High
libextractor — security advisory
GNU libextractor before 1.15 contains a stack-based buffer overflow vulnerability in the process_star_office function that sizes a variable-length stack array from attacker-controlled OLE2 stream data. Attackers can craft malicious StarOffice documents that allocate up to 4 MB on the stack, causing stack overflow and crashing any application extracting metadata from the document.
- Products
- libextractor
- Affected versions
- 1:1.1-1ubuntu1, 1:1.11-5, 1:1.11-8, 1:1.13-10, 1:1.13-3, 1:1.13-3build2, 1:1.13-3build3, 1:1.13-8build1, 1:1.13-9, 1:1.19-2, 1:1.2-1ubuntu1, 1:1.3-1, 1:1.3-1ubuntu0.1~esm1, 1:1.3-2build1, 1:1.3-2ubuntu1, 1:1.3-3, 1:1.3-4+deb9u3build0.16.04.1, 1:1.3-4build3, 1:1.6-1, 1:1.6-1build1, 1:1.6-2, 1:1.9-2, 1:1.9-2ubuntu1, 1:1.9-3
- Fixed versions
- Not specified
- CVEs
- CVE-2026-91752
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 03:31 UTC · Revision 1
Source evidence
GNU libextractor before 1.15 contains a stack-based buffer overflow vulnerability in the process_star_office function that sizes a variable-length stack array from attacker-controlled OLE2 stream data. Attackers can craft malicious StarOffice documents that allocate up to 4 MB on the stack, causing stack overflow and crashing any application extracting metadata from the document.
osv:UBUNTU-CVE-2026-91752
libextractor
Fixed versions: Not specified
libextractor
Fixed versions: Not specified
libextractor
Fixed versions: Not specified
libextractor
Fixed versions: Not specified
libextractor
Fixed versions: Not specified
libextractor
Fixed versions: Not specified
libextractor
Fixed versions: Not specified
libextractor
Fixed versions: Not specified
Complete source record
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"modified": "2026-10-17T13:01:17.321124807Z",
"provider": "osv",
"upstream": [
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],
"references": [
"https://ubuntu.com/security/CVE-2026-91752",
"https://www.cve.org/CVERecord?id=CVE-2026-91752",
"https://github.com/Haitam-lazaar/libextractor-ole2-rce",
"https://git.gnunet.org/gnunet/libextractor/commit/04004eb19033e093938138b09befdf31e71e8522.html",
"https://git.gnunet.org/gnunet/libextractor/commit/2781c7e9095f4ddaff4f535d69342f3903b18422.html",
"https://www.gnu.org/software/libextractor/",
"https://www.vulncheck.com/advisories/gnu-libextractor-before-1.15-stack-overflow-via-ole2"
]
},
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