ALPINE-CVE-2016-9296
Record from OSV · Published November 12, 2016
A null pointer dereference bug affects the 16.02 and many old versions of p7zip. A lack of null pointer check for the variable folders.PackPositions in function CInArchive::ReadAndDecodePackedStreams in CPP/7zip/Archive/7z/7zIn.cpp, as used in the 7z.so library and in 7z applications, will cause a crash and a denial of service when decoding malformed 7z files.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| p7zip | Alpine:v3.9 | 16.02-r1 |
| p7zip | Alpine:v3.11 | 16.02-r1 |
| p7zip | Alpine:v3.14 | 16.02-r1 |
| p7zip | Alpine:v3.15 | 16.02-r1 |
| p7zip | Alpine:v3.10 | 16.02-r1 |
| p7zip | Alpine:v3.12 | 16.02-r1 |
| p7zip | Alpine:v3.5 | 16.02-r1 |
| p7zip | Alpine:v3.8 | 16.02-r1 |
| p7zip | Alpine:v3.7 | 16.02-r1 |
| p7zip | Alpine:v3.13 | 16.02-r1 |
| p7zip | Alpine:v3.6 | 16.02-r1 |
| p7zip | Alpine:v3.17 | 16.02-r1 |
1 more packages have a fixed version. See every fix in Lookup.
Risk scores
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.9 | p7zip | 9.38.1-r0, 16.02-r0, 15.14.1-r0 |
| Alpine:v3.11 | p7zip | 0, 16.02-r0, 4.65-r0 |
| Alpine:v3.14 | p7zip | 0, 9.20.1-r2, 9.38-r0 |
| Alpine:v3.15 | p7zip | 9.04-r0, 9.38-r0, 9.38.1-r0 |
| Alpine:v3.10 | p7zip | 15.09-r0, 9.38.1-r0, 4.65-r0 |
| Alpine:v3.12 | p7zip | 15.09-r0, 15.14.1-r0, 16.02-r0 |
| Alpine:v3.5 | p7zip | 15.14.1-r0, 15.09-r0, 16.02-r0 |
| Alpine:v3.8 | p7zip | 9.04-r0, 4.65-r0, 9.20.1-r2 |
| Alpine:v3.7 | p7zip | 0, 15.09-r0, 15.14.1-r0 |
| Alpine:v3.13 | p7zip | 0, 9.20.1-r2, 9.04-r2 |
| Alpine:v3.6 | p7zip | 15.14.1-r0, 9.04-r1, 9.38.1-r0 |
| Alpine:v3.17 | p7zip | 16.02-r0, 9.20.1-r0, 9.04-r2 |
| Alpine:v3.16 | p7zip | 0, 9.38.1-r0, 9.38-r0 |
Timeline
- Nov 12, 2016 CVE Published
- Nov 19, 2025 CVE Updated
- Aug 8, 2026 Distribution Patch
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