SUSE SLED15 / SLES15 Security Update : sccache (SUSE-SU-2026:3674-1)

high Nessus Plugin ID 338837

Synopsis

The remote SUSE host is missing one or more security updates.

Description

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3674-1 advisory.

- CVE-2026-25541: bytes: integer overflow in 'BytesMut:reserve' can lead to undefined behavior and crashes (bsc#1274146).
- CVE-2026-66746: rouille: HTTP Response Splitting via Unvalidated Response Header Values (bsc#1273881).
- CVE-2026-66754: rouille: remove_prefix function that allows remote unauthenticated attackers to crash the server by sending a crafted percent-encoded URL (bsc#1273884).
- CVE-2026-67181: rouille: HTTP Request Smuggling via Transfer-Encoding Desynchronization (bsc#1273886).
- CVE-2026-67182: rouille: HTTP Request Smuggling Enables Front-End Access Control Bypass (bsc#1273888).

Changes for sccache:

- Update to version 0.17.0~1:

* Add experimental concurrent cache support
* Release 0.17.0
* tests: pin libc in the dist test crate
* doc: clarify server-side outputs and drop 'recommended mode' claim
* doc: document SCCACHE_CLIENT_SIDE env var
* doc: document client-side and direct modes in Architecture.md
* Fix description of Unix socket-based Redis connection
* server: remove redundant async block in start_compile_task
* server: simplify bind() request loops with ? instead of manual match arms
* Add support for arg files in Rust (#2782)
* feat: support S3 SSE-KMS with AWS-managed and customer-managed keys (#2770)
* abort compile tasks and associated subprocesses when a client disconnects
* treat -ivfsoverlay as a preprocessor-only argument
* gcc: refine response-file tokenizer visibility and whitespace handling
* integration: convert cmake 4.x modules XFAIL test to a passing test
* gcc/clang: cache and distribute builds using quoted @response files
* fix: Fix ToolchainPackager cfg gate to build on ppc64le/s390x
* fix: make gcc diagnostics color output work the same as for rustc
* implement client-side mode
* split handle_compile_response so that the compilation result can be handled separately
* implement IpcStorage -- Storage backend over IPC
* extend wire protocol with storage RPCs
* implement AddAssign for ServerStats and related types
* add Storage::get_path for direct file access
* implement get_raw/put_raw on MultiLevelStorage
* add client_side_mode config flag (SCCACHE_CLIENT_SIDE)
* Extract new_client_runtime() helper to DRY up client runtime creation
* Clarify single-threaded runtime rationale comment (grammar)
* fix: use single-threaded tokio runtime in sccache dist-client
* fix: use single-threaded tokio runtime in sccache client
* fix: handle disabled cache backend features in multilevel chain
* Fix ldd output parsing: remove .exists() check that failed on systems where the symlink source path does not exist locally (e.g. aarch64)
* Fix cfg guard for PanicToolchainPackager to also cover non-x86_64 Linux architectures (e.g. aarch64)

Tenable has extracted the preceding description block directly from the SUSE security advisory.

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

Solution

Update the affected sccache package.

Plugin Details

Severity: High

ID: 338837

File Name: suse_SU-2026-3674-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 8/22/2026

Updated: 8/22/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.9

Percentile: 52.73

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3.1

Vector: CVSS2#AV:N/AC:H/Au:N/C:N/I:P/A:P

CVSS Score Source: CVE-2026-67181

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS Score Source: CVE-2026-25541

CVSS v4

Risk Factor: High

Base Score: 8.2

Threat Score: 6.9

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CVSS Score Source: CVE-2026-66754

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:sccache

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/21/2026

Vulnerability Publication Date: 2/3/2026

Reference Information

CVE: CVE-2026-25541, CVE-2026-66746, CVE-2026-66754, CVE-2026-67181, CVE-2026-67182

SuSE: SUSE-SU-2026:3674-1

Detections

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