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