CVE-2026-4177
CVE-2026-4177: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Red Hat
1 advisory- Advisory severityHigh7.3
High [CVE-2026-4177] YAML::Syck versions through 1.36 for Perl has several potential security vulnerabilities including a high-severity heap buffer overflow in the YAML emitter
CVE-2026-4177Source published
YAML::Syck versions through 1.36 for Perl has several potential security vulnerabilities including a high-severity heap buffer overflow in the YAML emitter. Red Hat rates this important (CVSS 7.3). Weakness: CWE-120. Affected package(s): perl-YAML-Syck. Resolved in Red Hat advisory RHSA-2026:6470 — update the affected packages (`sudo dnf update`).
- Affected products in this advisory
- Red Hat Enterprise Linux 7 Extended Lifecycle Support
- Red Hat Enterprise Linux 8
- Source-reported affected versions
- perl-YAML-Syck-0:1.27-3.el7_9.1
- perl-YAML-Syck-0:1.30-6.el8_10
- Source-reported fixed versions
- RHSA-2026:6470
- Mitigation guidance
- Update the affected package(s) to the fixed version shipped in RHSA-2026:6470 (`sudo dnf update` / `yum update`).
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