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CVE-2026-32777

libexpat before 2.7.5 allows an infinite loop while parsing DTD content.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:858751787fa16f6b48bb34673850c6aef47a5b5de481fbda334e3e0b96e1b69d
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 6 assertions

{"defaultStatus":"unaffected","product":"libexpat","vendor":"libexpat project","versions":[{"lessThan":"2.7.5","status":"affected","version":"0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a16d013fb3442697b835797155c7eac63c7922cc19b0e7ecaa4b7f074e1b07a0 · sha256:da9dd37062a41a93… · /containers/cna/affected/0

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"V3.1.6","status":"affected","version":"V3.1.5","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a16d013fb3442697b835797155c7eac63c7922cc19b0e7ecaa4b7f074e1b07a0 · sha256:da9dd37062a41a93… · /containers/adp/1/affected/3

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"V3.1.6","status":"affected","version":"V3.1.5","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a16d013fb3442697b835797155c7eac63c7922cc19b0e7ecaa4b7f074e1b07a0 · sha256:da9dd37062a41a93… · /containers/adp/1/affected/1

{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"V3.1.6","status":"affected","version":"V3.1.5","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a16d013fb3442697b835797155c7eac63c7922cc19b0e7ecaa4b7f074e1b07a0 · sha256:da9dd37062a41a93… · /containers/adp/1/affected/4

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"V3.1.6","status":"affected","version":"V3.1.5","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a16d013fb3442697b835797155c7eac63c7922cc19b0e7ecaa4b7f074e1b07a0 · sha256:da9dd37062a41a93… · /containers/adp/1/affected/2

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"V3.1.6","status":"affected","version":"V3.1.5","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a16d013fb3442697b835797155c7eac63c7922cc19b0e7ecaa4b7f074e1b07a0 · sha256:da9dd37062a41a93… · /containers/adp/1/affected/0

Affected products and versions

6 source assertions
{"defaultStatus":"unaffected","product":"libexpat","vendor":"libexpat project","versions":[{"lessThan":"2.7.5","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a16d013fb3442697b835797155c7eac63c7922cc19b0e7ecaa4b7f074e1b07a0 · sha256:da9dd37062a41a93… · /containers/cna/affected/0
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"V3.1.6","status":"affected","version":"V3.1.5","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a16d013fb3442697b835797155c7eac63c7922cc19b0e7ecaa4b7f074e1b07a0 · sha256:da9dd37062a41a93… · /containers/adp/1/affected/3
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"V3.1.6","status":"affected","version":"V3.1.5","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a16d013fb3442697b835797155c7eac63c7922cc19b0e7ecaa4b7f074e1b07a0 · sha256:da9dd37062a41a93… · /containers/adp/1/affected/1
{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"V3.1.6","status":"affected","version":"V3.1.5","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a16d013fb3442697b835797155c7eac63c7922cc19b0e7ecaa4b7f074e1b07a0 · sha256:da9dd37062a41a93… · /containers/adp/1/affected/4
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"V3.1.6","status":"affected","version":"V3.1.5","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a16d013fb3442697b835797155c7eac63c7922cc19b0e7ecaa4b7f074e1b07a0 · sha256:da9dd37062a41a93… · /containers/adp/1/affected/2
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"V3.1.6","status":"affected","version":"V3.1.5","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a16d013fb3442697b835797155c7eac63c7922cc19b0e7ecaa4b7f074e1b07a0 · sha256:da9dd37062a41a93… · /containers/adp/1/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"LOW","baseScore":4,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:a16d013fb3442697b835797155c7eac63c7922cc19b0e7ecaa4b7f074e1b07a0 · sha256:da9dd37062a41a93… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-835","description":"CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a16d013fb3442697b835797155c7eac63c7922cc19b0e7ecaa4b7f074e1b07a0 · sha256:da9dd37062a41a93… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"url":"https://cert-portal.siemens.com/productcert/html/ssa-082556.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a16d013fb3442697b835797155c7eac63c7922cc19b0e7ecaa4b7f074e1b07a0 · sha256:da9dd37062a41a93… · /containers/adp/1/references/0
{"url":"https://github.com/libexpat/libexpat/issues/1161"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a16d013fb3442697b835797155c7eac63c7922cc19b0e7ecaa4b7f074e1b07a0 · sha256:da9dd37062a41a93… · /containers/cna/references/1
{"url":"https://github.com/libexpat/libexpat/pull/1159"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a16d013fb3442697b835797155c7eac63c7922cc19b0e7ecaa4b7f074e1b07a0 · sha256:da9dd37062a41a93… · /containers/cna/references/0
{"url":"https://github.com/libexpat/libexpat/pull/1162"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a16d013fb3442697b835797155c7eac63c7922cc19b0e7ecaa4b7f074e1b07a0 · sha256:da9dd37062a41a93… · /containers/cna/references/2
{"url":"https://issues.oss-fuzz.com/issues/486993411"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a16d013fb3442697b835797155c7eac63c7922cc19b0e7ecaa4b7f074e1b07a0 · sha256:da9dd37062a41a93… · /containers/cna/references/3

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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