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.26% (0.05259) | 91.46th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.78% (0.00785) | 71.54th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.94% (0.02936) | 77.36th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.78% (0.00785) | 72.11th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.19% (0.00189) | 57.62th | v3 (v2023.03.01) |
| Jul 10, 2024 | 0.19% (0.00189) | 56.61th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.19% (0.00189) | 54.58th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
References (7)
- http://www.openwall.com/lists/oss-security/2016/05/18/6 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.securitytracker.com/id/1035916 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2016-4912 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1329295 x_refsource_CONFIRMExploitIssue TrackingThird Party AdvisoryVDB Entry
- https://nvd.nist.gov/vuln/detail/CVE-2016-4912
- https://security.gentoo.org/glsa/201707-05 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2016-4912
| Link | Providers | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2016/05/18/6 | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| http://www.securitytracker.com/id/1035916 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2016-4912 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1329295 | x_refsource_CONFIRMExploitIssue TrackingThird Party AdvisoryVDB Entry | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-4912 | ||
| https://security.gentoo.org/glsa/201707-05 | vendor-advisoryx_refsource_GENTOO | |
| https://www.cve.org/CVERecord?id=CVE-2016-4912 |
Change history (0)
No recorded changes yet.