CVE-2002-2102
InfBlocks.java in JCraft JZlib before 0.0.7 allow remote attackers to cause a denial of service ...
InfBlocks.java in JCraft JZlib before 0.0.7 allow remote attackers to cause a denial of service (NullPointerException) via an invalid block of deflated data.
Exploit likelihood
What each source reports
NVD Score used
InfBlocks.java in JCraft JZlib before 0.0.7 allow remote attackers to cause a denial of service (NullPointerException) via an invalid block of deflated data.
- Record
CVE-2002-2102- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
InfBlocks.java in JCraft JZlib before 0.0.7 allow remote attackers to cause a denial of service (NullPointerException) via an invalid block of deflated data.
- Record
CVE-2002-2102- Updated
- 2026-11-02
EUVDEUVD-2002-2081 No score
InfBlocks.java in JCraft JZlib before 0.0.7 allow remote attackers to cause a denial of service (NullPointerException) via an invalid block of deflated data.
- Record
EUVD-2002-2081- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-527c-8rxj-jcj9 No score
InfBlocks.java in JCraft JZlib before 0.0.7 allow remote attackers to cause a denial of service ...
InfBlocks.java in JCraft JZlib before 0.0.7 allow remote attackers to cause a denial of service (NullPointerException) via an invalid block of deflated data.
- Record
GHSA-527c-8rxj-jcj9- Updated
- 2026-11-02
OSV No score
InfBlocks.java in JCraft JZlib before 0.0.7 allow remote attackers to cause a denial of service (NullPointerException) via an invalid block of deflated data.
- Record
CVE-2002-2102- Updated
- 2026-11-02
OSVDEBIAN-CVE-2002-2102 No score
InfBlocks.java in JCraft JZlib before 0.0.7 allow remote attackers to cause a denial of service (NullPointerException) via an invalid block of deflated data.
- Record
DEBIAN-CVE-2002-2102- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2002-2102 is a medium vulnerability (CVSS 5.0) in Jcraft Jzlib, published December 31, 2002. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.86%, the 79th percentile. Fixed in jzlib 0.0.7.