What’s Vulnerable › Vulnerabilities

CVE-2021-43082: heap-buffer-overflow with stats-over-http plugin

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-11-03 · updated 2026-06-17
• Weakness: CWE-120

Description

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in the stats-over-http plugin of Apache Traffic Server allows an attacker to overwrite memory. This issue affects Apache Traffic Server 9.1.0.

Affected products

• Apache Software Foundation Apache Traffic Server: from 8.0.0 through 8.1.2; from 9.0.0 through 9.1.0

References

• https://lists.apache.org/thread/k01797hyncx53659wr3o72s5cvkc3164
• https://lists.apache.org/thread/k01797hyncx53659wr3o72s5cvkc3164

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