SUSE alert SUSE-SU-2026:21789-1 (tree-sitter)

From:
             
 
SLE-SECURITY-UPDATES <null@suse.de>
To:
             
 
sle-security-updates@lists.suse.com
Subject:
             
 
SUSE-SU-2026:21789-1: important: Security update for tree-sitter
Date:
             
 
Wed, 27 May 2026 12:35:00 -0000
Message-ID:
             
 
<177988530014.114.14109772256471419091@4542fd0e0e60>
# 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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