CVE Explorer
CVE-2026-48850
PuTTY 0.72 before 0.84 has a double free in RSA KEX.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"PuTTY","vendor":"PuTTY","versions":[{"lessThan":"0.84","status":"affected","version":"0.72","versionType":"custom"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:f913fe13776b8a9de422d5988b6daf8024d20b6f42f1e5a96fdfdeb8b0f70297 · sha256:f4c060431eeeb082… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":3.7,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:f913fe13776b8a9de422d5988b6daf8024d20b6f42f1e5a96fdfdeb8b0f70297 · sha256:f4c060431eeeb082… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-415","description":"CWE-415 Double Free","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:f913fe13776b8a9de422d5988b6daf8024d20b6f42f1e5a96fdfdeb8b0f70297 · sha256:f4c060431eeeb082… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"url":"https://lists.tartarus.org/pipermail/putty-announce/2026/000042.html"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:f913fe13776b8a9de422d5988b6daf8024d20b6f42f1e5a96fdfdeb8b0f70297 · sha256:f4c060431eeeb082… · /containers/cna/references/0
{"url":"https://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/rsakex-double-free.html"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:f913fe13776b8a9de422d5988b6daf8024d20b6f42f1e5a96fdfdeb8b0f70297 · sha256:f4c060431eeeb082… · /containers/cna/references/1
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.