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CVE-2026-57025

A Return of Pointer Value Outside of Expected Range vulnerability in the fileio library of Juniper Networks Junos OS and Junos OS Evolved allows a local, low-privilged attacker to cause a Denial-of-Service (DoS). On EX Series, QFX Series and MX Series a low-privileged attacker issuing a specific 'show l2-learning' or 'show ethernet-switching' command will cause an l2ald crash which will lead to a temporary service impact for all layer 2 services until the process has automatically restarted. T
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:7f3ce5107c993b49a7d2d2226d0ccfce3ae223ba5c7f3a5b2e7edb560d8b449c
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"unaffected","product":"Junos OS Evolved","vendor":"Juniper Networks","versions":[{"lessThan":"23.2R2-S7-EVO","status":"affected","version":"0","versionType":"custom"},{"lessThan":"23.4R2-S8-EVO","status":"affected","version":"23.4","versionType":"custom"},{"lessThan":"24.2R2-EVO","status":"affected","version":"24.2","versionType":"custom"},{"lessThan":"24.4R1-S3-EVO","status":"affected","version":"24.4","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:23952243b677993bc7df597e27f81d0bd991b52a4f7f2599a7ae8ecc420f27b9 · sha256:b60646e27e1f924c… · /containers/cna/affected/1

{"defaultStatus":"unaffected","platforms":["EX Series","QFX Series","MX Series"],"product":"Junos OS","vendor":"Juniper Networks","versions":[{"lessThan":"23.2R2-S7","status":"affected","version":"0","versionType":"custom"},{"lessThan":"23.4R2-S7","status":"affected","version":"23.4","versionType":"custom"},{"lessThan":"24.2R2","status":"affected","version":"24.2","versionType":"custom"},{"lessThan":"24.4R1-S2","status":"affected","version":"24.4","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:23952243b677993bc7df597e27f81d0bd991b52a4f7f2599a7ae8ecc420f27b9 · sha256:b60646e27e1f924c… · /containers/cna/affected/0
cvss · 2 assertions

{"metric":{"Automatable":"YES","Recovery":"AUTOMATIC","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":6.8,"baseSeverity":"MEDIUM","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/RE:M","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"N…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:23952243b677993bc7df597e27f81d0bd991b52a4f7f2599a7ae8ecc420f27b9 · sha256:b60646e27e1f924c… · /containers/cna/metrics/1/cvssV4_0

{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":5.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:23952243b677993bc7df597e27f81d0bd991b52a4f7f2599a7ae8ecc420f27b9 · sha256:b60646e27e1f924c… · /containers/cna/metrics/0/cvssV3_1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Junos OS Evolved","vendor":"Juniper Networks","versions":[{"lessThan":"23.2R2-S7-EVO","status":"affected","version":"0","versionType":"custom"},{"lessThan":"23.4R2-S8-EVO","status":"affected","version":"23.4","versionType":"custom"},{"lessThan":"24.2R2-EVO","status":"affected","version":"24.2","versionType":"custom"},{"lessThan":"24.4R1-S3-EVO","status":"affected","version":"24.4","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:23952243b677993bc7df597e27f81d0bd991b52a4f7f2599a7ae8ecc420f27b9 · sha256:b60646e27e1f924c… · /containers/cna/affected/1
{"defaultStatus":"unaffected","platforms":["EX Series","QFX Series","MX Series"],"product":"Junos OS","vendor":"Juniper Networks","versions":[{"lessThan":"23.2R2-S7","status":"affected","version":"0","versionType":"custom"},{"lessThan":"23.4R2-S7","status":"affected","version":"23.4","versionType":"custom"},{"lessThan":"24.2R2","status":"affected","version":"24.2","versionType":"custom"},{"lessThan":"24.4R1-S2","status":"affected","version":"24.4","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:23952243b677993bc7df597e27f81d0bd991b52a4f7f2599a7ae8ecc420f27b9 · sha256:b60646e27e1f924c… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"Automatable":"YES","Recovery":"AUTOMATIC","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":6.8,"baseSeverity":"MEDIUM","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/RE:M","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"N…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:23952243b677993bc7df597e27f81d0bd991b52a4f7f2599a7ae8ecc420f27b9 · sha256:b60646e27e1f924c… · /containers/cna/metrics/1/cvssV4_0
{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":5.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:23952243b677993bc7df597e27f81d0bd991b52a4f7f2599a7ae8ecc420f27b9 · sha256:b60646e27e1f924c… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-466","description":"CWE-466 Return of Pointer Value Outside of Expected Range","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:23952243b677993bc7df597e27f81d0bd991b52a4f7f2599a7ae8ecc420f27b9 · sha256:b60646e27e1f924c… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"tags":["vendor-advisory"],"url":"https://supportportal.juniper.net/JSA110085"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:23952243b677993bc7df597e27f81d0bd991b52a4f7f2599a7ae8ecc420f27b9 · sha256:b60646e27e1f924c… · /containers/cna/references/0

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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