ALBA-2020:3657
zlib bug fix and enhancement update
The zlib packages provide a general-purpose lossless data compression library that is used by many different programs.
Bug Fix(es) and Enhancement(s):
-
AlmaLinux8.2 - zlib on s390x may produce incomplete raw (but not gzip/zlib) streams (BZ#1860952)
-
AlmaLinux8.2 - raw zlib test failed with DFLTCC_LEVEL_MASK set to 0x1ff (BZ#1862108)
-
AlmaLinux8.2 - Fix support for IBM Z hardware-accelerated deflate (zlib) (BZ#1867876)
What each source reports
OSV No score
zlib bug fix and enhancement update
The zlib packages provide a general-purpose lossless data compression library that is used by many different programs.
Bug Fix(es) and Enhancement(s):
-
AlmaLinux8.2 - zlib on s390x may produce incomplete raw (but not gzip/zlib) streams (BZ#1860952)
-
AlmaLinux8.2 - raw zlib test failed with DFLTCC_LEVEL_MASK set to 0x1ff (BZ#1862108)
-
AlmaLinux8.2 - Fix support for IBM Z hardware-accelerated deflate (zlib) (BZ#1867876)
- Record
ALBA-2020:3657- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
zlib-staticAlmaLinux:8 |
before 1.2.11-16.el8_2 | 1.2.11-16.el8_2 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
ALBA-2020:3657 is a vulnerability with no CVSS score yet in zlib-static, published September 8, 2020. No source lists public exploit code. Fixed in zlib-static 1.2.11-16.el8_2.