OpenSLP releases in the 1.0.2 and 1.1.0 code streams have a heap-related memory corruption issue which may manifest itself as a denial-of-se
OpenSLP releases in the 1.0.2 and 1.1.0 code streams have a heap-related memory corruption issue which may manifest itself as a denial-of-service or a remote code-execution vulnerability.
- Published
- Apr 23, 2018
- Updated
- Jun 16, 2026
- EPSS
- 3.8% · 90th percentile
- CWE
- CWE-119
Sign in to follow · You’ll be notified if a followed record enters KEV, gets an exploit or is updated.
Report tools
Action score
40
Plan
Add it to your regular patch cycle.
- CVSS
- 39 / 40 · 9.8 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 1 / 30 · 3.8%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| openslp | openslp | cpe:2.3:a:openslp:openslp |
| debian | debian linux | cpe:2.3:o:debian:debian_linux |
| canonical | ubuntu linux | cpe:2.3:o:canonical:ubuntu_linux |
| redhat | enterprise linux desktop | cpe:2.3:o:redhat:enterprise_linux_desktop |
| redhat | enterprise linux server | cpe:2.3:o:redhat:enterprise_linux_server |
| redhat | enterprise linux server aus | cpe:2.3:o:redhat:enterprise_linux_server_aus |
| redhat | enterprise linux server eus | cpe:2.3:o:redhat:enterprise_linux_server_eus |
| redhat | enterprise linux server tus | cpe:2.3:o:redhat:enterprise_linux_server_tus |
| redhat | enterprise linux workstation | cpe:2.3:o:redhat:enterprise_linux_workstation |
| lenovo | thinkserver rd350g firmware | cpe:2.3:o:lenovo:thinkserver_rd350g_firmware |
| lenovo | thinkserver rd350g | cpe:2.3:h:lenovo:thinkserver_rd350g |
| lenovo | thinkserver rd350x firmware | cpe:2.3:o:lenovo:thinkserver_rd350x_firmware |
and 49 more
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- canonical ubuntu linux14.04
- canonical ubuntu linux16.04
- debian debian linux7.0
- lenovo bm nextscale fan power controllerbefore 24p-2.15
- lenovo cmmbefore 1.8.0
- lenovo fan power controllerbefore 30r-1.13
- lenovo flex system fc3171 8gb san switch firmwarebefore 9.1.13.02.00
- lenovo imm1before 1.55
- lenovo imm2before 4.70
- lenovo storage n3310 firmwarebefore 4.53.351
- lenovo storage n4610 firmwarebefore 4.53.351
- lenovo thinkserver rd340 firmwarebefore 50.00
- lenovo thinkserver rd350 firmwarebefore 4.53.351
- lenovo thinkserver rd350g firmwareall versions
- lenovo thinkserver rd350x firmwareall versions
- lenovo thinkserver rd440 firmwareup to 50.00 inclusive
- lenovo thinkserver rd450 firmwarebefore 4.53.351
- lenovo thinkserver rd450x firmwareall versions
- lenovo thinkserver rd540 firmwarebefore 50.00
- lenovo thinkserver rd550 firmwarebefore 4.53.351
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:7 | openslp-dfsg | before 1.2.1-9+deb7u2 | 1.2.1-9+deb7u2 |
| Debian:8 | openslp-dfsg | before 1.2.1-10+deb8u2 | 1.2.1-10+deb8u2 |
| Red Hat:enterprise_linux:6::client | openslp | before 1:2.0.0-3.el6 | 1:2.0.0-3.el6 |
| Red Hat:enterprise_linux:6::client | openslp-debuginfo | before 1:2.0.0-3.el6 | 1:2.0.0-3.el6 |
| Red Hat:enterprise_linux:6::client | openslp-devel | before 1:2.0.0-3.el6 | 1:2.0.0-3.el6 |
| Red Hat:enterprise_linux:6::client | openslp-server | before 1:2.0.0-3.el6 | 1:2.0.0-3.el6 |
| Red Hat:enterprise_linux:7::client | openslp | before 1:2.0.0-7.el7_5 | 1:2.0.0-7.el7_5 |
| Red Hat:enterprise_linux:7::client | openslp-debuginfo | before 1:2.0.0-7.el7_5 | 1:2.0.0-7.el7_5 |
| Red Hat:enterprise_linux:7::client | openslp-devel | before 1:2.0.0-7.el7_5 | 1:2.0.0-7.el7_5 |
| Red Hat:enterprise_linux:7::client | openslp-server | before 1:2.0.0-7.el7_5 | 1:2.0.0-7.el7_5 |
| SUSE:Linux Enterprise Module for Basesystem 15 | openslp | before 2.0.0-6.3.1 | 2.0.0-6.3.1 |
| SUSE:Linux Enterprise Server 11-SECURITY | openslp-openssl1 | before 1.2.0-172.27.3.1 | 1.2.0-172.27.3.1 |
| SUSE:Linux Enterprise Software Development Kit 11 SP4 | openslp | before 1.2.0-172.27.3.1 | 1.2.0-172.27.3.1 |
| SUSE:OpenStack Cloud 7 | openslp | before 2.0.0-18.15.1 | 2.0.0-18.15.1 |
| SUSE:OpenStack Cloud 7 | openslp | before 2.0.0-18.17.1 | 2.0.0-18.17.1 |
Same product
openslp: all recordsOther highest-scoring records for the same primary product.
- CVE-2019-5544OpenSLP as used in ESXi and the Horizon DaaS appliances has a heap overwrite issue.KEV98Now
- CVE-2016-7567Buffer overflow in the SLPFoldWhiteSpace function in common/slp_compare.c in OpenSLP 2.0 allows remote attackers to have unspecified impact 43Plan
- CVE-2012-4428openslp: SLPIntersectStringList()' Function has a DoS vulnerability33Monitor
- CVE-2015-5177Double free vulnerability in the SLPDKnownDAAdd function in slpd/slpd_knownda.c in OpenSLP 1.2.1 allows remote attackers to cause a denial o32Monitor
- CVE-2016-4912The _xrealloc function in xlsp_xmalloc.c in OpenSLP 2.0.0 allows remote attackers to cause a denial of service (NULL pointer dereference and32Monitor
- CVE-2005-0769Multiple buffer overflows in OpenSLP before 1.1.5 allow remote attackers to have an unknown impact via malformed SLP packets.31Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| debian:openslp-dfsg | 1.2.1-9+deb7u2 · Debian:7 | Package registry (OSV) |
| red hat:openslp | 1:2.0.0-7.el7_5 · Red Hat:enterprise_linux:7::client | Package registry (OSV) |
| red hat:openslp-debuginfo | 1:2.0.0-7.el7_5 · Red Hat:enterprise_linux:7::client | Package registry (OSV) |
| red hat:openslp-devel | 1:2.0.0-7.el7_5 · Red Hat:enterprise_linux:7::client | Package registry (OSV) |
| red hat:openslp-server | 1:2.0.0-7.el7_5 · Red Hat:enterprise_linux:7::client | Package registry (OSV) |
| suse:openslp | 1.2.0-172.27.3.1 · SUSE:Linux Enterprise Software Development Kit 11 SP4 | Package registry (OSV) |
| suse:openslp-openssl1 | 1.2.0-172.27.3.1 · SUSE:Linux Enterprise Server 11-SECURITY | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory BufferCVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
- Buffer Overflow via Environment VariablesCAPEC-10likelihood: High · High
- Overflow BuffersCAPEC-100likelihood: High · Very High
- Buffer ManipulationCAPEC-123likelihood: High · Very High
- Client-side Injection-induced Buffer OverflowCAPEC-14likelihood: Medium · High
- Filter Failure through Buffer OverflowCAPEC-24likelihood: High · High
- MIME ConversionCAPEC-42likelihood: High · High
- Overflow Binary Resource FileCAPEC-44likelihood: High · Very High
- Buffer Overflow via Symbolic LinksCAPEC-45likelihood: High · High
ATT&CK techniques
—
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- support.lenovo.com/us/en/solutions/LEN-18247
- access.redhat.com/errata/RHSA-2018:2240
- access.redhat.com/errata/RHSA-2018:2308
- lists.debian.org/debian-lts-announce/2018/04/msg00029.html
- security.gentoo.org/glsa/202005-12
- sourceforge.net/p/openslp/mercurial/ci/151f07745901cbdba6e00e4889561b4083250da1/
- usn.ubuntu.com/3708-1/
Vendor advisories and official records. Exploit/PoC links are deliberately left out.