CVE-2020-18378
published 2023-08-22CVE-2020-18378: A NULL pointer dereference was discovered in SExpressionWasmBuilder::makeBlock in wasm/wasm-s-parser.c in Binaryen 1.38.26. A crafted wasm input can cause a…
PriorityP425medium6.5CVSS 3.1
AVNACLPRNUIRSUCNINAH
EPSS
0.53%
41.0th percentile
A NULL pointer dereference was discovered in SExpressionWasmBuilder::makeBlock in wasm/wasm-s-parser.c in Binaryen 1.38.26. A crafted wasm input can cause a segmentation fault, leading to denial-of-service, as demonstrated by wasm-as.
Affected
6 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | binaryen | < binaryen 68-1 (bookworm) | binaryen 68-1 (bookworm) |
| webassembly | binaryen | — | — |
| webassembly | binaryen | >= 0 < 68-1 | 68-1 |
| webassembly | binaryen | >= 0 < 68-1 | 68-1 |
| webassembly | binaryen | >= 0 < 68-1 | 68-1 |
| webassembly | binaryen | >= 0 < 68-1 | 68-1 |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
osv6.5MEDIUM
vendor_debian6.5MEDIUM
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Debian
CVE-2020-18378: binaryen - A NULL pointer dereference was discovered in SExpressionWasmBuilder::makeBlock i...
vendor_debian·2020·CVSS 6.5
CVE-2020-18378 [MEDIUM] CVE-2020-18378: binaryen - A NULL pointer dereference was discovered in SExpressionWasmBuilder::makeBlock i...
A NULL pointer dereference was discovered in SExpressionWasmBuilder::makeBlock in wasm/wasm-s-parser.c in Binaryen 1.38.26. A crafted wasm input can cause a segmentation fault, leading to denial-of-service, as demonstrated by wasm-as.
Scope: local
bookworm: resolved (fixed in 68-1)
bullseye: resolved (fixed in 68-1)
forky: resolved (fixed in 68-1)
sid: resolved (fixed in 68-1)
trixie: resolved (fixed in 68-1)
OSV
CVE-2020-18378: A NULL pointer dereference was discovered in SExpressionWasmBuilder::makeBlock in wasm/wasm-s-parser
osv·2023-08-22·CVSS 6.5
CVE-2020-18378 [MEDIUM] CVE-2020-18378: A NULL pointer dereference was discovered in SExpressionWasmBuilder::makeBlock in wasm/wasm-s-parser
A NULL pointer dereference was discovered in SExpressionWasmBuilder::makeBlock in wasm/wasm-s-parser.c in Binaryen 1.38.26. A crafted wasm input can cause a segmentation fault, leading to denial-of-service, as demonstrated by wasm-as.
GHSA
GHSA-vj54-ff4j-gq2v: A NULL pointer dereference was discovered in SExpressionWasmBuilder::makeBlock in wasm/wasm-s-parser
ghsa_unreviewed·2023-08-22
CVE-2020-18378 [MEDIUM] CWE-476 GHSA-vj54-ff4j-gq2v: A NULL pointer dereference was discovered in SExpressionWasmBuilder::makeBlock in wasm/wasm-s-parser
A NULL pointer dereference was discovered in SExpressionWasmBuilder::makeBlock in wasm/wasm-s-parser.c in Binaryen 1.38.26. A crafted wasm input can cause a segmentation fault, leading to denial-of-service, as demonstrated by wasm-as.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2023-08-22
Published