SUSE-SU-2026:21789-1: important: Security update for tree-sitter
SLE-UPDATES
null at suse.de
Wed May 27 12:34:59 UTC 2026
# Security update for tree-sitter
Announcement ID: SUSE-SU-2026:21789-1
Release Date: 2026-05-14T08:13:06Z
Rating: important
References:
* bsc#1259205
* bsc#1261839
* bsc#1261871
* bsc#1261894
* bsc#1261954
* bsc#1261963
* bsc#1261968
* bsc#1261974
* bsc#1262007
* bsc#1262032
* bsc#1262036
* bsc#1262040
Cross-References:
* CVE-2026-34941
* CVE-2026-34942
* CVE-2026-34943
* CVE-2026-34944
* CVE-2026-34945
* CVE-2026-34946
* CVE-2026-34987
* CVE-2026-34988
* CVE-2026-35186
* CVE-2026-35195
CVSS scores:
* CVE-2026-34941 ( SUSE ): 6.9
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
* CVE-2026-34941 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
* CVE-2026-34941 ( NVD ): 6.9
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
* CVE-2026-34941 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
* CVE-2026-34942 ( SUSE ): 8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2026-34942 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-34942 ( NVD ): 5.9
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
* CVE-2026-34942 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-34943 ( SUSE ): 6.0
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2026-34943 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-34943 ( NVD ): 5.6
CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
* CVE-2026-34943 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-34944 ( SUSE ): 5.1
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2026-34944 ( SUSE ): 5.0 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
* CVE-2026-34944 ( NVD ): 4.1
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
* CVE-2026-34944 ( NVD ): 5.7 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
* CVE-2026-34945 ( SUSE ): 7.0
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
* CVE-2026-34945 ( SUSE ): 6.3 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
* CVE-2026-34945 ( NVD ): 2.3
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
* CVE-2026-34945 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
* CVE-2026-34946 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
* CVE-2026-34946 ( NVD ): 5.9
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
* CVE-2026-34946 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-34987 ( SUSE ): 9.0
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
* CVE-2026-34987 ( SUSE ): 8.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
* CVE-2026-34987 ( NVD ): 9.0
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
* CVE-2026-34987 ( NVD ): 9.9 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
* CVE-2026-34988 ( SUSE ): 7.0
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
* CVE-2026-34988 ( SUSE ): 6.3 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
* CVE-2026-34988 ( NVD ): 2.3
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
* CVE-2026-34988 ( NVD ): 6.3 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
* CVE-2026-35186 ( SUSE ): 6.1
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N
* CVE-2026-35186 ( SUSE ): 6.4 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H
* CVE-2026-35186 ( NVD ): 6.1
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
* CVE-2026-35186 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-35195 ( SUSE ): 6.0
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
* CVE-2026-35195 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H
* CVE-2026-35195 ( NVD ): 6.1
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
* CVE-2026-35195 ( NVD ): 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Affected Products:
* SUSE Linux Enterprise Server 16.0
* SUSE Linux Enterprise Server for SAP applications 16.0
An update that solves 10 vulnerabilities and has two fixes can now be installed.
## Description:
This update for tree-sitter fixes the following issues
Security issues:
* CVE-2026-34941: wasmtime: crafted input string can lead to an out-of-bound
read (bsc#1261871).
* CVE-2026-34942: wasmtime: unaligned pointers can lead to a denial of service
(bsc#1261894).
* CVE-2026-34943: wasmtime: lifting `flags` component value can lead to a
denial of service (bsc#1261954).
* CVE-2026-34944: wasmtime: out-of-bounds read during WebAssembly compilation
can lead to a denial of service (bsc#1261963).
* CVE-2026-34945: wasmtime: incorrectly translated table.size could lead to
disclosing data (bsc#1262007).
* CVE-2026-34946: wasmtime: denial of service due to WebAssembly compilation
error (bsc#1261974).
* CVE-2026-34987: wasmtime: winch compiler backend may allow a sandbox-
escaping memory access (bsc#1262032).
* CVE-2026-34988: wasmtime: pooling allocator instances can cause data leakage
(bsc#1261968).
* CVE-2026-35186: wasmtime: translating the table.grow operator can cause a
masked return value (bsc#1262036).
* CVE-2026-35195: wasmtime: transcoding strings can lead to an out of bound
write or a crash (bsc#1262040).
Changes for tree-sitter:
* update to 0.26.8:
* fix(generate): allow disabling qjs-rt feature from CLI by @WillLillis in
#5448
* fix(lib): document invariants that must be upheld for TSInputEdit by
@WillLillis in #5452
* fix(cli): correct typo in parse command's help text by @WillLillis in #5465
* perf(cli): misc. improvements by @tree-sitter-ci-bot[bot] in #5476
* Fix wasm loading of languages w/ multiple reserved word sets by @tree-
sitter-ci-bot[bot] in #5477
* generate: avoid panicking when a supertype only has hidden external token
children by @tree-sitter-ci-bot[bot] in #5478
## Patch Instructions:
To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
* SUSE Linux Enterprise Server 16.0
zypper in -t patch SUSE-SLES-16.0-743=1
* SUSE Linux Enterprise Server for SAP applications 16.0
zypper in -t patch SUSE-SLES-16.0-743=1
## Package List:
* SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x x86_64)
* tree-sitter-debuginfo-0.26.8-160000.1.1
* libtree-sitter0_26-debuginfo-0.26.8-160000.1.1
* tree-sitter-devel-0.26.8-160000.1.1
* libtree-sitter0_26-0.26.8-160000.1.1
* tree-sitter-debugsource-0.26.8-160000.1.1
* SUSE Linux Enterprise Server 16.0 (x86_64)
* libtree-sitter0_26-x86-64-v3-0.26.8-160000.1.1
* libtree-sitter0_26-x86-64-v3-debuginfo-0.26.8-160000.1.1
* SUSE Linux Enterprise Server for SAP applications 16.0 (ppc64le x86_64)
* tree-sitter-debuginfo-0.26.8-160000.1.1
* libtree-sitter0_26-debuginfo-0.26.8-160000.1.1
* tree-sitter-devel-0.26.8-160000.1.1
* libtree-sitter0_26-0.26.8-160000.1.1
* tree-sitter-debugsource-0.26.8-160000.1.1
* SUSE Linux Enterprise Server for SAP applications 16.0 (x86_64)
* libtree-sitter0_26-x86-64-v3-0.26.8-160000.1.1
* libtree-sitter0_26-x86-64-v3-debuginfo-0.26.8-160000.1.1
## References:
* https://www.suse.com/security/cve/CVE-2026-34941.html
* https://www.suse.com/security/cve/CVE-2026-34942.html
* https://www.suse.com/security/cve/CVE-2026-34943.html
* https://www.suse.com/security/cve/CVE-2026-34944.html
* https://www.suse.com/security/cve/CVE-2026-34945.html
* https://www.suse.com/security/cve/CVE-2026-34946.html
* https://www.suse.com/security/cve/CVE-2026-34987.html
* https://www.suse.com/security/cve/CVE-2026-34988.html
* https://www.suse.com/security/cve/CVE-2026-35186.html
* https://www.suse.com/security/cve/CVE-2026-35195.html
* https://bugzilla.suse.com/show_bug.cgi?id=1259205
* https://bugzilla.suse.com/show_bug.cgi?id=1261839
* https://bugzilla.suse.com/show_bug.cgi?id=1261871
* https://bugzilla.suse.com/show_bug.cgi?id=1261894
* https://bugzilla.suse.com/show_bug.cgi?id=1261954
* https://bugzilla.suse.com/show_bug.cgi?id=1261963
* https://bugzilla.suse.com/show_bug.cgi?id=1261968
* https://bugzilla.suse.com/show_bug.cgi?id=1261974
* https://bugzilla.suse.com/show_bug.cgi?id=1262007
* https://bugzilla.suse.com/show_bug.cgi?id=1262032
* https://bugzilla.suse.com/show_bug.cgi?id=1262036
* https://bugzilla.suse.com/show_bug.cgi?id=1262040
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