The mirror:// method implementation in Advanced Package Tool (APT) 1.6.x before 1.6.4 and 1.7.x before 1.7.0~alpha3 mishandles gpg signature verification for the InRelease file of a fallback mirror, aka mirrorfail
Published Aug 21, 2018
5.9
MEDIUMCVSS 3.0
EPSS 0.95%
Description
The mirror:// method implementation in Advanced Package Tool (APT) 1.6.x before 1.6.4 and 1.7.x before 1.7.0~alpha3 mishandles gpg signature verification for the InRelease file of a fallback mirror, aka mirrorfail.
Affected products
- Vendor n/a Product APT 1.6.x before 1.6.4 and 1.7.x before 1.7.0~alpha3 Defaultn/a
- Version APT 1.6.x before 1.6.4 and 1.7.x before 1.7.0~alpha3StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | APT 1.6.x before 1.6.4 and 1.7.x before 1.7.0~alpha3 | n/a |
|
Configuration 1
- 18.04
Configuration 2
- ≥ 1.6.0 · < 1.6.4
- 1.7.0
- 1.7.0
- 1.7.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
AV:N/AC:M/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.95% (0.00954) | 59.95th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.95% (0.00954) | 59.82th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.18% (0.00182) | 55.89th | v3 (v2023.03.01) |
| Mar 16, 2024 | 0.18% (0.00182) | 54.50th | v3 (v2023.03.01) |
| Jan 11, 2024 | 0.20% (0.00200) | 57.85th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.25% (0.00250) | 62.13th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.28% (0.00279) | 63.35th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.04% (0.01040) | 28.32th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.04% (0.01040) | 0.00th | v1 |
References (4)
- https://mirror.fail x_refsource_MISCThird Party AdvisoryURL Repurposed
- https://salsa.debian.org/apt-team/apt/commit/29658a3a74af49e2a24e17bdebb20e1612aac3ec x_refsource_MISCPatchThird Party Advisory
- https://salsa.debian.org/apt-team/apt/commit/aebd4278bacc728ab00ebe31556983e140f60e47 x_refsource_MISCPatchThird Party Advisory
- https://usn.ubuntu.com/3746-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://mirror.fail | x_refsource_MISCThird Party AdvisoryURL Repurposed | |
| https://salsa.debian.org/apt-team/apt/commit/29658a3a74af49e2a24e17bdebb20e1612aac3ec | x_refsource_MISCPatchThird Party Advisory | |
| https://salsa.debian.org/apt-team/apt/commit/aebd4278bacc728ab00ebe31556983e140f60e47 | x_refsource_MISCPatchThird Party Advisory | |
| https://usn.ubuntu.com/3746-1/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory |
Change history (0)
No recorded changes yet.