Improper Handling of Highly Compressed Data (Data Amplification) vulnerability in ninenines cowlib allows unauthenticated remote denial of service via memory exhaustion. cow_spdy:inflate/2 in cowlib passes peer-supplied compressed bytes directly to zlib:inflate/2 with no output s...
Product
hex cowlib vulnerabilities
4 published CVES affecting hex cowlib, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 4
- Critical
- 0
- High
- 2
- Medium
- 1
- Low
- 1
- Unscored
- 0
- CISA KEV
- 0
Latest hex cowlib CVEs
Newest publication first
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HighCVSS 8.2 EPSS 0.51%
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MediumCVSS 6.3 EPSS 0.27%
Improper Neutralization of CRLF Sequences ('CRLF Injection') vulnerability in ninenines cowlib allows SSE event splitting and injection via unvalidated field values. cow_sse:event/1 in cowlib guards the id and event fields against \n but not against bare \r, and the internal pref...
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CVE-2026-7790 Unbounded chunk-size hex digits in cowlib cause quadratic CPU and memory DoS
PublishedHighCVSS 8.7 EPSS 0.43%Uncontrolled Resource Consumption vulnerability in ninenines cowlib (cow_http_te module) allows Excessive Allocation. The chunked transfer-encoding parser in cow_http_te accepts an unbounded number of hex digits in the chunk-size field. Each digit causes a bignum multiplication (...
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CVE-2026-43969 Cookie Request Header Injection via Unvalidated Encoder in cow_cookie:cookie/1
PublishedLowCVSS 2.1 EPSS 0.15%Improper Neutralization of CRLF Sequences ('CRLF Injection') vulnerability in ninenines cowlib allows HTTP request splitting and cookie smuggling via unvalidated cookie name and value fields. cow_cookie:cookie/1 in cowlib builds a client-side Cookie: request header from a list of...
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.