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CVE-2026-58179 is a memory-safety vulnerability in the Apache Traffic Server regex_remap plugin. The flaw is triggered by substitution input processed by the plugin and is described as involving both stack overflow and integer overflow conditions. Affected versions are Apache Traffic Server 8.0.0 through 8.1.9, 9.0.0 through 9.2.14, and 10.0.0 through 10.1.3. The vulnerability can lead to memory corruption during regex remapping operations, creating conditions for process instability and potentially more severe compromise depending on exploitability.
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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.
8 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A critical or high-severity vulnerability in Apache Traffic Server addressed by released security updates.
A stack and integer overflow vulnerability in the Apache Traffic Server regex_remap plugin affecting multiple Apache Traffic Server versions.
A stack overflow vulnerability in the Apache Traffic Server regex_remap plugin triggered by attacker-controlled substitution input.
A stack-based buffer overflow vulnerability in the Apache Traffic Server regex_remap plugin caused by attacker-controlled substitution input, affecting multiple Apache Traffic Server versions.
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.