GIMP PSD Parser read_RLE_channel integer overflow

Summaryinfo

A vulnerability was found in GIMP. It has been rated as critical. This vulnerability affects the function read_RLE_channel of the component PSD Parser. This manipulation causes integer overflow. This vulnerability is handled as CVE-2026-58384. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in GIMP (version unknown). It has been declared as critical. Affected by this vulnerability is the function read_RLE_channel of the component PSD Parser. The manipulation with an unknown input leads to a integer overflow vulnerability. The CWE definition for the vulnerability is CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The advisory is shared at access.redhat.com. This vulnerability is known as CVE-2026-58384 since 06/30/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/07/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

• Image Processing Software

Name

• GIMP

License

• open-source

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CPE 2.2info

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