CVE-2026-26740
CVE-2026-26740: 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 severityHigh7.5
High [CVE-2026-26740] Denial of Service via buffer overflow in EGifGCBToExtension
CVE-2026-26740Source published
Denial of Service via buffer overflow in EGifGCBToExtension. Red Hat rates this important (CVSS 7.5). Weakness: CWE-787. Affected package(s): giflib. Resolved in Red Hat advisory RHSA-2026:33503 — update the affected packages (`sudo dnf update`).
- Affected products in this advisory
- Red Hat Enterprise Linux 10.0 Extended Update Support
- Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
- Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
- Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
13 more entries in the full advisory.
- Source-reported affected versions
- giflib-0:5.1.4-3.el8_6.2
- giflib-0:5.1.4-3.el8_4.2
- giflib-0:5.2.1-10.el9_8.2
- giflib-0:5.2.1-9.el9_2.2
6 more entries in the full advisory.
- Source-reported fixed versions
- RHSA-2026:33503
- Mitigation guidance
- Update the affected package(s) to the fixed version shipped in RHSA-2026:33503 (`sudo dnf update` / `yum update`).
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