The LZH decompression implementation (CsObjectInt::BuildHufTree function in vpa108csulzh.cpp) in SAP MaxDB 7.5 and 7.6, Netweaver Applicatio
The LZH decompression implementation (CsObjectInt::BuildHufTree function in vpa108csulzh.cpp) in SAP MaxDB 7.5 and 7.6, Netweaver Application Server ABAP, Netweaver Application Server Java, Netweaver RFC SDK, GUI, RFC SDK, SAPCAR archive tool, and other products allows context-dependent attackers to cause a denial of service (out-of-bounds read) via unspecified vectors, related to look-ups of non-simple codes, aka SAP Security Note 2124806, 2121661, 2127995, and 2125316.
- Published
- Jun 2, 2015
- Updated
- Jun 16, 2026
- EPSS
- 2.1% · 81th percentile
- CWE
- CWE-119
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Report tools
Action score
21
Monitor
Low priority for now.
- CVSS
- 20 / 40 · 5.0 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 1 / 30 · 2.1%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| sap | gui | cpe:2.3:a:sap:gui |
| sap | maxdb | cpe:2.3:a:sap:maxdb |
| sap | netweaver abap application server | cpe:2.3:a:sap:netweaver_abap_application_server |
| sap | netweaver java application server | cpe:2.3:a:sap:netweaver_java_application_server |
| sap | netweaver rfc sdk | cpe:2.3:a:sap:netweaver_rfc_sdk |
| sap | rfc library | cpe:2.3:a:sap:rfc_library |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- sap guiall versions
- sap maxdb7.5
- sap maxdb7.6
- sap netweaver abap application serverall versions
- sap netweaver java application serverall versions
- sap netweaver rfc sdkall versions
- sap rfc libraryall versions
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| SUSE:Linux Enterprise Server for SAP Applications 11 SP4 | clamsap | before 0.98.9-0.7.1 | 0.98.9-0.7.1 |
| SUSE:Linux Enterprise Server for SAP Applications 12 | clamsap | before 0.98.9-4.1 | 0.98.9-4.1 |
Same product
sap: all recordsOther highest-scoring records for the same primary product.
- CVE-2015-2282Stack-based buffer overflow in the LZC decompression implementation (CsObjectInt::CsDecomprLZC function in vpa106cslzc.cpp) in SAP MaxDB 7.531Monitor
- CVE-2022-41205SAP GUI allows an authenticated attacker to execute scripts in the local network.24Monitor
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 |
|---|---|---|
| suse:clamsap | 0.98.9-4.1 · SUSE:Linux Enterprise Server for SAP Applications 12 | 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
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- none
- Integrity
- none
- Availability
- P · the service can be disrupted
- Attack complexity
- Low
- Confidentiality impact
- None
- Integrity impact
- None
- Availability impact
- P
Weakness class (CWE)
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory BufferCVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
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✗ → ✓
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References
Vendor advisories and official records. Exploit/PoC links are deliberately left out.