BlackTreeCVE IntelligenceSiemens · SIMATIC S7-1500 CPU 1518-4 PN/DP MFP
Official source article: Siemens SSA-398330 ↗. Check the applicable product and release in the original source.
High technical severity with public exploit material referenced by a structured source; prioritise exposed affected systems while verifying vendor guidance. Verified remediation exists for at least one product or source, but 6 structured product or package states remain unresolved. Apply remediation only to the exact product branch confirmed by its source.
Verified remediation exists for at least one product or source, but 6 structured product or package states remain unresolved. Apply remediation only to the exact product branch confirmed by its source.
Alpine, Debian findings are scoped to the named distribution, release and source package. An absent finding does not mean a package is unaffected.
A published vendor fix does not prove that a matching update is enabled and installable on a particular asset. Confirm the local package candidate before scheduling remediation.
| Distribution release | Source package | Vendor state | Fixed version | Evidence |
|---|---|---|---|---|
| Alpine v3.23v3.23 · main | libxml2 | Vendor fix publishedAlpine records a security fix at this version. An absent entry does not mean the package is unaffected. | 2.9.8-r3 | Alpine Security Database ↗Source updated 23 Oct 2026 |
| Alpine v3.22v3.22 · main | libxml2 | Vendor fix publishedAlpine records a security fix at this version. An absent entry does not mean the package is unaffected. | 2.9.8-r3 | Alpine Security Database ↗Source updated 23 Oct 2026 |
| Alpine v3.21v3.21 · main | libxml2 | Vendor fix publishedAlpine records a security fix at this version. An absent entry does not mean the package is unaffected. | 2.9.8-r3 | Alpine Security Database ↗Source updated 23 Oct 2026 |
| Debian trixietrixie · source | libxml2 | Vendor fix publishedDebian records a fixed source-package version for this release. | 2.9.10+dfsg-2.1 | Debian Security Tracker ↗Source updated 24 Oct 2026 |
| Debian bookwormbookworm · source | libxml2 | Vendor fix publishedDebian records a fixed source-package version for this release. | 2.9.10+dfsg-2.1 | Debian Security Tracker ↗Source updated 24 Oct 2026 |
| Debian forkyforky · source | libxml2 | Vendor fix publishedDebian records a fixed source-package version for this release. | 2.9.10+dfsg-2.1 | Debian Security Tracker ↗Source updated 24 Oct 2026 |
| Debian sidsid · source | libxml2 | Vendor fix publishedDebian records a fixed source-package version for this release. | 2.9.10+dfsg-2.1 | Debian Security Tracker ↗Source updated 24 Oct 2026 |
These OSV and GitHub advisory ranges apply only to the named package and ecosystem. A listed fixed version is not a universal product patch or proof that an update is installed.
| Ecosystem and package | Affected range | First fixed version | Evidence |
|---|---|---|---|
| RubyGemsnokogiri | ECOSYSTEM: introduced 0; fixed 1.10.8 | 1.10.8 | OSV record ↗aggregator derived · 8 Mar 2024 |
| rubygemsnokogiri | < 1.10.8 | 1.10.8 | GitHub advisory ↗github reviewed aggregator · 9 Jun 2023 |
Structured product status and remediation from the issuing vendor. Product-state explanations are always visible; large lists can be searched or downloaded.
The vendor explicitly identifies these products as affected by this CVE.
The vendor explicitly identifies these products as affected by this CVE.
The vendor explicitly identifies these products as affected by this CVE.
High technical severity with public exploit material referenced by a structured source; prioritise exposed affected systems while verifying vendor guidance. Verified remediation exists for at least one product or source, but 6 structured product or package states remain unresolved. Apply remediation only to the exact product branch confirmed by its source.
Fix availability varies by productxmlStringLenDecodeEntities in parser.c in libxml2 2.9.10 has an infinite loop in a certain end-of-file situation.
xmlStringLenDecodeEntities in parser.c in libxml2 2.9.10 has an infinite loop in a certain end-of-file situation.
A malformed condition prevents a loop from making progress or terminating, allowing resource exhaustion.
An attacker operating through a network path may attempt exploitation without authentication or user interaction. If successful, the issue may cause the confidentiality, integrity or availability impact described by the vendor.
xmlStringLenDecodeEntities in parser.c in libxml2 2.9.10 has an infinite loop in a certain end-of-file situation.
A malformed condition prevents a loop from making progress or terminating, allowing resource exhaustion.
An attacker operating through a network path may attempt exploitation without authentication or user interaction. If successful, the issue may cause the confidentiality, integrity or availability impact described by the vendor.
CVSS severity, EPSS forecast probability, public exploit material and CISA-confirmed exploitation are separate signals.
No CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.
CISA Vulnrichment records proof-of-concept exploitation in its SSVC data. BlackTree has not independently executed or validated exploit material.
CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop'). The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HCommon Vulnerability Scoring System 3.1: the compact vector below is decoded into plain language.
Operational remediation based on structured source evidence.
Published 21 Jan 2020 · Last source change 14 Oct 2026, 08:07 UTC · CWE-835 · Loop with Unreachable Exit Condition ('Infinite Loop')
Core structured fields are present and their contributing authorities are shown above.