1725 lines
74 KiB
JSON
1725 lines
74 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-12912",
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"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
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"state": "PUBLISHED",
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"assignerShortName": "redhat",
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"dateReserved": "2026-06-22T15:36:26.194Z",
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"datePublished": "2026-06-29T16:31:34.581Z",
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"dateUpdated": "2026-11-04T22:04:42.514Z"
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},
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"containers": {
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"cna": {
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"title": "Libtiff: libtiff: heap-based buffer overflow via crafted pixarlog-compressed tiff image",
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"metrics": [
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{
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"other": {
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"content": {
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"value": "Important",
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"namespace": "https://access.redhat.com/security/updates/classification/"
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},
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"type": "Red Hat severity rating"
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}
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},
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{
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"cvssV3_1": {
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"attackComplexity": "LOW",
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"attackVector": "LOCAL",
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"availabilityImpact": "HIGH",
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"baseScore": 7.3,
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"baseSeverity": "HIGH",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"privilegesRequired": "LOW",
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"scope": "UNCHANGED",
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"userInteraction": "REQUIRED",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
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"version": "3.1"
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},
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"format": "CVSS"
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}
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],
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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 libtiff. A remote attacker could exploit this vulnerability by providing a specially crafted PixarLog-compressed TIFF image. This issue occurs when decoding Pixarlog codec images with the PIXARLOGDATAFMT_8BITABGR output format and a specific stride value, leading to a heap-based buffer overflow. This could potentially result in arbitrary code execution or a denial of service (DoS)."
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"description": "Heap-based Buffer Overflow",
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{
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"lang": "en",
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"value": "To mitigate this issue, applications processing untrusted TIFF images should avoid explicitly configuring `PIXARLOGDATAFMT_8BITABGR` when decoding PixarLog-compressed TIFF images with three samples per pixel. This specific combination of output format and samples per pixel is required to trigger the heap-based buffer overflow."
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"value": "Reported to Red Hat."
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"value": "Made public."
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],
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"vendor-advisory",
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"x_refsource_REDHAT"
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"tags": [
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"vendor-advisory",
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"x_refsource_REDHAT"
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"tags": [
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"vendor-advisory",
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"x_refsource_REDHAT"
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},
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{
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"tags": [
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"vendor-advisory",
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"x_refsource_REDHAT"
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}
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{
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"lang": "en",
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"value": "RHSA-2026:61657: Red Hat Enterprise Linux Server (v. 7 ELS)"
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},
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"lang": "en",
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"value": "RHSA-2026:49671: Red Hat Enterprise Linux AppStream EUS (v. 10.0), Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)"
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"lang": "en",
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"value": "RHSA-2026:47183: Red Hat Enterprise Linux AppStream (v. 8)"
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},
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"lang": "en",
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"value": "RHSA-2026:47184: Red Hat Enterprise Linux AppStream (v. 8), Red Hat Enterprise Linux CRB (v. 8)"
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},
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"lang": "en",
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"value": "RHSA-2026:54642: Red Hat Enterprise Linux AppStream AUS (v.8.4), Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)"
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},
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"lang": "en",
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"value": "RHSA-2026:54640: Red Hat Enterprise Linux AppStream AUS (v.8.6), Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6)"
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"lang": "en",
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"value": "RHSA-2026:58545: Red Hat Enterprise Linux AppStream AUS (v.8.6), Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6)"
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},
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"lang": "en",
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"value": "RHSA-2026:54638: Red Hat Enterprise Linux AppStream E4S (v.8.8), Red Hat Enterprise Linux AppStream TUS (v.8.8)"
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},
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"lang": "en",
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"value": "RHSA-2026:58553: Red Hat Enterprise Linux AppStream E4S (v.8.8), Red Hat Enterprise Linux AppStream TUS (v.8.8)"
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},
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"lang": "en",
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"value": "RHSA-2026:58554: Red Hat Enterprise Linux AppStream E4S (v.9.2)"
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"lang": "en",
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"value": "RHSA-2026:58556: Red Hat Enterprise Linux AppStream E4S (v.9.4)"
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"lang": "en",
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"value": "RHSA-2026:50774: Red Hat CodeReady Linux Builder EUS (v.9.6), Red Hat Enterprise Linux AppStream EUS (v.9.6)"
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},
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"lang": "en",
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"value": "RHSA-2026:42668: Red Hat Enterprise Linux AppStream (v. 9), Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)"
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},
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"lang": "en",
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"value": "RHSA-2026:34890: Red Hat Hardened Images"
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}
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"lang": "en",
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"time": "2026-06-25T00:00:00.000Z",
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"value": "Reported to Red Hat."
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"lang": "en",
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"time": "2026-04-16T00:00:00.000Z",
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"value": "Made public."
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}
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|
],
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|
"title": "libtiff: libtiff: Heap-based buffer overflow via crafted PixarLog-compressed TIFF image",
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|
"workarounds": [
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{
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|
"lang": "en",
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"value": "To mitigate this issue, applications processing untrusted TIFF images should avoid explicitly configuring `PIXARLOGDATAFMT_8BITABGR` when decoding PixarLog-compressed TIFF images with three samples per pixel. This specific combination of output format and samples per pixel is required to trigger the heap-based buffer overflow."
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}
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|
],
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]
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}
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} |