150 lines
7.0 KiB
JSON
150 lines
7.0 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-54912",
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"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"state": "PUBLISHED",
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"assignerShortName": "GitHub_M",
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"dateReserved": "2026-06-16T13:49:33.556Z",
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"datePublished": "2026-11-05T17:29:18.708Z",
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"dateUpdated": "2026-11-05T18:44:51.857Z"
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},
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"containers": {
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"cna": {
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"title": "WAMR fast interpreter loader heap buffer overflow via constant deduplication mismatch",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-787",
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"lang": "en",
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"description": "CWE-787: Out-of-bounds Write",
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"type": "CWE"
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}
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]
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}
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],
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"metrics": [
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{
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"cvssV4_0": {
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"attackRequirements": "NONE",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "LOW",
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"vulnIntegrityImpact": "HIGH",
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"vulnAvailabilityImpact": "HIGH",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"subAvailabilityImpact": "NONE",
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"baseScore": 8.8,
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"baseSeverity": "HIGH",
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N",
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"version": "4.0"
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}
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}
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],
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"references": [
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{
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"name": "https://github.com/wasm-micro-runtime/wasm-micro-runtime/security/advisories/GHSA-jjv3-x3jf-cg49",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/wasm-micro-runtime/wasm-micro-runtime/security/advisories/GHSA-jjv3-x3jf-cg49"
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},
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{
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"name": "https://github.com/wasm-micro-runtime/wasm-micro-runtime/commit/b1353b5e8983047ff68829c99abf1355d5f389cf",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/wasm-micro-runtime/wasm-micro-runtime/commit/b1353b5e8983047ff68829c99abf1355d5f389cf"
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},
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{
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"name": "https://gist.github.com/shumbo/b710c35b005ed871447fce385d1ab760",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://gist.github.com/shumbo/b710c35b005ed871447fce385d1ab760"
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},
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{
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"name": "https://github.com/wasm-micro-runtime/wasm-micro-runtime/releases/tag/WAMR-2.4.5",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/wasm-micro-runtime/wasm-micro-runtime/releases/tag/WAMR-2.4.5"
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}
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],
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"affected": [
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{
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"vendor": "bytecodealliance",
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"product": "wasm-micro-runtime",
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"versions": [
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{
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"version": "< 2.4.5",
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"status": "affected"
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}
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]
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}
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],
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"providerMetadata": {
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"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"shortName": "GitHub_M",
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"dateUpdated": "2026-11-05T17:29:18.708Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "WebAssembly Micro Runtime (WAMR) is a lightweight standalone WebAssembly (Wasm) runtime. Prior to 2.4.5, the two-pass fast interpreter loader in core/iwasm/interpreter/wasm_loader.c can make inconsistent constant-table decisions between the sizing pass and the emitting pass. After duplicate constants inflate the first pass beyond the constant-slot limit, wasm_loader_get_const_offset emits later constants inline, but the between-pass sort and deduplication reduces the table so the second pass can choose table references and cause reserve_block_ret to emit additional copy operands that were not included in code_compiled_peak_size. A crafted module can therefore make the second pass write partially attacker-controlled compiled-code data beyond the heap buffer allocated from the first pass's size calculation during wasm_runtime_load, before guest code executes. This can corrupt host heap metadata and deterministically crash the process, causing denial of service; further consequences depend on the host application's heap layout. Builds using WAMR_BUILD_FAST_INTERP=1 are affected; disabling the fast interpreter avoids the vulnerable loader. This issue is fixed in version 2.4.5."
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}
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],
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"source": {
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"advisory": "GHSA-jjv3-x3jf-cg49",
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"discovery": "UNKNOWN"
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}
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},
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"adp": [
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{
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"references": [
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{
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"url": "https://github.com/wasm-micro-runtime/wasm-micro-runtime/security/advisories/GHSA-jjv3-x3jf-cg49",
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"tags": [
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"exploit"
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]
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}
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],
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-11-05T18:42:22.842506Z",
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"id": "CVE-2026-54912",
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"options": [
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{
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"Exploitation": "poc"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "total"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-11-05T18:44:51.857Z"
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}
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}
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]
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}
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} |