CVE-2026-4775 (GCVE-0-2026-4775)
Vulnerability from cvelistv5
Published
2026-03-24 14:42
Modified
2026-06-10 07:50
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-190 - Integer Overflow or Wraparound
Summary
A flaw was found in the libtiff library. A remote attacker could exploit a signed integer overflow vulnerability in the putcontig8bitYCbCr44tile function by providing a specially crafted TIFF file. This flaw can lead to an out-of-bounds heap write due to incorrect memory pointer calculations, potentially causing a denial of service (application crash) or arbitrary code execution.
References
Impacted products
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| Red Hat | Red Hat Enterprise Linux 10 |
Unaffected: 0:4.6.0-6.el10_1.3 < * cpe:/o:redhat:enterprise_linux:10.1 |
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{
"name": "RHSA-2026:19657",
"tags": [
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],
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},
{
"name": "RHSA-2026:19659",
"tags": [
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},
{
"name": "RHSA-2026:19702",
"tags": [
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"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2026:19702"
},
{
"name": "RHSA-2026:20583",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2026:20583"
},
{
"name": "RHSA-2026:20585",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2026:20585"
},
{
"name": "RHSA-2026:20591",
"tags": [
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],
"url": "https://access.redhat.com/errata/RHSA-2026:20591"
},
{
"name": "RHSA-2026:20592",
"tags": [
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],
"url": "https://access.redhat.com/errata/RHSA-2026:20592"
},
{
"name": "RHSA-2026:24992",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2026:24992"
},
{
"tags": [
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"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/security/cve/CVE-2026-4775"
},
{
"name": "RHBZ#2450768",
"tags": [
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],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2450768"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-03-24T14:23:23.826Z",
"value": "Reported to Red Hat."
},
{
"lang": "en",
"time": "2026-03-24T14:33:35.730Z",
"value": "Made public."
}
],
"title": "Libtiff: libtiff: arbitrary code execution or denial of service via signed integer overflow in tiff file processing",
"workarounds": [
{
"lang": "en",
"value": "To mitigate this issue, avoid processing untrusted or maliciously crafted TIFF files with applications linked against the libtiff library. If processing untrusted TIFF files is unavoidable, consider running the affected applications within a sandboxed environment to limit the potential impact of successful exploitation. This operational control helps contain the effects of an out-of-bounds write, reducing the risk of denial of service or arbitrary code execution."
}
],
"x_generator": {
"engine": "cvelib 1.8.0"
},
"x_redhatCweChain": "CWE-190: Integer Overflow or Wraparound"
}
},
"cveMetadata": {
"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"assignerShortName": "redhat",
"cveId": "CVE-2026-4775",
"datePublished": "2026-03-24T14:42:47.529Z",
"dateReserved": "2026-03-24T14:26:05.988Z",
"dateUpdated": "2026-06-10T07:50:44.552Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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