Loading vulnerability…
CVE-2026-73857 concerns dereferencing an uninitialized parser context pointer in the mod_security XML request body processor, with potential denial-of-service consequences. Debian Linux 12.0, 13.0, and 14.0 are listed as affected, although affected mod_security versions are not specified. The listed mod_security packages for Amazon Linux 2 Core, Amazon Linux 2023, and Amazon Linux 2027 Preview are explicitly marked not affected.
Mallory correlates every CVE against your assets, your vendors, and active adversary campaigns. Know which vulnerabilities matter for you, not just which ones are loud.
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An uninitialized parser-context pointer dereference in an XML request body processor. The advisory rates it Important with CVSS 3.1 score 7.5, indicating a remotely reachable, low-complexity vulnerability requiring neither privileges nor user interaction and causing high availability impact, with no confidentiality or integrity impact. All Amazon Linux package variants listed in this reference are explicitly not affected.
A network-reachable, critical-severity vulnerability tracked as CVE-2026-73857, listed by the plugin as affecting Debian Linux 12.0, 13.0, and 14.0. The supplied CVSS v3.0 vector indicates unauthenticated remote exploitation with no user interaction and potential high impact to confidentiality, integrity, and availability.
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.