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CVE-2026-33818 is an uncontrolled-recursion denial-of-service vulnerability in Go's encoding/asn1 package. ASN.1 Unmarshal did not enforce a maximum recursion depth when processing deeply nested recursive ASN.1 structures, allowing attacker-supplied input to drive recursive parsing until the Go process exhausts its stack. Go security releases 1.26.6 and 1.25.13 introduced a maximum recursion-depth limit; downstream enterprise distributions also shipped the fix in later packaged Go updates.
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No public exploit code observed for this vulnerability.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
19 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability referenced by the Alma Linux ALSA-2026:60304 security advisory; no technical flaw description is provided in the content.
A vulnerability addressed by the AlmaLinux ALSA-2026-60305 security update; no technical flaw description is provided in the content.
A denial-of-service vulnerability in Go's encoding/asn1 package caused by excessive recursion during Unmarshal processing.
A denial-of-service vulnerability in Go's encoding/asn1 package caused by excessive recursion during Unmarshal processing.
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.