Linuxsecurity Multiple Ruby Vulnerabilities in Oracle Linux Require Immediate Attention
Article Content
- •Critical vulnerabilities in Ruby affect Oracle Linux 8 and 9, requiring urgent updates.
- •CVE-2026-41316 allows arbitrary code execution via deserialization bypass.
- •Denial of service vulnerabilities (CVE-2026-42245, CVE-2026-33210) can lead to information disclosure.
Recent updates for Oracle Linux address critical vulnerabilities in Ruby affecting versions 2.5, 3.3, and 4.0. Key issues include a code execution flaw (CVE-2026-41316) and denial of service vulnerabilities (CVE-2026-42245, CVE-2026-33210) that could be exploited via crafted IMAP responses and format string injections. The vulnerabilities impact various Ruby gems and could allow attackers to execute arbitrary code or disclose sensitive information. Systems running Oracle Linux 8 and 9 are at risk, necessitating immediate patching. The vulnerabilities were disclosed between March and May 2026, with some having public proof-of-concept exploits. Administrators are advised to update their Ruby installations and associated gems promptly to mitigate these risks.
Ask AI about this cluster
Answers cite the sources they use
Timeline
More articles in this cluster (10)
Following this threat?
Track CVE-2019-19012 in your own feed — you're alerted when they show up in new reporting, leak sites or exploitation.
Free account · no card needed
Continue Reading
Critical RCE Vulnerability in Prefab UI Disclosed A critical remote code execution vulnerability, CVE-2026-120338, was disclosed on November 1, 2026, affecting Prefab UI's Generative UI sandbox. The flaw allows attackers to execute arbitrary Python code by exploiting Deno's permissions, enabling file read/write access on the host server. This vulnerability affects… 
Chinese Actor Compromises US Government Networks via PHP2Shell Exploit A suspected Chinese nation-state actor exploited vulnerabilities in Palo Alto Networks firewalls using a chained PHP2Shell exploit and a Linux kernel privilege escalation flaw. The attack, which began on October 23, targeted 25 servers across the US, Japan, Taiwan, and South Korea, with a focus on US…