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CVE-2026-8814

Versions of the package exifreader before 4.39.0 are vulnerable to Improper Handling of Highly Compressed Data (Data Amplification) due to decompressing PNG zTXt metadata without enforcing a built-in maximum decompressed output size. When asynchronous parsing is enabled, a crafted PNG file containing a highly compressed zTXt chunk can cause ExifReader to materialize a disproportionately large Comment value in memory.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:1c987d354883fc03f43f16e909c94729ef4088c0730313efde5e07c27469cbbd
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 2 assertions

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","exploitCodeMaturity":"PROOF_OF_CONCEPT","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:5611941edf1f8a4a35778b2faeb4a5cfc22b7636edad6b12db5f07ffa9993097 · sha256:a6c8def7dc21ec8f… · /containers/cna/metrics/0/cvssV3_1

{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":6.9,"baseSeverity":"MEDIUM","exploitMaturity":"PROOF_OF_CONCEPT","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","version":"4.0","vulnAvailabilityImpact":"LOW","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:5611941edf1f8a4a35778b2faeb4a5cfc22b7636edad6b12db5f07ffa9993097 · sha256:a6c8def7dc21ec8f… · /containers/cna/metrics/0/cvssV4_0
cwe · 2 assertions

{"cweId":"CWE-409","description":"Improper Handling of Highly Compressed Data (Data Amplification)","lang":"en"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5611941edf1f8a4a35778b2faeb4a5cfc22b7636edad6b12db5f07ffa9993097 · sha256:a6c8def7dc21ec8f… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-409","description":"CWE-409 Improper Handling of Highly Compressed Data (Data Amplification)","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5611941edf1f8a4a35778b2faeb4a5cfc22b7636edad6b12db5f07ffa9993097 · sha256:a6c8def7dc21ec8f… · /containers/adp/0/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"exifreader","vendor":"n/a","versions":[{"lessThan":"4.39.0","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5611941edf1f8a4a35778b2faeb4a5cfc22b7636edad6b12db5f07ffa9993097 · sha256:a6c8def7dc21ec8f… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","exploitCodeMaturity":"PROOF_OF_CONCEPT","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:5611941edf1f8a4a35778b2faeb4a5cfc22b7636edad6b12db5f07ffa9993097 · sha256:a6c8def7dc21ec8f… · /containers/cna/metrics/0/cvssV3_1
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":6.9,"baseSeverity":"MEDIUM","exploitMaturity":"PROOF_OF_CONCEPT","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","version":"4.0","vulnAvailabilityImpact":"LOW","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:5611941edf1f8a4a35778b2faeb4a5cfc22b7636edad6b12db5f07ffa9993097 · sha256:a6c8def7dc21ec8f… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-409","description":"Improper Handling of Highly Compressed Data (Data Amplification)","lang":"en"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5611941edf1f8a4a35778b2faeb4a5cfc22b7636edad6b12db5f07ffa9993097 · sha256:a6c8def7dc21ec8f… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-409","description":"CWE-409 Improper Handling of Highly Compressed Data (Data Amplification)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5611941edf1f8a4a35778b2faeb4a5cfc22b7636edad6b12db5f07ffa9993097 · sha256:a6c8def7dc21ec8f… · /containers/adp/0/problemTypes/0/descriptions/0

Source references

4 source assertions
{"url":"https://gist.github.com/yuki-matsuhashi/cad1a45d936062438b4ab24613c34c55"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5611941edf1f8a4a35778b2faeb4a5cfc22b7636edad6b12db5f07ffa9993097 · sha256:a6c8def7dc21ec8f… · /containers/cna/references/1
{"url":"https://github.com/mattiasw/ExifReader/commit/5f116128adc19f674902f8bf582bfe7dd0a36375"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5611941edf1f8a4a35778b2faeb4a5cfc22b7636edad6b12db5f07ffa9993097 · sha256:a6c8def7dc21ec8f… · /containers/cna/references/2
{"tags":["exploit"],"url":"https://security.snyk.io/vuln/SNYK-JS-EXIFREADER-16689340"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5611941edf1f8a4a35778b2faeb4a5cfc22b7636edad6b12db5f07ffa9993097 · sha256:a6c8def7dc21ec8f… · /containers/adp/0/references/0
{"url":"https://security.snyk.io/vuln/SNYK-JS-EXIFREADER-16689340"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5611941edf1f8a4a35778b2faeb4a5cfc22b7636edad6b12db5f07ffa9993097 · sha256:a6c8def7dc21ec8f… · /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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