CVE-2026-70654

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{"affected": [{"affectedData": [{"product": "libvips", "vendor": "libvips", "versions": [{"status": "affected", "version": "< 8.18.3"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "libvips is a fast image processing library with low memory needs. Prior to version 8.18.3, applications that define unusual custom libvips sources and use them to process untrusted uncompressed PPM images can trigger a max/min error in vips_source_read_to_memory in libvips/iofuncs/source.c. The function uses VIPS_MAX instead of VIPS_MIN when selecting the remaining read size, allowing up to 4032 bytes to be written beyond the allocated heap buffer and causing memory corruption or a process crash. This issue is fixed in version 8.18.3."}, {"lang": "es", "value": "libvips es una r\u00e1pida biblioteca de procesamiento de im\u00e1genes con bajas necesidades de memoria. Antes de la versi\u00f3n 8.18.3, las aplicaciones que definen fuentes libvips personalizadas inusuales y las usan para procesar im\u00e1genes PPM sin comprimir no confiables pueden desencadenar un error de max/min en vips_source_read_to_memory en libvips/iofuncs/source.c. La funci\u00f3n utiliza VIPS_MAX en lugar de VIPS_MIN al seleccionar el tama\u00f1o de lectura restante, permitiendo que se escriban hasta 4032 bytes m\u00e1s all\u00e1 del b\u00fafer de pila asignado y causando corrupci\u00f3n de memoria o un fallo del proceso. Este problema est\u00e1 solucionado en la versi\u00f3n 8.18.3."}], "id": "CVE-2026-70654", "lastModified": "2026-10-26T10:10:00.140", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.8, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-70654", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-21T11:32:57.942167Z", "version": "2.0.3"}}]}, "published": "2026-08-20T21:17:08.567", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/libvips/libvips/commit/80e021c6cdda0f80b756c2109d99839c94c03258"}, {"source": "security-advisories@github.com", "url": "https://github.com/libvips/libvips/pull/5038"}, {"source": "security-advisories@github.com", "url": "https://github.com/libvips/libvips/releases/tag/v8.18.3"}, {"source": "security-advisories@github.com", "url": "https://github.com/libvips/libvips/security/advisories/GHSA-rjmm-3qch-m9rg"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-122"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "libvips: libvips: Heap buffer overflow allows memory corruption and denial of service.", "id": "2520800", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2520800"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-787", "details": ["libvips is a fast image processing library with low memory needs. Prior to version 8.18.3, applications that define unusual custom libvips sources and use them to process untrusted uncompressed PPM images can trigger a max/min error in vips_source_read_to_memory in libvips/iofuncs/source.c. The function uses VIPS_MAX instead of VIPS_MIN when selecting the remaining read size, allowing up to 4032 bytes to be written beyond the allocated heap buffer and causing memory corruption or a process crash. This issue is fixed in version 8.18.3.", "A flaw was found in libvips, an image processing library. When applications process untrusted uncompressed PPM (Portable Pixmap) images through unusual custom libvips sources, a heap buffer overflow can occur. This vulnerability, located in the vips_source_read_to_memory function, allows a local attacker to write beyond an allocated memory buffer. This can lead to memory corruption or cause the application to crash, resulting in a denial of service."], "name": "CVE-2026-70654", "public_date": "2026-08-20T21:07:25Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-70654\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-70654\nhttps://github.com/libvips/libvips/commit/80e021c6cdda0f80b756c2109d99839c94c03258\nhttps://github.com/libvips/libvips/pull/5038\nhttps://github.com/libvips/libvips/releases/tag/v8.18.3\nhttps://github.com/libvips/libvips/security/advisories/GHSA-rjmm-3qch-m9rg"], "statement": "This Moderate impact flaw in libvips involves a heap buffer overflow when processing untrusted uncompressed PPM images through applications configured with unusual custom libvips sources. Exploitation requires a specific, non-default application setup and user interaction, which reduces the overall risk in typical Red Hat environments. The vulnerability can lead to memory corruption or application crashes.", "threat_severity": "Moderate"}

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