CVE-2024-12381

CVE-2024-12381 CVE-2024-12381 is a WebAssembly type canonicalization vulnerability in Chrome's V8 engine where CanonicalEquality::EqualValueType fails to account for nullability in indexed reference types. Combined with a JSPI-based V8 sandbox bypass CVE-2024-12692, this allows remote code...

CVE-2026-74936-gc-potato

CVE-2026-74936 A not fancy reproduction. The baseline required some fiddling here. Mozilla describes this issue as a WebAssembly use-after-free. Public fix 9823b5c86ffa keeps the exact trapping wasm::Code alive in JitActivation. The test performs a bad-signature cross-instance tail call. A Debugg...

SUSE CVE-2026-113680

HarfBuzz from 8.0.0 through 14.6.0 contains a NULL pointer dereference vulnerability in the experimental WebAssembly shaper host imports buffersetcontents, facecreate, and fontsetcoords. Attackers can supply a crafted font whose embedded wasm module passes out-of-range addresses with non-zero...

CVE-2026-112947

A flaw was found in Vite. A remote attacker can exploit this flaw to cause information disclosure by sending a crafted request with a WebAssembly query parameter. Vite's internal WebAssembly Wasm plugin fails to enforce filesystem access restrictions, reading files from the host disk and returnin...

CVE-2026-113679

A flaw was found in HarfBuzz. An attacker can trigger an out-of-bounds write by enticing an application using the experimental WebAssembly Wasm shaper to process a specially crafted font. Due to an incorrect function signature in the glyph string conversion interface, the font's embedded...

CVE-2026-113680

A flaw was found in HarfBuzz. This vulnerability allows an attacker to cause a Denial of Service DoS by supplying a specially crafted font containing an embedded WebAssembly Wasm module. When an application shapes text using the malicious font, the module passes out-of-range memory addresses to...

AZL-109809 CVE-2026-113680 affecting package harfbuzz 8.3.0-4

HarfBuzz from 8.0.0 through 14.6.0 contains a NULL pointer dereference vulnerability in the experimental WebAssembly shaper host imports buffersetcontents, facecreate, and fontsetcoords. Attackers can supply a crafted font whose embedded wasm module passes out-of-range addresses with non-zero...

CVE-2026-113680

HarfBuzz from 8.0.0 through 14.6.0 contains a NULL pointer dereference vulnerability in the experimental WebAssembly shaper host imports buffersetcontents, facecreate, and fontsetcoords. Attackers can supply a crafted font whose embedded wasm module passes out-of-range addresses with non-zero...

CVE-2026-113679

HarfBuzz 8.0.0 through 14.6.0 contains an out-of-bounds write vulnerability in the experimental WebAssembly shaper because the fontglyphtostring import has a wrong WAMR signature. Attackers can supply a crafted font whose wasm module places the output buffer near linear memory's end, writing...

CVE-2026-113680 HarfBuzz 8.0.0 through 14.6.0 WebAssembly Shaper NULL Pointer Dereference DoS

HarfBuzz from 8.0.0 through 14.6.0 contains a NULL pointer dereference vulnerability in the experimental WebAssembly shaper host imports buffersetcontents, facecreate, and fontsetcoords. Attackers can supply a crafted font whose embedded wasm module passes out-of-range addresses with non-zero...

EUVD-2026-105096

HarfBuzz from 8.0.0 through 14.6.0 contains a NULL pointer dereference vulnerability in the experimental WebAssembly shaper host imports buffersetcontents, facecreate, and fontsetcoords. Attackers can supply a crafted font whose embedded wasm module passes out-of-range addresses with non-zero...

CVE-2026-113680

The HarfBuzz library, versions 8.0.0 through 14.6.0 , contains a NULL pointer dereference vulnerability within the experimental WebAssembly shaper host imports, specifically affecting buffer_set_contents, face_create, and font_set_coords. A remote attacker can trigger a Denial of Service (DoS) by...

CVE-2026-113680 HarfBuzz 8.0.0 through 14.6.0 WebAssembly Shaper NULL Pointer Dereference DoS

HarfBuzz from 8.0.0 through 14.6.0 contains a NULL pointer dereference vulnerability in the experimental WebAssembly shaper host imports buffersetcontents, facecreate, and fontsetcoords. Attackers can supply a crafted font whose embedded wasm module passes out-of-range addresses with non-zero...

CVE-2026-113680 HarfBuzz 8.0.0 through 14.6.0 WebAssembly Shaper NULL Pointer Dereference DoS

HarfBuzz from 8.0.0 through 14.6.0 contains a NULL pointer dereference vulnerability in the experimental WebAssembly shaper host imports buffersetcontents, facecreate, and fontsetcoords. Attackers can supply a crafted font whose embedded wasm module passes out-of-range addresses with non-zero...

CVE-2026-113679 HarfBuzz 8.0.0 through 14.6.0 Out-of-Bounds Write via WebAssembly font_glyph_to_string

HarfBuzz 8.0.0 through 14.6.0 contains an out-of-bounds write vulnerability in the experimental WebAssembly shaper because the fontglyphtostring import has a wrong WAMR signature. Attackers can supply a crafted font whose wasm module places the output buffer near linear memory's end, writing...

CVE-2026-113679 HarfBuzz 8.0.0 through 14.6.0 Out-of-Bounds Write via WebAssembly font_glyph_to_string

HarfBuzz 8.0.0 through 14.6.0 contains an out-of-bounds write vulnerability in the experimental WebAssembly shaper because the fontglyphtostring import has a wrong WAMR signature. Attackers can supply a crafted font whose wasm module places the output buffer near linear memory's end, writing...

CVE-2026-113679 HarfBuzz 8.0.0 through 14.6.0 Out-of-Bounds Write via WebAssembly font_glyph_to_string

HarfBuzz 8.0.0 through 14.6.0 contains an out-of-bounds write vulnerability in the experimental WebAssembly shaper because the fontglyphtostring import has a wrong WAMR signature. Attackers can supply a crafted font whose wasm module places the output buffer near linear memory's end, writing...

EUVD-2026-105095

HarfBuzz 8.0.0 through 14.6.0 contains an out-of-bounds write vulnerability in the experimental WebAssembly shaper because the fontglyphtostring import has a wrong WAMR signature. Attackers can supply a crafted font whose wasm module places the output buffer near linear memory's end, writing...

CVE-2026-113679

The HarfBuzz library versions 8.0.0 through 14.6.0 are susceptible to an out-of-bounds write vulnerability within the experimental WebAssembly shaper . The root cause is an incorrect WAMR signature in the font_glyph_to_string import. An attacker can provide a crafted font containing a WebAssembly...

CVE-2026-2796-escape-wasm-by-using-wasm

CVE-2026-2796 — SpiderMonkey WebAssembly Sandbox Escape Proof-of-concept exploit chain for CVE-2026-2796 , a JIT miscompilation / type-confusion in Mozilla SpiderMonkey's WebAssembly import optimization "JavaScript: WebAssembly" component. A crafted wasm module obtains arbitrary read/write of the...