CVE-2026-112276
Full vulnerability record from the local CVENow database.
Description
Netpbm through 11.16.00 contains a heap out-of-bounds read vulnerability in rasttopnm that allows attackers to read heap memory by supplying Sun rasterfiles with short colormaps. Attackers can craft colormapped rasterfiles with pixel bytes exceeding the palette length to leak up to 255 adjacent heap bytes into the PNM output or crash the program.
Severity
MEDIUM
CVSS score
6.9
(v4.0)
Vulnerability status
Deferred
Source identifier
Published
2026-10-19 14:17:05.520000
Last modified
2026-10-19 21:14:14.150000
View original CVE JSON
{
"id": "CVE-2026-112276",
"sourceIdentifier": "[email protected]",
"published": "2026-10-19T14:17:05.520",
"lastModified": "2026-10-19T21:14:14.150",
"vulnStatus": "Deferred",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Netpbm through 11.16.00 contains a heap out-of-bounds read vulnerability in rasttopnm that allows attackers to read heap memory by supplying Sun rasterfiles with short colormaps. Attackers can craft colormapped rasterfiles with pixel bytes exceeding the palette length to leak up to 255 adjacent heap bytes into the PNM output or crash the program."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Netpbm",
"product": "Netpbm",
"defaultStatus": "unaffected",
"collectionURL": "https://sourceforge.net/p/netpbm/code/",
"repo": "https://sourceforge.net/p/netpbm/code/",
"versions": [
{
"version": "0",
"lessThanOrEqual": "11.16.00",
"versionType": "custom",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV40": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "4.0",
"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/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",
"baseScore": 6.9,
"baseSeverity": "MEDIUM",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"userInteraction": "PASSIVE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "NONE",
"vulnAvailabilityImpact": "HIGH",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"exploitMaturity": "NOT_DEFINED",
"confidentialityRequirement": "NOT_DEFINED",
"integrityRequirement": "NOT_DEFINED",
"availabilityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"valueDensity": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED"
}
}
],
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H",
"baseScore": 6.1,
"baseSeverity": "MEDIUM",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "REQUIRED",
"scope": "UNCHANGED",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.8,
"impactScore": 4.2
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-10-19T14:13:20.015700Z",
"id": "CVE-2026-112276",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-125"
}
]
}
],
"references": [
{
"url": "https://hackmd.io/@haindpwn/netpbm-sunraster-rle-oob-write-palette-oob-read",
"source": "[email protected]"
},
{
"url": "https://netpbm.sourceforge.net/",
"source": "[email protected]"
},
{
"url": "https://sourceforge.net/p/netpbm/code/5400/tree/advanced/converter/other/rast.c",
"source": "[email protected]"
},
{
"url": "https://sourceforge.net/p/netpbm/code/5400/tree/advanced/converter/other/rasttopnm.c",
"source": "[email protected]"
},
{
"url": "https://www.vulncheck.com/advisories/netpbm-through-11.16.00-heap-out-of-bounds-read-via-rasttopnm-colormap",
"source": "[email protected]"
},
{
"url": "https://hackmd.io/@haindpwn/cve-2026-112275-112276-netpbm-sunraster-rle-oob-write-palette-oob-read",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
}
]
}