According to the versions of the zstd package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - A race condition in the one-pass compression functions of Zstandard prior to version 1.3.8 could allow an     attacker to write bytes out of bounds if an output buffer smaller than the recommended size was used.
    (CVE-2019-11922)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

It was discovered that Zstandard incorrectly handled certain inputs.
An attacker could possibly use this issue to execute arbitrary code.

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the versions of the zstd package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

  - A race condition in the one-pass compression functions of Zstandard prior to version 1.3.8 could allow an     attacker to write bytes out of bounds if an output buffer smaller than the recommended size was used.
    (CVE-2019-11922)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for zstd to version 1.4.2 fixes the following issues :

Security issues fixed :

&#9; - CVE-2019-11922: Fixed race condition in one-pass compression functions that could allow out of bounds write (boo#1142941).

Non-security issues fixed :

&#9; - Added --[no-]compress-literals CLI flag to enable or disable literal compression.

  - Added new --rsyncable mode.

  - Added handling of -f flag to zstdgrep.

  - Added CPU load indicator for each file on -vv mode.

  - Changed --no-progress flag to preserve the final     summary.

  - Added new command --adapt for compressed network piping     of data adjusted to the perceived network conditions.

The remote Ubuntu 16.04 ESM host has packages installed that are affected by a vulnerability as referenced in the USN-5593-1 advisory.

  - A race condition in the one-pass compression functions of Zstandard prior to version 1.3.8 could allow an     attacker to write bytes out of bounds if an output buffer smaller than the recommended size was used.
    (CVE-2019-11922)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

According to the versions of the zstd packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - A race condition in the one-pass compression functions of Zstandard prior to version 1.3.8 could allow an     attacker to write bytes out of bounds if an output buffer smaller than the recommended size was used.
    (CVE-2019-11922)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for zstd fixes the following issues :

  - Update to version 1.4.2 :

  - bug: Fix bug in zstd-0.5 decoder by @terrelln (#1696)

  - bug: Fix seekable decompression in-memory API by     @iburinoc (#1695)

  - bug: Close minor memory leak in CLI by @LeeYoung624     (#1701)

  - misc: Validate blocks are smaller than size limit by     @vivekmig (#1685)

  - misc: Restructure source files by @ephiepark (#1679)

  - Update to version 1.4.1 :

  - bug: Fix data corruption in niche use cases by @terrelln     (#1659)

  - bug: Fuzz legacy modes, fix uncovered bugs by @terrelln     (#1593, #1594, #1595)

  - bug: Fix out of bounds read by @terrelln (#1590)

  - perf: Improve decode speed by ~7% @mgrice (#1668)

  - perf: Slightly improved compression ratio of level 3 and     4 (ZSTD_dfast) by @cyan4973 (#1681)

  - perf: Slightly faster compression speed when re-using a     context by @cyan4973 (#1658)

  - perf: Improve compression ratio for small windowLog by     @cyan4973 (#1624)

  - perf: Faster compression speed in high compression mode     for repetitive data by @terrelln (#1635)

  - api: Add parameter to generate smaller dictionaries by     @tyler-tran (#1656)

  - cli: Recognize symlinks when built in C99 mode by     @felixhandte (#1640)

  - cli: Expose cpu load indicator for each file on -vv mode     by @ephiepark (#1631)

  - cli: Restrict read permissions on destination files by     @chungy (#1644)

  - cli: zstdgrep: handle -f flag by @felixhandte (#1618)

  - cli: zstdcat: follow symlinks by @vejnar (#1604)

  - doc: Remove extra size limit on compressed blocks by     @felixhandte (#1689)

  - doc: Fix typo by @yk-tanigawa (#1633)

  - doc: Improve documentation on streaming buffer sizes by     @cyan4973 (#1629)

  - build: CMake: support building with LZ4 @leeyoung624     (#1626)

  - build: CMake: install zstdless and zstdgrep by     @leeyoung624 (#1647)

  - build: CMake: respect existing uninstall target by     @j301scott (#1619)

  - build: Make: skip multithread tests when built without     support by @michaelforney (#1620)

  - build: Make: Fix examples/ test target by @sjnam (#1603)

  - build: Meson: rename options out of deprecated namespace     by @lzutao (#1665)

  - build: Meson: fix build by @lzutao (#1602)

  - build: Visual Studio: don't export symbols in static lib     by @scharan (#1650)

  - build: Visual Studio: fix linking by @absotively (#1639)

  - build: Fix MinGW-W64 build by @myzhang1029 (#1600)

  - misc: Expand decodecorpus coverage by @ephiepark (#1664)

  - Add baselibs.conf: libarchive gained zstd support and     provides

    -32bit libraries. This means, zstd also needs to provide
    -32bit libs.

  - Update to new upstream release 1.4.0

  - perf: level 1 compression speed was improved

  - cli: added --[no-]compress-literals flag to enable or     disable literal compression

  - Reword 'real-time' in description by some actual     statistics, because 603MB/s (lowest zstd level) is not     'real-time' for quite some applications.

  - zstd 1.3.8 :

  - better decompression speed on large files (+7%) and cold     dictionaries (+15%)

  - slightly better compression ratio at high compression     modes

  - new --rsyncable mode

  - support decompression of empty frames into NULL (used to     be an error)

  - support ZSTD_CLEVEL environment variable

  - --no-progress flag, preserving final summary

  - various CLI fixes

  - fix race condition in one-pass compression functions     that could allow out of bounds write (CVE-2019-11922,     boo#1142941)

  - zstd 1.3.7 :

  - fix ratio for dictionary compression at levels 9 and 10

  - add man pages for zstdless and zstdgrep

  - includes changes from zstd 1.3.6 :

  - faster dictionary builder, also the new default for
    --train

  - previous (slower, slightly higher quality) dictionary     builder to be selected via --train-cover

  - Faster dictionary decompression and compression under     memory limits with many dictionaries used simultaneously

  - New command --adapt for compressed network piping of     data adjusted to the perceived network conditions

  - update to 1.3.5 :

  - much faster dictionary compression

  - small quality improvement for dictionary generation

  - slightly improved performance at high compression levels

  - automatic memory release for long duration contexts

  - fix overlapLog can be manually set

  - fix decoding invalid lz4 frames

  - fix performance degradation for dictionary compression     when using advanced API

  - fix pzstd tests

  - enable pzstd (parallel zstd)

  - Use %license instead of %doc [boo#1082318]

  - Add disk _constraints to fix ppc64le build

  - Use FAT LTO objects in order to provide proper static     library (boo#1133297).

ID	Name	Product	Family	Published	Updated	Severity
162892	EulerOS 2.0 SP9 : zstd (EulerOS-SA-2022-2017)	Nessus	Huawei Local Security Checks	7/8/2022	7/8/2022	high
128075	Ubuntu 18.04 LTS : Zstandard vulnerability (USN-4108-1)	Nessus	Ubuntu Local Security Checks	8/22/2019	10/21/2023	high
165373	EulerOS Virtualization 2.9.1 : zstd (EulerOS-SA-2022-2372)	Nessus	Huawei Local Security Checks	9/23/2022	9/23/2022	high
162857	EulerOS 2.0 SP9 : zstd (EulerOS-SA-2022-1987)	Nessus	Huawei Local Security Checks	7/8/2022	7/8/2022	high
127834	openSUSE Security Update : zstd (openSUSE-2019-1845)	Nessus	SuSE Local Security Checks	8/13/2019	5/3/2024	high
165359	EulerOS Virtualization 2.9.0 : zstd (EulerOS-SA-2022-2408)	Nessus	Huawei Local Security Checks	9/23/2022	9/23/2022	high
164655	Ubuntu 16.04 ESM : Zstandard vulnerability (USN-5593-1)	Nessus	Ubuntu Local Security Checks	9/2/2022	7/12/2023	high
162444	EulerOS 2.0 SP8 : zstd (EulerOS-SA-2022-1957)	Nessus	Huawei Local Security Checks	6/22/2022	6/22/2022	high
128015	openSUSE Security Update : zstd (openSUSE-2019-1952)	Nessus	SuSE Local Security Checks	8/20/2019	5/2/2024	high

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