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CVE-2026-48863 is a stack-based buffer overflow in libsolv's PGP signature-verification component. Incorrect length handling occurs while copying the EdDSA signature s MPI into a stack-allocated buffer. A malicious Ed25519 PGP signature with mismatched MPI lengths can cause an out-of-bounds stack write when libsolv processes the signature, including during automated package or repository metadata processing.
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No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
16 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability affecting the libsolv-help package in Huawei EulerOS UVP 2.10.1. The supplied CVSS v3 vector indicates a network-reachable, low-complexity vulnerability requiring no privileges or user interaction, with high availability impact and no stated confidentiality or integrity impact.
A network-accessible, low-complexity denial-of-service vulnerability requiring no privileges or user interaction, with impact limited to availability.
A remotely exploitable, low-complexity vulnerability affecting libsolv packages in Huawei EulerOS 2.0 that can cause high availability impact (denial of service).
A vulnerability referenced by the Huawei EulerOS SA-2026-3647 local security-check plugin, affecting the listed EulerOS UVP/libsolv environment. The content provides no technical flaw description.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.