CVE-2026-40468
CVE-2026-40468: 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 severityMedium4.4
Medium [CVE-2026-40468] Memory corruption via integer overflow
CVE-2026-40468Source published Source updated
Integer overflow vulnerability has been found in "builtin.c" program file of gawk. This issue may lead to memory exhaustion on the hosting operating system and could be used to overwrite gawk heap metadata and objects with attacker-controlled bytes. It affects gawk in versions 5.4.0 and below. A flaw was found in gawk. An integer overflow vulnerability could allow a local attacker to cause memory exhaustion, leading to a denial of service. This flaw may also enable an attacker to corrupt gawk's internal memory, potentially leading to system instability. This could lead to system instability or a denial of service on affected Red Hat products, requiring local access to execute a malicious gawk script. Red Hat severity: Moderate — CVSS 4.4 (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L).…
- Affected products in this advisory
- Red Hat Hardened Images
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
4 more entries in the full advisory.
- Source-reported affected versions
- 5.4.0
- Source-reported fixed versions
- gawk-main-5.4.0-3.1.hum1
- gawk-main-5.4.1-1.hum1
- RHSA-2026:40041
- RHSA-2026:49661
- Mitigation guidance
- Do not execute untrusted awk scripts or process untrusted inputs that could trigger oversized calculations in builtin.c.
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