UnratedFix available
python-cryptography vulnerability
Type: advisorySources: OSV
USN-8087-1 fixed a vulnerability in python-cryptography. This update provides the corresponding update to Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. Original advisory details: It was discovered that python-cryptography incorrectly handled subgroup validation for SECT curves. A remote attacker could use this issue to perform a subgroup attack and possibly recover the least significant bits of private keys.
- Products
- python-cryptography
- Affected versions
- 1.0.1-1ubuntu1, 1.0.2-1, 1.1-1, 1.1.1-1, 1.1.1-1ubuntu1, 1.1.1-1ubuntu2, 1.1.1-1ubuntu3, 1.2.2-2, 1.2.3-1, 1.2.3-1ubuntu0.1, 1.2.3-1ubuntu0.2, 1.2.3-1ubuntu0.3, 1.2.3-1ubuntu0.3+esm1, 1.9-1, 2.1.3-3, 2.1.4-1, 2.1.4-1build1, 2.1.4-1build2, 2.1.4-1ubuntu1, 2.1.4-1ubuntu1.1, 2.1.4-1ubuntu1.2, 2.1.4-1ubuntu1.3, 2.1.4-1ubuntu1.4, 2.1.4-1ubuntu1.4+esm1, 2.6.1-3.1, 2.6.1-4, 2.6.1-4ubuntu1, 2.8-1ubuntu2, 2.8-2, 2.8-3, 2.8-3ubuntu0.1, 2.8-3ubuntu0.2, 2.8-3ubuntu0.3
- Fixed versions
- 1.2.3-1ubuntu0.3+esm3, 2.1.4-1ubuntu1.4+esm3, 2.8-3ubuntu0.3+esm2
- CVEs
- CVE-2026-26007
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 17:16 UTC · Revision 1
Source evidence
USN-8087-1 fixed a vulnerability in python-cryptography. This update provides the corresponding update to Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. Original advisory details: It was discovered that python-cryptography incorrectly handled subgroup validation for SECT curves. A remote attacker could use this issue to perform a subgroup attack and possibly recover the least significant bits of private keys.
osv:USN-8087-3
python-cryptography
Fixed versions: 1.2.3-1ubuntu0.3+esm3
python-cryptography
Fixed versions: 2.1.4-1ubuntu1.4+esm3
python-cryptography
Fixed versions: 2.8-3ubuntu0.3+esm2
Complete source record
{
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"modified": "2026-10-27T04:16:48.535455069Z",
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}