231 lines
9.8 KiB
JSON
231 lines
9.8 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"cveId": "CVE-2026-32740",
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"state": "PUBLISHED",
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"assignerShortName": "GitHub_M",
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"dateReserved": "2026-03-13T15:02:00.628Z",
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"datePublished": "2026-05-19T19:22:07.743Z",
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"dateUpdated": "2026-07-15T01:07:45.388Z"
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},
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"containers": {
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"cna": {
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"title": "libheif: Heap-Buffer-Overflow Write in Grid Tile Chroma Compositing",
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"cweId": "CWE-787",
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"description": "CWE-787: Out-of-bounds Write",
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{
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"name": "https://github.com/strukturag/libheif/security/advisories/GHSA-frfr-f3vg-2g6j",
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"tags": [
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"x_refsource_CONFIRM"
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"url": "https://github.com/strukturag/libheif/security/advisories/GHSA-frfr-f3vg-2g6j"
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},
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{
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"name": "https://github.com/strukturag/libheif/releases/tag/v1.22.0",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/strukturag/libheif/releases/tag/v1.22.0"
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"vendor": "strukturag",
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"product": "libheif",
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"version": "< 1.22.0",
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"descriptions": [
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{
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"lang": "en",
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"value": "libheif is a HEIF and AVIF file format decoder and encoder. Versions 1.21.2 and prior contain a heap-buffer-overflow (write) vulnerability in the grid tile compositing, allowing an attacker to write 64 bytes of fully attacker-controlled data past the end of a chroma plane heap allocation by crafting a HEIF/AVIF file with a 1×4 grid of odd-height tiles. The overflow is triggered during normal image decoding with default build configuration. The written bytes are chroma (Cb/Cr) pixel values from the attacking tile, giving the attacker full control over the overflow content. This issue has been fixed in version 1.22.0."
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}
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],
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"source": {
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"advisory": "GHSA-frfr-f3vg-2g6j",
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"discovery": "UNKNOWN"
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"id": "CVE-2026-32740",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "total"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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"title": "CISA ADP Vulnrichment",
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"dateUpdated": "2026-05-21T13:06:55.372Z"
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}
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},
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{
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"affected": [
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{
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"cpes": [
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"cpe:/o:redhat:enterprise_linux:10"
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],
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"defaultStatus": "unaffected",
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"packageName": "glycin-loaders",
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"product": "Red Hat Enterprise Linux 10",
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"vendor": "Red Hat"
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}
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"datePublic": "2026-05-19T19:22:07.743Z",
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"descriptions": [
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{
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"lang": "en",
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"value": "A flaw was found in libheif, a library for decoding and encoding HEIF and AVIF image files. This heap-buffer-overflow vulnerability allows a remote attacker to write arbitrary data beyond the intended memory boundary. By crafting a malicious HEIF/AVIF file with a specific grid tile configuration, an attacker could potentially achieve arbitrary code execution or cause a denial of service."
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}
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"value": "Important"
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{
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"scope": "UNCHANGED",
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"userInteraction": "REQUIRED",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
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{
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"descriptions": [
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"cweId": "CWE-787",
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"description": "Out-of-bounds Write",
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}
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]
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}
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],
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"references": [
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{
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"tags": [
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"vdb-entry",
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],
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"url": "https://access.redhat.com/security/cve/CVE-2026-32740"
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},
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{
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"name": "RHBZ#2479969",
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2479969"
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},
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{
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"tags": [
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"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-32740.json"
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}
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],
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"timeline": [
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{
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"lang": "en",
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"time": "2026-05-19T20:01:03.545Z",
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"value": "Reported to Red Hat."
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},
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{
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"lang": "en",
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"time": "2026-05-19T19:22:07.743Z",
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"value": "Made public."
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}
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],
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"title": "libheif: libheif: Arbitrary code execution or denial of service via crafted HEIF/AVIF file",
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"x_adpType": "supplier",
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}
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} |