{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-70652", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-08-04T21:48:08.612Z", "datePublished": "2026-08-20T21:04:51.898Z", "dateUpdated": "2026-08-20T21:04:51.898Z"}, "containers": {"cna": {"title": "libvips: Possible heap-based buffer read overflow when resizing and re-encoding a JPEG with gain map", "problemTypes": [{"descriptions": [{"cweId": "CWE-126", "lang": "en", "description": "CWE-126: Buffer Over-read", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "LOCAL", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 2, "baseSeverity": "LOW", "vectorString": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/libvips/libvips/security/advisories/GHSA-h27h-jf9v-m8rg", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/libvips/libvips/security/advisories/GHSA-h27h-jf9v-m8rg"}, {"name": "https://github.com/libvips/libvips/pull/5039", "tags": ["x_refsource_MISC"], "url": "https://github.com/libvips/libvips/pull/5039"}, {"name": "https://github.com/libvips/libvips/commit/cff17794f0698a4f47c74bb31c9700b2c83252a8", "tags": ["x_refsource_MISC"], "url": "https://github.com/libvips/libvips/commit/cff17794f0698a4f47c74bb31c9700b2c83252a8"}, {"name": "https://github.com/libvips/libvips/releases/tag/v8.18.3", "tags": ["x_refsource_MISC"], "url": "https://github.com/libvips/libvips/releases/tag/v8.18.3"}], "affected": [{"vendor": "libvips", "product": "libvips", "versions": [{"version": "< 8.18.3", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-20T21:04:51.898Z"}, "descriptions": [{"lang": "en", "value": "libvips is a fast image processing library with low memory needs. Prior to version 8.18.3, libvips built with libultrahdr support can incorrectly size an output buffer in libvips/foreign/uhdrsave.c within vips_foreign_save_uhdr_set_raw_hdr when a pipeline enlarges an incoming JPEG to a very large output before encoding a gain map through VipsForeignSaveUhdr. The undersized allocation can cause a heap buffer over-read that may disclose adjacent data or crash the process. This issue is fixed in version 8.18.3."}], "source": {"advisory": "GHSA-h27h-jf9v-m8rg", "discovery": "UNKNOWN"}}}}

{}

{"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, libvips built with libultrahdr support can incorrectly size an output buffer in libvips/foreign/uhdrsave.c within vips_foreign_save_uhdr_set_raw_hdr when a pipeline enlarges an incoming JPEG to a very large output before encoding a gain map through VipsForeignSaveUhdr. The undersized allocation can cause a heap buffer over-read that may disclose adjacent data or crash the process. This issue is fixed in version 8.18.3."}], "id": "CVE-2026-70652", "lastModified": "2026-08-20T21:17:08.270", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 2.0, "baseSeverity": "LOW", "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:N/PR:L/UI:N/VC:L/VI:N/VA:L/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": "LOW", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-08-20T21:17:08.270", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/libvips/libvips/commit/cff17794f0698a4f47c74bb31c9700b2c83252a8"}, {"source": "security-advisories@github.com", "url": "https://github.com/libvips/libvips/pull/5039"}, {"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-h27h-jf9v-m8rg"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-126"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,8.18.3)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "libvips", "source": "cna", "vendor": "libvips"}, "product": "libvips", "vendor": "libvips"}], "created": "2026-08-20T23:30:06.970780+00:00", "updated": "2026-08-21T01:15:07.279767+00:00", "vendors": ["libvips", "libvips$PRODUCT$libvips"]}