EUVD-2025-17576CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:H
Lifecycle Timeline
4DescriptionNVD
A vulnerability has been identified in the libarchive library. This flaw can lead to a heap buffer over-read due to the size of a filter block potentially exceeding the Lempel-Ziv-Storer-Schieber (LZSS) window. This means the library may attempt to read beyond the allocated memory buffer, which can result in unpredictable program behavior, crashes (denial of service), or the disclosure of sensitive information from adjacent memory regions.
Analysis
A vulnerability has been identified in the libarchive library. This flaw can lead to a heap buffer over-read due to the size of a filter block potentially exceeding the Lempel-Ziv-Storer-Schieber (LZSS) window. This means the library may attempt to read beyond the allocated memory buffer, which can result in unpredictable program behavior, crashes (denial of service), or the disclosure of sensitive information from adjacent memory regions.
Technical ContextAI
A buffer overflow occurs when data written to a buffer exceeds its allocated size, potentially overwriting adjacent memory and corrupting program state. This vulnerability is classified as Heap-based Buffer Overflow (CWE-122).
RemediationAI
A vendor patch is available — apply it immediately. Use memory-safe languages or bounds-checked functions. Enable ASLR, DEP/NX, and stack canaries. Apply vendor patches promptly.
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Vendor StatusVendor
Ubuntu
Priority: Medium| Release | Status | Version |
|---|---|---|
| trusty | needs-triage | - |
| xenial | needs-triage | - |
| bionic | needs-triage | - |
| focal | needs-triage | - |
| upstream | needs-triage | - |
| jammy | released | 3.6.0-1ubuntu1.5 |
| noble | released | 3.7.2-2ubuntu0.5 |
| oracular | released | 3.7.4-1ubuntu0.3 |
| plucky | released | 3.7.7-0ubuntu2.3 |
| questing | released | 3.7.7-0ubuntu3 |
Debian
Bug #1107622| Release | Status | Fixed Version | Urgency |
|---|---|---|---|
| bullseye | not-affected | - | - |
| bullseye (security) | fixed | 3.4.3-2+deb11u3 | - |
| bookworm | fixed | 3.6.2-1+deb12u3 | - |
| bookworm (security) | vulnerable | 3.6.2-1+deb12u2 | - |
| trixie | fixed | 3.7.4-4 | - |
| forky, sid | fixed | 3.8.5-1 | - |
| (unstable) | fixed | 3.7.4-4 | - |
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External POC / Exploit Code
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