CVE-2026-18309
CVE-2026-18309: 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-2026-18309] Remote Code Execution via APNG file parsing integer overflow
CVE-2026-18309Source published Source updated
GIMP APNG 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 APNG 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-29401. A flaw was found in GIMP. Successful exploitation requires user interaction, such as opening a malicious file. Red Hat severity: Important — CVSS 7.8…
- Affected products in this advisory
- Red Hat Enterprise Linux 6
- Red Hat package: gimp
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- To mitigate this issue, users should exercise caution and avoid opening APNG image files from untrusted or suspicious sources. Additionally, running GIMP within a sandboxed environment, such as a Flatpak, can help limit the potential impact of successful exploitation by restricting access to system resources.
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