Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-32776

libexpat before 2.7.5 allows a NULL pointer dereference with empty external parameter entity content.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:530ccf6d4350c69bbb26c1dcf80c4892b04111333aa82eac0e80a6d6313ab66a
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":"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:v2:74f547f08ff2a4f1d431cc78ba180275021376d1253a2c86f3647696b78c5878 · sha256:804d6a9d472cb326… · /containers/adp/1/affected/4

{"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:v2:74f547f08ff2a4f1d431cc78ba180275021376d1253a2c86f3647696b78c5878 · sha256:804d6a9d472cb326… · /containers/adp/1/affected/1

{"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:v2:74f547f08ff2a4f1d431cc78ba180275021376d1253a2c86f3647696b78c5878 · sha256:804d6a9d472cb326… · /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:v2:74f547f08ff2a4f1d431cc78ba180275021376d1253a2c86f3647696b78c5878 · sha256:804d6a9d472cb326… · /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:v2:74f547f08ff2a4f1d431cc78ba180275021376d1253a2c86f3647696b78c5878 · sha256:804d6a9d472cb326… · /containers/adp/1/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:v2:74f547f08ff2a4f1d431cc78ba180275021376d1253a2c86f3647696b78c5878 · sha256:804d6a9d472cb326… · /containers/adp/1/affected/3

Affected products and versions

6 source assertions
{"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:v2:74f547f08ff2a4f1d431cc78ba180275021376d1253a2c86f3647696b78c5878 · sha256:804d6a9d472cb326… · /containers/adp/1/affected/4
{"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:v2:74f547f08ff2a4f1d431cc78ba180275021376d1253a2c86f3647696b78c5878 · sha256:804d6a9d472cb326… · /containers/adp/1/affected/1
{"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:v2:74f547f08ff2a4f1d431cc78ba180275021376d1253a2c86f3647696b78c5878 · sha256:804d6a9d472cb326… · /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:v2:74f547f08ff2a4f1d431cc78ba180275021376d1253a2c86f3647696b78c5878 · sha256:804d6a9d472cb326… · /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:v2:74f547f08ff2a4f1d431cc78ba180275021376d1253a2c86f3647696b78c5878 · sha256:804d6a9d472cb326… · /containers/adp/1/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:v2:74f547f08ff2a4f1d431cc78ba180275021376d1253a2c86f3647696b78c5878 · sha256:804d6a9d472cb326… · /containers/adp/1/affected/3

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":4,"baseSeverity":"MEDIUM","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:v2:74f547f08ff2a4f1d431cc78ba180275021376d1253a2c86f3647696b78c5878 · sha256:804d6a9d472cb326… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-476","description":"CWE-476 NULL Pointer Dereference","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:74f547f08ff2a4f1d431cc78ba180275021376d1253a2c86f3647696b78c5878 · sha256:804d6a9d472cb326… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"url":"https://cert-portal.siemens.com/productcert/html/ssa-082556.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:74f547f08ff2a4f1d431cc78ba180275021376d1253a2c86f3647696b78c5878 · sha256:804d6a9d472cb326… · /containers/adp/1/references/0
{"url":"https://github.com/libexpat/libexpat/pull/1158"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:74f547f08ff2a4f1d431cc78ba180275021376d1253a2c86f3647696b78c5878 · sha256:804d6a9d472cb326… · /containers/cna/references/0
{"url":"https://github.com/libexpat/libexpat/pull/1159"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:74f547f08ff2a4f1d431cc78ba180275021376d1253a2c86f3647696b78c5878 · sha256:804d6a9d472cb326… · /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.

← Back to CVE Explorer