Medium
libpodofo — security advisory
PoDoFo is a C++17 PDF manipulation library. From version 1.0.0 until 1.1.1, processing a crafted PDF with an Indexed color-space image can cause a heap out-of-bounds read in PdfColorSpaceFilterIndexed::FetchScanLine in src/podofo/main/PdfColorSpaceFilter.cpp. PODOFO_INVARIANT does not perform a runtime check, so a pixel index greater than or equal to m_MapSize can address beyond m_lookup. PdfColorSpaceFilterFactory::TryCreateFromObject also validates hival with an incorrect conjunction and no upper bound, allowing malformed Indexed color-space metadata outside the expected range. The resulting read can disclose adjacent heap data or crash the processing application. This issue is fixed in version 1.1.1.
- Products
- libpodofo
- Affected versions
- 0.9.0-1.1ubuntu1, 0.9.0-1.2, 0.9.0-1.2ubuntu0.1~esm1, 0.9.0-1.2ubuntu0.1~esm3, 0.9.0-1.3, 0.9.3-3, 0.9.3-4, 0.9.3-4ubuntu0.1~esm1, 0.9.5-6, 0.9.5-8, 0.9.5-8build1, 0.9.5-9, 0.9.5-9ubuntu0.1~esm1, 0.9.6+dfsg-5, 0.9.6+dfsg-5build1, 0.9.6+dfsg-5ubuntu0.1~esm1, 0.9.7+dfsg-2, 0.9.7+dfsg-2build1, 0.9.7+dfsg-2build2, 0.9.7+dfsg-3, 0.9.7+dfsg-3ubuntu0.1~esm1, 0.9.8+dfsg-3.1build1, 0.9.8+dfsg-3.1build2, 0.9.8+dfsg-3.1build3, 0.9.8+dfsg-3.2, 0.9.8+dfsg-3.3, 0.9.8+dfsg-3.3build1, 0.9.8+dfsg-3build1, 0.9.8+dfsg-3build2
- Fixed versions
- Not specified
- CVEs
- CVE-2026-54633
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 03:09 UTC · Revision 1
Source evidence
PoDoFo is a C++17 PDF manipulation library. From version 1.0.0 until 1.1.1, processing a crafted PDF with an Indexed color-space image can cause a heap out-of-bounds read in PdfColorSpaceFilterIndexed::FetchScanLine in src/podofo/main/PdfColorSpaceFilter.cpp. PODOFO_INVARIANT does not perform a runtime check, so a pixel index greater than or equal to m_MapSize can address beyond m_lookup. PdfColorSpaceFilterFactory::TryCreateFromObject also validates hival with an incorrect conjunction and no upper bound, allowing malformed Indexed color-space metadata outside the expected range. The resulting read can disclose adjacent heap data or crash the processing application. This issue is fixed in version 1.1.1.
osv:UBUNTU-CVE-2026-54633
libpodofo
Fixed versions: Not specified
libpodofo
Fixed versions: Not specified
libpodofo
Fixed versions: Not specified
libpodofo
Fixed versions: Not specified
libpodofo
Fixed versions: Not specified
libpodofo
Fixed versions: Not specified
libpodofo
Fixed versions: Not specified
libpodofo
Fixed versions: Not specified
Complete source record
{
"id": "21c9cf40d2eb7cd427bcdebc442004ba1f2706eafd02292ab1254af8ac174652",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-54633",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2026-54633",
"summary": "PoDoFo is a C++17 PDF manipulation library. From version 1.0.0 until 1.1.1, processing a crafted PDF with an Indexed color-space image can cause a heap out-of-bounds read in PdfColorSpaceFilterIndexed::FetchScanLine in src/podofo/main/PdfColorSpaceFilter.cpp. PODOFO_INVARIANT does not perform a runtime check, so a pixel index greater than or equal to m_MapSize can address beyond m_lookup. PdfColorSpaceFilterFactory::TryCreateFromObject also validates hival with an incorrect conjunction and no upper bound, allowing malformed Indexed color-space metadata outside the expected range. The resulting read can disclose adjacent heap data or crash the processing application. This issue is fixed in version 1.1.1.",
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],
"modified": "2026-10-17T13:00:26.434802528Z",
"provider": "osv",
"upstream": [
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],
"references": [
"https://ubuntu.com/security/CVE-2026-54633",
"https://www.cve.org/CVERecord?id=CVE-2026-54633",
"https://github.com/podofo/podofo/security/advisories/GHSA-f3j2-7846-h5gg",
"https://github.com/podofo/podofo/commit/999c519d285c4a65eba48409d9cd2da9d4743cca",
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"value": "CVE-2026-54633",
"evidence": "/upstream"
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],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 360545,
"published_at": "2026-09-17T22:17:00+00:00"
}