Security update for mozjs52
Summary
Vulnerability reported (SUSE-SU-2026:1742-1). Risk of unauthorized operations or information disclosure. Exploitable via setContext.
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as SUSE-SU-2026:1742-1 has been found.
Attackers can target a specific entry point like setContext over the network to misuse the product.
Risk of unauthorized operations or information disclosure.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "SUSE-SU-2026:1742-1" on the vendor's site.
SUSE-SU-2026:1742-1
Attack surface: setContext
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
A vulnerability (unclassified) has been reported. Attackers reach the vulnerable code path via setContext.
Check the vendor advisory for the affected versions. Attack surface: setContext.
Severity: ?. Risk of unauthorized operations or information disclosure.
Update to the patched release per vendor advisory.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1
Identify exposureidentify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで影響コンポーネントを特定する。
-
2
Post-deployment verificationverify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
Original description The description as published by the source.
This update for mozjs52 fixes the following issues
- CVE-2026-32776: libexpat: NULL pointer dereference when processing empty external parameter entities inside an entity
declaration value (bsc#1259728). - CVE-2026-32777: libexpat: denial of service due to infinite loop in DTD content parsing (bsc#1259713).
- CVE-2026-32778: libexpat: NULL pointer dereference in
setContexton retry after an out-of-memory condition
(bsc#1259731).
Source: OSV.dev (Open Source Vulnerabilities) OSV
References
- advisory suse.com
- report bugzilla.suse.com
- report bugzilla.suse.com
- report bugzilla.suse.com
- web suse.com
- web suse.com
- web suse.com