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CVE-2026-20319 is a high-severity vulnerability grouping in Cisco Secure Workload Software that covers multiple buffer management flaws. The issues are described as improper restriction of operations within the bounds of a memory buffer and include buffer overflow and out-of-bounds write conditions. The vulnerabilities were identified during an internal security review and addressed in a software hardening release. The available information does not identify the specific vulnerable functions or code paths, but the flaw class indicates memory corruption conditions caused by unsafe handling of buffer boundaries.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
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.
3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A high-severity memory safety vulnerability in Cisco Secure Workload Software involving improper restriction of operations within the bounds of a memory buffer, including overflows and out-of-bounds writes.
A Cisco Secure Workload vulnerability grouping buffer overflow and out-of-bounds write issues.
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.