CVE-2026-18300
CVE-2026-18300: 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 severityHigh7.8
High [CVE-2026-18300] Remote code execution via integer overflow in HDR file parsing
CVE-2026-18300Source published Source updated
GIMP HDR File Parsing Integer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GIMP. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of HDR files. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-29289. Red Hat severity: Important — CVSS 7.8 (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H). Weakness: CWE-190. Affected Red Hat products: Red Hat Enterprise Linux 8; Red…
- Affected products in this advisory
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
3 more entries in the full advisory.
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- gegl04-0:0.4.4-7.el8_10.1
- gegl-0:0.2.0-40.el8_10.1
- gegl04-0:0.4.62-1.el9_8.2
- RHSA-2026:62420
2 more entries in the full advisory.
- Mitigation guidance
- Users should exercise caution when opening HDR files from untrusted sources. It is recommended to only open HDR files from known and trusted origins to reduce the risk of exploitation. Additionally, consider running GIMP within a sandboxed environment if processing untrusted files is a regular activity.
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