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CVE-2026-42308

Pillow is a Python imaging library. Prior to version 12.2.0, if a font advances for each glyph by an exceeding large amount, when Pillow keeps track of the current position, it may lead to an integer overflow. This issue has been patched in version 12.2.0.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:ac14ec66930335b4ab371863deb7044104fe5b2af97943670cecbf7f69e00f9f
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"Pillow","vendor":"python-pillow","versions":[{"status":"affected","version":"< 12.2.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:25c7f49e3321d48152045d105abe5070b3d0dd2679426af9ff93155e96f6c035 · sha256:88e06c3030c42894… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":5.1,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"LOW","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:25c7f49e3321d48152045d105abe5070b3d0dd2679426af9ff93155e96f6c035 · sha256:88e06c3030c42894… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-190","description":"CWE-190: Integer Overflow or Wraparound","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:25c7f49e3321d48152045d105abe5070b3d0dd2679426af9ff93155e96f6c035 · sha256:88e06c3030c42894… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/python-pillow/Pillow/releases/tag/12.2.0","tags":["x_refsource_MISC"],"url":"https://github.com/python-pillow/Pillow/releases/tag/12.2.0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:25c7f49e3321d48152045d105abe5070b3d0dd2679426af9ff93155e96f6c035 · sha256:88e06c3030c42894… · /containers/cna/references/1
{"name":"https://github.com/python-pillow/Pillow/security/advisories/GHSA-wjx4-4jcj-g98j","tags":["x_refsource_CONFIRM"],"url":"https://github.com/python-pillow/Pillow/security/advisories/GHSA-wjx4-4jcj-g98j"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:25c7f49e3321d48152045d105abe5070b3d0dd2679426af9ff93155e96f6c035 · sha256:88e06c3030c42894… · /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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