CVE-2026-93313

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{"bugzilla": {"description": "poppler: Poppler: Remote integer overflow vulnerability", "id": "2538847", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2538847"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L", "status": "draft"}, "cwe": "CWE-190", "details": ["A vulnerability was found in Freedesktop Poppler 26.07.0. The impacted element is the function JBIG2Stream::readCodeTableSeg of the file poppler/JBIG2Stream.cc. Performing a manipulation results in integer overflow. The attack can be initiated remotely. The exploit has been made public and could be used. The patch is named eb87cf711563894649bd0c365baa479401dc6d51. To fix this issue, it is recommended to deploy a patch.", "A flaw was found in Poppler. This vulnerability, an integer overflow, occurs within the `JBIG2Stream::readCodeTableSeg` function when processing specially crafted JBIG2 image data. A remote attacker could exploit this by providing specially crafted input, which may lead to memory corruption. This could result in a denial of service (DoS) or potentially allow for information disclosure."], "mitigation": {"lang": "en:us", "value": "To mitigate this issue, avoid opening untrusted PDF documents with applications that rely on Poppler for rendering. Additionally, consider running applications that process untrusted content in a sandboxed environment to limit potential impact. No configuration option is available to disable JBIG2 stream processing within Poppler without patching."}, "name": "CVE-2026-93313", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "poppler", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "poppler", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "compat-poppler022", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "poppler", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "poppler", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "poppler", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "poppler", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-09-18T01:15:13Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-93313\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-93313\nhttps://github.com/r1ck9-2q/cve_summit/blob/main/Signed-integer-overflow-in-JBIG2Stream-readCodeTableSeg-JBIG2Stream.cc-4118.md\nhttps://gitlab.freedesktop.org/poppler/poppler/-/commit/eb87cf711563894649bd0c365baa479401dc6d51?merge_request_iid=2322\nhttps://gitlab.freedesktop.org/poppler/poppler/-/merge_requests/2322\nhttps://gitlab.freedesktop.org/poppler/poppler/-/work_items/1760\nhttps://vuldb.com/cve/CVE-2026-93313\nhttps://vuldb.com/submit/942346\nhttps://vuldb.com/vuln/406612\nhttps://vuldb.com/vuln/406612/cti"], "threat_severity": "Moderate"}

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