CVE Explorer
CVE-2026-57053
GNU libidn before 1.44 is prone to out-of-bounds reads of uninitialized memory in the ToUnicode APIs because of mishandling in idna_to_unicode_internal. The affected code is not present in libidn2.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"libidn","vendor":"GNU","versions":[{"lessThan":"1.44","status":"affected","version":"0","versionType":"custom"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:8595ecf42850813d3f98f4cfcc5c4c186d5663a7d99863ad30ac8bc210f86e4b · sha256:9cb8a2c77451662b… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"LOW","baseScore":4,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:8595ecf42850813d3f98f4cfcc5c4c186d5663a7d99863ad30ac8bc210f86e4b · sha256:9cb8a2c77451662b… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-1284","description":"CWE-1284 Improper Validation of Specified Quantity in Input","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:8595ecf42850813d3f98f4cfcc5c4c186d5663a7d99863ad30ac8bc210f86e4b · sha256:9cb8a2c77451662b… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"url":"https://lists.gnu.org/archive/html/help-libidn/2026-05/msg00000.html"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:8595ecf42850813d3f98f4cfcc5c4c186d5663a7d99863ad30ac8bc210f86e4b · sha256:9cb8a2c77451662b… · /containers/cna/references/1
{"url":"https://lists.gnu.org/archive/html/help-libidn/2026-06/msg00001.html"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:8595ecf42850813d3f98f4cfcc5c4c186d5663a7d99863ad30ac8bc210f86e4b · sha256:9cb8a2c77451662b… · /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.