{"affected":[{"defaultStatus":"unaffected","ecosystem":"cpan","packageName":"perl","product":"","source":"CNA: CPANSec","vendor":"","versions":[{"lessThan":"5.40.5-RC1","status":"affected","version":"0","versionType":"custom"},{"lessThan":"5.42.3-RC1","status":"affected","version":"5.41.0","versionType":"custom"},{"lessThan":"5.43.11","status":"affected","version":"5.43.0","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.7","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0)","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.7","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0)","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.7","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AC0)","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.7","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0)","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.7","versionType":"custom"}]}],"cveId":"CVE-2026-57432","cwes":["CWE-190","CWE-125"],"description":"Perl versions before 5.40.5-RC1, from 5.41.0 before 5.42.3-RC1, from 5.43.0 before 5.43.11 have an integer overflow in S_measure_struct leading to an out-of-bounds heap read in pack and unpack.\n\nS_measure_struct adds each item's size times its repeat count to a running total with no overflow check, so a large repeat count in a pack or unpack template wraps the signed SSize_t total negative. The @, X, and x position codes then guard their moves with a signed length comparison that passes when the length is negative, advancing the buffer pointer out of bounds.\n\nA template derived from untrusted input can read heap memory past the buffer and return it to the caller.","epss":{"date":"2026-11-09","percentile":0.11329,"score":0.00211},"exploits":[],"kev":null,"metrics":[{"score":8.4,"severity":"high","source":"ADP: CISA-ADP","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}],"modifiedAt":1794314936434,"publishedAt":1783957100728,"references":[{"source":"CNA: CPANSec","tags":["patch"],"url":"https://github.com/Perl/perl5/commit/5f7eb6bbbe0510964e3fb1d6bb691e5445913e55.patch"},{"source":"CNA: CPANSec","tags":["patch"],"url":"https://github.com/Perl/perl5/commit/40754edc72dd3e513d758153c0e2f0215897740e.patch"},{"source":"ADP: CVE","tags":[],"url":"http://www.openwall.com/lists/oss-security/2026/07/13/6"},{"source":"ADP: siemens-SADP","tags":[],"url":"https://cert-portal.siemens.com/productcert/html/ssa-457936.html"}],"remediation":[{"kind":"fix","source":"CNA: CPANSec","text":"Upgrade to Perl 5.40.5, 5.42.3 or 5.44.0 or later, or apply the upstream patches."},{"kind":"fix","source":"CNA: CPANSec","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/Perl/perl5/commit/5f7eb6bbbe0510964e3fb1d6bb691e5445913e55.patch"},{"kind":"fix","source":"CNA: CPANSec","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/Perl/perl5/commit/40754edc72dd3e513d758153c0e2f0215897740e.patch"}],"revision":"0d2ed07e74cd285996f4f84735370b1fa6cc69ad5d34a0055c976b9792ccfdd8","sources":[{"modifiedAt":1794314936434,"name":"CNA: CPANSec","retrievedAt":1794316713883,"url":"https://www.cve.org/CVERecord?id=CVE-2026-57432"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1794316749526,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-57432"}],"ssvc":{"assessedAt":1784036078894,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"total"},"status":"published","title":"Perl versions before 5.40.5-RC1, from 5.41.0 before 5.42.3-RC1, from 5.43.0 before 5.43.11 have an integer overflow in S_measure_struct leading to an out-of-bounds heap read in pack and unpack","updatedAt":1794316749526}