High [CVE-2026-58384] integer overflow in read_rle_channel
This high-severity Red Hat Linux advisory covers CVE-2026-58384 affecting Red Hat Enterprise Linux 9, Red Hat package: gimp.
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Summary
A flaw was found in GIMP's PSD parser. An integer overflow in read_RLE_channel() can cause an undersized heap allocation for the RLE row-length table, after which subsequent per-row writes corrupt heap memory.
This could lead to memory corruption, potentially resulting in denial of service or arbitrary code execution. Successful exploitation requires a user to open a specially crafted PSD file.
Red Hat severity: Important — CVSS 7.3 (CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H). Weakness: CWE-190.
Affected Red Hat products: Red Hat Enterprise Linux 9. Red Hat fixing advisory: RHSA-2026:40751.
Affected products named by the advisory: Red Hat package: gimp.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 21 days ago·verify at source
- gimp-2:3.0.4-4.el9_8.7
- RHSA-2026:40751
Official advisory · high-confidence parse· fetched 21 days ago·verify at source
Mitigation checklist
- None — requires opening a crafted PSD file.
Official advisory · high-confidence parse· fetched 21 days ago·verify at source
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