Description
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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | jzlib | 0.0.7 | — |
| Debian 13 | jzlib | 0.0.7 | — |
| Debian 12 | jzlib | 0.0.7 | — |
References
- jzlib-infblocks-dos(8627) vdb-entry
- 4359 vdb-entry
- http://www.jcraft.com/jzlib/ChangeLog