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Edit ndaal-sa-2026-254
Document Metadata
Tracking ID *
Title *
Category *
Security Advisory
VEX
Informational Advisory
Status *
draft
interim
final
Document Version *
TLP 2.0 *
TLP:CLEAR
TLP:GREEN
TLP:AMBER
TLP:AMBER+STRICT
TLP:RED
Verschlusssache
VS-NfD (VS-NUR FÜR DEN DIENSTGEBRAUCH)
VS-Vertr. (VS-VERTRAULICH)
Geh. (GEHEIM)
Str. Geh. (STRENG GEHEIM)
NATO
NR (NATO RESTRICTED)
NC (NATO CONFIDENTIAL)
NS (NATO SECRET)
CTS (COSMIC TOP SECRET)
Initial Release Date *
Current Release Date *
Summary *
nvulnlookup parses untrusted XML (RSS / Atom feeds, CAPEC) with the `quick-xml` crate. Version 0.39.4 carries two HIGH-severity denial-of-service defects fixed in 0.41.0: RUSTSEC-2026-0195 (CVSS 7.5) - unbounded namespace-declaration allocation in `NsReader` enabling memory-exhaustion DoS on a crafted document; and RUSTSEC-2026-0194 (CVSS 7.5) - quadratic run time when checking a start tag for duplicate attribute names, an algorithmic-complexity DoS. The direct `quick-xml` dependency (crates/vl-feeders + workspace-hack) is bumped 0.39 -> 0.41, and the two transitive re-exporters `rss` (2.0.13 -> 2.1.0) and `atom_syndication` (0.12.8 -> 0.12.9) are bumped so that quick-xml 0.39.4 is removed from the dependency tree entirely. Post-bump `cargo audit` no longer reports either advisory.
Publisher
Name *
Namespace *
Category *
vendor
discoverer
coordinator
user
translator
other
Contact details
Affected Product
Vendor *
Product Name *
Product ID *
Product Status *
known_affected
known_not_affected
fixed
under_investigation
Vulnerability
Required for Security Advisories, optional for Informational / VEX.
CVE ID
Vulnerability Title
Vulnerability Description
quick-xml < 0.41.0 accumulated namespace declarations without bound in NsReader; a crafted XML document declaring many namespaces drives unbounded allocation until OOM. Reachable via nvulnlookup RSS/Atom/CAPEC feed parsing. CVSS 7.5 (remote, unauthenticated, availability-only).
CWE ID
CWE Name
CVSS v3.1
Base Score (0.0 – 10.0)
Severity
—
NONE
LOW
MEDIUM
HIGH
CRITICAL
CVSS v3.1 Vector
CVSS v4.0
Base Score (0.0 – 10.0)
Severity
—
NONE
LOW
MEDIUM
HIGH
CRITICAL
CVSS v4.0 Vector
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