Issue summary: The DTLS retransmission logic does not correctly handle a handshake message write that is suspended part-way through. The retransmitted message can be read past the message buffer and the retransmission overwrites the internal state the suspended write needs to res...
Product
redhat/ruby:4.0/ruby vulnerabilities
5 published CVES affecting redhat/ruby:4.0/ruby, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 5
- Critical
- 2
- High
- 1
- Medium
- 1
- Low
- 1
- Unscored
- 0
- CISA KEV
- 0
Latest redhat/ruby:4.0/ruby CVEs
Newest publication first
-
HighCVSS 8.2
-
CVE-2026-89078 Double Free in GitLab
PublishedCriticalCVSS 9.9GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.2 before 19.2.7, 19.3 before 19.3.3, and 19.4 before 19.4.1 that under certain conditions could have allowed an authenticated user to execute arbitrary code on the GitLab server due to a double free iss...
-
MediumCVSS 4.0
An issue was discovered in the resolv gem before 0.7.2 for Ruby. Resolv::DNS::MessageEncoder wrote a DNS label's length into a single octet without checking its range. A label longer than 255 octets had its length stored modulo 256 but the label data was written unchanged, and th...
-
CriticalCVSS 9.1
Issue summary: ChaCha20-Poly1305 and AES-OCB decryption with an empty ciphertext can report success without verifying the supplied authentication tag when the operation is finalized by calling the EVP_Cipher() function. Impact summary: Applications calling EVP_Cipher() on an empt...
-
LowCVSS 3.7
Ruby JSON is a JSON implementation for Ruby. Versions 2.9.0 through 2.19.8 are vulnerable to heap buffer overflow when the JSON generator is provided with an oversized streamed object. When streaming to an IO JSON.dump(obj, io) and JSON::State#generate(obj, io) can write past the...
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.