{"attribution":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","cve":{"id":"CVE-2026-102555","sourceIdentifier":"secalert@redhat.com","published":"2026-09-29T18:17:07.977","lastModified":"2026-11-11T13:17:11.413","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"A flaw was found in libsoup. The soup_uri_decode_data_uri() function incorrectly treated base64 data-URI payloads as NUL-terminated strings when calling g_base64_decode_inplace(). If the percent-decoded payload contained embedded NUL bytes, the decoded length could remain uninitialized and be used as the size of the returned GBytes. This can lead to an out-of-bounds read or application crash when processing a crafted data URI."}],"affected":[{"source":"secalert@redhat.com","affectedData":[{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 10","defaultStatus":"affected","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"libsoup3","cpes":["cpe:/o:redhat:enterprise_linux:10.2"],"versions":[{"version":"0:3.6.5-3.el10_2.20","lessThan":"*","versionType":"rpm","status":"unaffected"}]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 10","defaultStatus":"affected","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"libsoup3","cpes":["cpe:/o:redhat:enterprise_linux:10.3"],"versions":[{"version":"0:3.6.6-1.el10_3.9","lessThan":"*","versionType":"rpm","status":"unaffected"}]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 10.0 Extended Update Support","defaultStatus":"affected","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"libsoup3","cpes":["cpe:/o:redhat:enterprise_linux_eus:10.0"],"versions":[{"version":"0:3.6.5-3.el10_0.19","lessThan":"*","versionType":"rpm","status":"unaffected"}]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 6","defaultStatus":"unknown","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"libsoup","cpes":["cpe:/o:redhat:rhel_els:6"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 7","defaultStatus":"unaffected","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"libsoup","cpes":["cpe:/o:redhat:rhel_els:7"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8","defaultStatus":"unaffected","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"libsoup","cpes":["cpe:/a:redhat:enterprise_linux:8"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9","defaultStatus":"affected","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"libsoup","cpes":["cpe:/a:redhat:enterprise_linux:9"]}]}],"metrics":{"cvssMetricV31":[{"source":"secalert@redhat.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","baseScore":8.2,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":4.2}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-09-29T18:16:58.196973Z","id":"CVE-2026-102555","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"secalert@redhat.com","type":"Secondary","description":[{"lang":"en","value":"CWE-125"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:gnome:libsoup:*:*:*:*:*:*:*:*","versionEndExcluding":"3.7.3","matchCriteriaId":"F6C52608-4DA2-4E53-8851-41040262AF9A"},{"vulnerable":true,"criteria":"cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*","matchCriteriaId":"7F6FB57C-2BC7-487C-96DD-132683AEB35D"},{"vulnerable":true,"criteria":"cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*","matchCriteriaId":"D65C2163-CFC2-4ABB-8F4E-CB09CEBD006C"}]}]}],"references":[{"url":"https://access.redhat.com/errata/RHSA-2026:83618","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:93583","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:98560","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/security/cve/CVE-2026-102555","source":"secalert@redhat.com","tags":["Mitigation","Vendor Advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2543224","source":"secalert@redhat.com","tags":["Issue Tracking","Vendor Advisory"]}]}}