CVE-2026-48029

libheif is a HEIF and AVIF file format decoder and encoder. Versions 1.19.0 through 1.21.2 have a heap OOB read in ImageItem_Grid::decode_grid_tile via irot-induced tile-coordinate underflow. Version 1.22.0 fixes the issue.

CVSS v3 7.1 HIGH

7.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 4.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/strukturag/libheif/commit/e523ec0bf379110b7c33d4c159f8b1202d332157	Patch
https://github.com/strukturag/libheif/security/advisories/GHSA-6x5f-qchq-cxqv	Mitigation Vendor Advisory Exploit
https://github.com/strukturag/libheif/security/advisories/GHSA-6x5f-qchq-cxqv	Mitigation Vendor Advisory Exploit

Configurations

Configuration 1 (hide)

cpe:2.3:a:struktur:libheif:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-07-22 15:17

Updated : 2026-08-06 00:56

NVD link : CVE-2026-48029

Mitre link : CVE-2026-48029

CVE.ORG link : CVE-2026-48029

JSON object : View

Products Affected

struktur

libheif

CWE

CWE-125

Out-of-bounds Read

CWE-191

Integer Underflow (Wrap or Wraparound)

{"id": "CVE-2026-48029", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-48029", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-22T15:20:15.371762Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 4.2, "exploitabilityScore": 2.8}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "strukturag", "product": "libheif", "versions": [{"status": "affected", "version": ">= 1.19.0, < 1.22.0"}]}]}], "published": "2026-07-22T15:17:18.357", "references": [{"url": "https://github.com/strukturag/libheif/commit/e523ec0bf379110b7c33d4c159f8b1202d332157", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/strukturag/libheif/security/advisories/GHSA-6x5f-qchq-cxqv", "tags": ["Mitigation", "Vendor Advisory", "Exploit"], "source": "security-advisories@github.com"}, {"url": "https://github.com/strukturag/libheif/security/advisories/GHSA-6x5f-qchq-cxqv", "tags": ["Mitigation", "Vendor Advisory", "Exploit"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-125"}, {"lang": "en", "value": "CWE-191"}]}], "descriptions": [{"lang": "en", "value": "libheif is a HEIF and AVIF file format decoder and encoder. Versions 1.19.0 through 1.21.2 have a heap OOB read in ImageItem_Grid::decode_grid_tile via irot-induced tile-coordinate underflow. Version 1.22.0 fixes the issue."}], "lastModified": "2026-08-06T00:56:27.330", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:struktur:libheif:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "213101B8-C70F-4134-A6D6-C2E18434237C", "versionEndExcluding": "1.22.0", "versionStartIncluding": "1.19.0"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}