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CVE-2026-10275

A flaw has been found in OpenSC up to 0.26.1. This affects the function test_kpgen_certwrite of the file src/tools/pkcs11-tool.c of the component pkcs11-tool Key Generation Module. This manipulation causes buffer overflow. The attack is possible to be carried out remotely. The complexity of an attack is rather high. It is indicated that the exploitability is difficult. The exploit has been published and may be used. Patch name: 814f745b3b6d100295f65f1935edd33d520d33ab. It is recommended to apply
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:ca8269d50cd39eede1182b1ee08d1a52be1ae10243595e8ebd3d31312eb8bec6
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 4 assertions

{"metric":{"baseScore":5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2209da03c0fb3f678ca00cdc37e6787f6128cc395f9a66c512267863572231f2 · sha256:aa3a411ed8e2ceb5… · /containers/cna/metrics/2/cvssV3_0

{"metric":{"baseScore":5.1,"vectorString":"AV:N/AC:H/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C","version":"2.0"},"metric_type":"cvssV2_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2209da03c0fb3f678ca00cdc37e6787f6128cc395f9a66c512267863572231f2 · sha256:aa3a411ed8e2ceb5… · /containers/cna/metrics/3/cvssV2_0

{"metric":{"baseScore":5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2209da03c0fb3f678ca00cdc37e6787f6128cc395f9a66c512267863572231f2 · sha256:aa3a411ed8e2ceb5… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"baseScore":2.3,"baseSeverity":"LOW","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2209da03c0fb3f678ca00cdc37e6787f6128cc395f9a66c512267863572231f2 · sha256:aa3a411ed8e2ceb5… · /containers/cna/metrics/0/cvssV4_0
cwe · 2 assertions

{"cweId":"CWE-120","description":"Buffer Overflow","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2209da03c0fb3f678ca00cdc37e6787f6128cc395f9a66c512267863572231f2 · sha256:aa3a411ed8e2ceb5… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-119","description":"Memory Corruption","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2209da03c0fb3f678ca00cdc37e6787f6128cc395f9a66c512267863572231f2 · sha256:aa3a411ed8e2ceb5… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"cpes":["cpe:2.3:a:opensc:opensc:*:*:*:*:*:*:*:*"],"modules":["pkcs11-tool Key Generation Module"],"product":"OpenSC","vendor":"n/a","versions":[{"status":"affected","version":"0.26.0"},{"status":"affected","version":"0.26.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2209da03c0fb3f678ca00cdc37e6787f6128cc395f9a66c512267863572231f2 · sha256:aa3a411ed8e2ceb5… · /containers/cna/affected/0

Provider-owned CVSS observations

4 source assertions
{"metric":{"baseScore":5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2209da03c0fb3f678ca00cdc37e6787f6128cc395f9a66c512267863572231f2 · sha256:aa3a411ed8e2ceb5… · /containers/cna/metrics/2/cvssV3_0
{"metric":{"baseScore":5.1,"vectorString":"AV:N/AC:H/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C","version":"2.0"},"metric_type":"cvssV2_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2209da03c0fb3f678ca00cdc37e6787f6128cc395f9a66c512267863572231f2 · sha256:aa3a411ed8e2ceb5… · /containers/cna/metrics/3/cvssV2_0
{"metric":{"baseScore":5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2209da03c0fb3f678ca00cdc37e6787f6128cc395f9a66c512267863572231f2 · sha256:aa3a411ed8e2ceb5… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"baseScore":2.3,"baseSeverity":"LOW","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2209da03c0fb3f678ca00cdc37e6787f6128cc395f9a66c512267863572231f2 · sha256:aa3a411ed8e2ceb5… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-120","description":"Buffer Overflow","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2209da03c0fb3f678ca00cdc37e6787f6128cc395f9a66c512267863572231f2 · sha256:aa3a411ed8e2ceb5… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-119","description":"Memory Corruption","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2209da03c0fb3f678ca00cdc37e6787f6128cc395f9a66c512267863572231f2 · sha256:aa3a411ed8e2ceb5… · /containers/cna/problemTypes/1/descriptions/0

Source references

9 source assertions
{"tags":["product"],"url":"https://github.com/OpenSC/OpenSC/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2209da03c0fb3f678ca00cdc37e6787f6128cc395f9a66c512267863572231f2 · sha256:aa3a411ed8e2ceb5… · /containers/cna/references/8
{"tags":["patch"],"url":"https://github.com/OpenSC/OpenSC/commit/814f745b3b6d100295f65f1935edd33d520d33ab"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2209da03c0fb3f678ca00cdc37e6787f6128cc395f9a66c512267863572231f2 · sha256:aa3a411ed8e2ceb5… · /containers/cna/references/7
{"tags":["issue-tracking"],"url":"https://github.com/OpenSC/OpenSC/issues/3682"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2209da03c0fb3f678ca00cdc37e6787f6128cc395f9a66c512267863572231f2 · sha256:aa3a411ed8e2ceb5… · /containers/cna/references/4
{"tags":["issue-tracking","patch"],"url":"https://github.com/OpenSC/OpenSC/pull/3684"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2209da03c0fb3f678ca00cdc37e6787f6128cc395f9a66c512267863572231f2 · sha256:aa3a411ed8e2ceb5… · /containers/cna/references/5
{"tags":["exploit"],"url":"https://pan.baidu.com/s/1nrZPKDz2eAcCpsaFiIRlrg"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2209da03c0fb3f678ca00cdc37e6787f6128cc395f9a66c512267863572231f2 · sha256:aa3a411ed8e2ceb5… · /containers/cna/references/6
{"name":"CVE-2026-10275 | CVE Analysis and Report","tags":["third-party-advisory"],"url":"https://vuldb.com/cve/CVE-2026-10275"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2209da03c0fb3f678ca00cdc37e6787f6128cc395f9a66c512267863572231f2 · sha256:aa3a411ed8e2ceb5… · /containers/cna/references/2
{"name":"Submit #825403 | OpenSC OpenSC 0.26.1 and earlier Buffer Overflow","tags":["third-party-advisory"],"url":"https://vuldb.com/submit/825403"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2209da03c0fb3f678ca00cdc37e6787f6128cc395f9a66c512267863572231f2 · sha256:aa3a411ed8e2ceb5… · /containers/cna/references/3
{"name":"VDB-367568 | OpenSC pkcs11-tool Key Generation pkcs11-tool.c test_kpgen_certwrite buffer overflow","tags":["vdb-entry","technical-description"],"url":"https://vuldb.com/vuln/367568"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2209da03c0fb3f678ca00cdc37e6787f6128cc395f9a66c512267863572231f2 · sha256:aa3a411ed8e2ceb5… · /containers/cna/references/0
{"name":"VDB-367568 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/vuln/367568/cti"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2209da03c0fb3f678ca00cdc37e6787f6128cc395f9a66c512267863572231f2 · sha256:aa3a411ed8e2ceb5… · /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.

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