Apache Traffic Server 6.0.0 to 6.2.3, 7.0.0 to 7.1.10, and 8.0.0 to 8.0.7 is vulnerable to certain types of HTTP/2 HEADERS frames that can cause the server to allocate a large amount of memory and spin the thread.
Product
Apache Traffic Server vulnerabilities
111 published CVES affecting Apache Traffic Server, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 111
- Critical
- 12
- High
- 78
- Medium
- 21
- Low
- 0
- Unscored
- 0
- CISA KEV
- 0
Latest Apache Traffic Server CVEs
Newest publication first · page 5 of 5
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HighCVSS 7.5 EPSS 3.7%
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HighCVSS 7.5 EPSS 1.9%
sslheaders plugin extracts information from the client certificate and sets headers in the request based on the configuration of the plugin. The plugin doesn't strip the headers from the request in some scenarios. This problem was discovered in versions 6.0.0 to 6.0.3, 7.0.0 to 7...
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MediumCVSS 5.3 EPSS 7.2%
Pages that are rendered using the ESI plugin can have access to the cookie header when the plugin is configured not to allow access. This affects Apache Traffic Server (ATS) versions 6.0.0 to 6.2.2 and 7.0.0 to 7.1.3. To resolve this issue users running 6.x should upgrade to 6.2....
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HighCVSS 7.5 EPSS 7.4%
A carefully crafted invalid TLS handshake can cause Apache Traffic Server (ATS) to segfault. This affects version 6.2.2. To resolve this issue users running 6.2.2 should upgrade to 6.2.3 or later versions.
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MediumCVSS 5.3 EPSS 6.8%
When there are multiple ranges in a range request, Apache Traffic Server (ATS) will read the entire object from cache. This can cause performance problems with large objects in cache. This affects versions 6.0.0 to 6.2.2 and 7.0.0 to 7.1.3. To resolve this issue users running 6.x...
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MediumCVSS 6.5 EPSS 6.2%
There are multiple HTTP smuggling and cache poisoning issues when clients making malicious requests interact with Apache Traffic Server (ATS). This affects versions 6.0.0 to 6.2.2 and 7.0.0 to 7.1.3. To resolve this issue users running 6.x should upgrade to 6.2.3 or later version...
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HighCVSS 7.5 EPSS 7.6%
Adding method ACLs in remap.config can cause a segfault when the user makes a carefully crafted request. This affects versions Apache Traffic Server (ATS) 6.0.0 to 6.2.2 and 7.0.0 to 7.1.3. To resolve this issue users running 6.x should upgrade to 6.2.3 or later versions and 7.x...
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HighCVSS 7.5 EPSS 2.2%
There is a DOS attack vulnerability in Apache Traffic Server (ATS) 5.2.0 to 5.3.2, 6.0.0 to 6.2.0, and 7.0.0 with the TLS handshake. This issue can cause the server to coredump.
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HighCVSS 8.6 EPSS 1.9%
There is a vulnerability in Apache Traffic Server (ATS) 6.2.0 and prior and 7.0.0 and prior with the Host header and line folding. This can have issues when interacting with upstream proxies and the wrong host being used.
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HighCVSS 7.5 EPSS 3.0%
Apache Traffic Server before 6.2.1 generates a coredump when there is a mismatch between content length and chunked encoding.
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HighCVSS 7.5 EPSS 2.9%
Apache Traffic Server 6.0.0 to 6.2.0 are affected by an HPACK Bomb Attack.
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.