CVE Explorer

CVE-2026-48961

IO::Compress versions from 2.207 before 2.220 for Perl ship a zipdetails CLI tool that crashes with undefined subroutine on Info-ZIP Unix Extra Field with 8-byte UID or GID. When decode_ux() in bin/zipdetails handles an Info-ZIP Unix Extra Field (tag 0x7875) with UID Size or GID Size set to 8, causing zipdetails to decode an 8-byte UID or GID value, it dispatches through decodeLitteEndian(), which calls a misnamed helper unpackValueQ. The actual function defined in the same file is unpackValue_

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:3e8b1688b675042d2f8e114ee506bc0fb887ba172a6800504d8d3c17fb798467

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"collectionURL":"https://cpan.org/modules","defaultStatus":"unaffected","packageName":"IO-Compress","product":"IO::Compress","programFiles":["bin/zipdetails"],"programRoutines":[{"name":"main::decode_ux"},{"name":"main::decodeLitteEndian"}],"repo":"https://github.com/pmqs/IO-Compress","vendor":"PMQS","versions":[{"lessThan":"2.220","status":"affected","version":"2.207","versionType":"custom"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:6ace7a22e863a1d7ebb1a089eeb83111d222d16a09f3d79dd005946aec23d5ae · sha256:3a77e38b2d9ad6f5… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":7.3,"baseSeverity":"HIGH","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:6ace7a22e863a1d7ebb1a089eeb83111d222d16a09f3d79dd005946aec23d5ae · sha256:3a77e38b2d9ad6f5… · /containers/adp/1/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-755","description":"CWE-755 Improper Handling of Exceptional Conditions","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:6ace7a22e863a1d7ebb1a089eeb83111d222d16a09f3d79dd005946aec23d5ae · sha256:3a77e38b2d9ad6f5… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions

{"url":"http://www.openwall.com/lists/oss-security/2026/05/27/3"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:6ace7a22e863a1d7ebb1a089eeb83111d222d16a09f3d79dd005946aec23d5ae · sha256:3a77e38b2d9ad6f5… · /containers/adp/0/references/0

{"tags":["patch"],"url":"https://github.com/pmqs/IO-Compress/commit/33c89d03d6e746ed2ead4f2f6570d47864c61bc7.patch"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:6ace7a22e863a1d7ebb1a089eeb83111d222d16a09f3d79dd005946aec23d5ae · sha256:3a77e38b2d9ad6f5… · /containers/cna/references/0

{"tags":["release-notes"],"url":"https://metacpan.org/release/PMQS/IO-Compress-2.220/changes"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:6ace7a22e863a1d7ebb1a089eeb83111d222d16a09f3d79dd005946aec23d5ae · sha256:3a77e38b2d9ad6f5… · /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.

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