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CVE-2022-41715 is an uncontrolled memory-consumption vulnerability in Go's regexp/syntax regular-expression parser. Applications that compile regular expressions from untrusted sources can be induced to parse expressions whose internal representation has a disproportionately high memory cost: although representation growth is linear relative to input size, the constant factor can reach 40,000. Relatively small attacker-controlled expressions can therefore exhaust memory and deny service. The fix imposes a 256 MB memory limit for parsing each individual regular expression and rejects expressions that would exceed it.
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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.
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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.
40 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability addressed by the CIQ LTS 8.6 fuse-overlayfs security-update advisory.
A Go regexp/syntax issue concerning excessive memory consumption while parsing regular expressions.
A Go regexp/syntax resource-consumption vulnerability involving excessive memory use during regular-expression parsing.
A Go regexp/syntax flaw involving excessive memory consumption during regular-expression parsing.
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.