CVE-2026-119601
AFFLIB through 3.7.22 Heap Out-of-Bounds Write in af_get_page
CVSS Score
6.1
EPSS Score
0.0%
EPSS Percentile
0th
AFFLIB through 3.7.22 contains a heap out-of-bounds write vulnerability in af_get_page() that allows attackers to corrupt heap memory by supplying crafted AFF images with mismatched page and sector sizes. Attackers can set a page size larger than and not a multiple of the sector size, causing the sector zero-fill loop to write past the buffer and crash forensic tools.
| CWE | CWE-787 |
| Vendor | sshock |
| Product | afflib |
| Published | Oct 30, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
High
Affected Versions
sshock / AFFLIB
0 ≤ 3.7.22
References
github.com: https://github.com/sshock/AFFLIBv3/issues/61 github.com: https://github.com/sshock/AFFLIBv3/blob/v3.7.22/lib/afflib_pages.cpp#L309-L315 hackmd.io: https://hackmd.io/@haindpwn/afflib-aff-get-page-sector-fill-oob-write github.com: https://github.com/sshock/AFFLIBv3 vulncheck.com: https://www.vulncheck.com/advisories/afflib-through-3.7.22-heap-out-of-bounds-write-in-af-get-page
Credits
HaiND from the Post and Telecommunication Institute of Technology