{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-42170", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2026-04-24T20:54:37.044Z", "datePublished": "2026-08-08T15:51:23.386Z", "dateUpdated": "2026-08-08T15:51:23.386Z"}, "containers": {"cna": {"title": "Gimp: gimp dds plug-in heap-based buffer overflow via bpp mismatch in load_layer() (ddsread.c)", "metrics": [{"other": {"content": {"value": "Important", "namespace": "https://access.redhat.com/security/updates/classification/"}, "type": "Red Hat severity rating"}}, {"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "format": "CVSS"}], "descriptions": [{"lang": "en", "value": "A heap-based buffer overflow vulnerability exists in the GIMP DDS (DirectDraw Surface) file parser. When a crafted DDS file declares a D3D9 pixel format but sets a lower bits-per-pixel (bpp) value in the header, the loader allocates an undersized heap buffer. Subsequent pixel data consumption at the real format's stride causes a write past the heap buffer boundary, leading to heap metadata corruption and potential code execution."}], "affected": [{"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 6", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "gimp", "defaultStatus": "affected", "cpes": ["cpe:/o:redhat:enterprise_linux:6"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 7", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "gimp", "defaultStatus": "affected", "cpes": ["cpe:/o:redhat:enterprise_linux:7"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "gimp:2.8/gimp", "defaultStatus": "affected", "cpes": ["cpe:/o:redhat:enterprise_linux:8"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "gimp", "defaultStatus": "unknown", "cpes": ["cpe:/o:redhat:enterprise_linux:9"]}], "references": [{"url": "https://access.redhat.com/security/cve/CVE-2026-42170", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2461726", "name": "RHBZ#2461726", "tags": ["issue-tracking", "x_refsource_REDHAT"]}], "datePublic": "2026-08-04T00:19:42.516Z", "problemTypes": [{"descriptions": [{"cweId": "CWE-131", "description": "Incorrect Calculation of Buffer Size", "lang": "en", "type": "CWE"}]}], "x_redhatCweChain": "CWE-131: Incorrect Calculation of Buffer Size", "workarounds": [{"lang": "en", "value": "Users should avoid opening untrusted DirectDraw Surface (DDS) image files with GIMP. As a general security practice, only process files from trusted sources. If GIMP is not essential, consider removing the `gimp` package to eliminate this attack vector."}], "timeline": [{"lang": "en", "time": "2026-04-24T20:54:13.940Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2026-08-04T00:19:42.516Z", "value": "Made public."}], "credits": [{"lang": "en", "value": "Red Hat would like to thank HanTul for reporting this issue."}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-08-08T15:51:23.386Z"}, "x_generator": {"engine": "cvelib 1.8.0"}}}}

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{"acknowledgement": "Red Hat would like to thank HanTul for reporting this issue.", "bugzilla": {"description": "gimp: GIMP DDS plug-in heap-based buffer overflow via BPP mismatch in load_layer() (ddsread.c)", "id": "2461726", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2461726"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-131", "details": ["A heap-based buffer overflow vulnerability exists in the GIMP DDS (DirectDraw Surface) file parser. When a crafted DDS file declares a D3D9 pixel format but sets a lower bits-per-pixel (bpp) value in the header, the loader allocates an undersized heap buffer. Subsequent pixel data consumption at the real format's stride causes a write past the heap buffer boundary, leading to heap metadata corruption and potential code execution."], "mitigation": {"lang": "en:us", "value": "Users should avoid opening untrusted DirectDraw Surface (DDS) image files with GIMP. As a general security practice, only process files from trusted sources. If GIMP is not essential, consider removing the `gimp` package to eliminate this attack vector."}, "name": "CVE-2026-42170", "public_date": "2026-08-04T00:19:42Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-42170\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-42170"], "statement": "This heap-based buffer overflow vulnerability in the GIMP DDS plug-in could lead to heap metadata corruption and potential code execution. The flaw is triggered when a user opens a specially crafted DDS image file. Red Hat Enterprise Linux systems with GIMP installed are affected if users process untrusted DDS files.", "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": null}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "product": "gimp", "vendor": "gimp"}], "created": "2026-08-04T19:45:03.522564+00:00", "updated": "2026-08-05T10:17:45.285054+00:00", "vendors": ["gimp", "gimp$PRODUCT$gimp"]}