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CVE-2015-2278: The LZH decompression implementation (CsObjectInt::BuildHufTree function in vpa108csulzh.cpp) in SAP MaxDB 7.5

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MEDIUM 5.0MITIGATEDOWNGRADEMITIGATE

CVE-2015-2278 is a medium-severity flaw (CVSS 5.0) affecting gui, maxdb, netweaver abap application server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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, 21216

Why this priority

  • Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score5.0 (Medium)
EPSS exploit chance2.1% (top 18%)
CISA exploited listNo
WeaknessCWE-119
Published2015-06-02
Last modified2026-06-17
Publisher (CNA): MITRE · Vendor: sap

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Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

sap gui MITIGATE
Affected: all versions
Fixed in: no fixed release known
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy gui || rpm -q gui || gui --version
No fixed or unaffected release known
Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.
sap maxdb DOWNGRADE
Affected: 7.5 · 7.6
Fixed in: no fixed release known
Safe to downgrade to: a release before 7.5
1. Check installed version
apt-cache policy maxdb || rpm -q maxdb || maxdb --version
2. No fixed release: DOWNGRADE to a release before 7.5 (Debian / Ubuntu)
apt-cache madison maxdb sudo apt install maxdb=<VERSION_BEFORE_7.5> sudo apt-mark hold maxdb
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list maxdb sudo dnf downgrade maxdb-<VERSION_BEFORE_7.5> sudo dnf versionlock add maxdb
Downgrade risk
Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.
After downgrade
Restart the service, and keep the package held until a fixed release ships.
sap netweaver abap application server MITIGATE
Affected: all versions
Fixed in: no fixed release known
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy netweaver-abap-application-server || rpm -q netweaver-abap-application-server || netweaver-abap-application-server --version
No fixed or unaffected release known
Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.
sap netweaver java application server MITIGATE
Affected: all versions
Fixed in: no fixed release known
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy netweaver-java-application-server || rpm -q netweaver-java-application-server || netweaver-java-application-server --version
No fixed or unaffected release known
Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.
sap netweaver rfc sdk MITIGATE
Affected: all versions
Fixed in: no fixed release known
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy netweaver-rfc-sdk || rpm -q netweaver-rfc-sdk || netweaver-rfc-sdk --version
No fixed or unaffected release known
Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.
sap rfc library MITIGATE
Affected: all versions
Fixed in: no fixed release known
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy rfc-library || rpm -q rfc-library || rfc-library --version
No fixed or unaffected release known
Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2015-2278?

gui: mitigate or apply the listed mitigation; maxdb: downgrade or apply the listed mitigation; netweaver abap application server: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2015-2278 being exploited?

CVE-2015-2278 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2015-2278 affect?

CVE-2015-2278 affects gui, maxdb, netweaver abap application server. Severity is medium (CVSS 5.0). 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 to

How urgent is CVE-2015-2278?

Priority 43/100. Public exploit reference

Software pages

Java vulnerabilities · SAP vulnerabilities

Related CVEs

References

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