1717 matches found
JLSEC-2026-513
In ZeroMQ before version 4.3.3, there is a denial-of-service vulnerability. Users with TCP transport public endpoints, even with CURVE/ZAP enabled, are impacted. If a raw TCP socket is opened and connected to an endpoint that is fully configured with CURVE/ZAP, legitimate clients will not be able...
JLSEC-2026-506
LibSass before 3.6.3 allows a heap-based buffer over-read in Sass::weaveParents in astselweave.cpp...
JLSEC-2026-468
In libxml2 2.11 before 2.11.9, 2.12 before 2.12.9, and 2.13 before 2.13.3, the SAX parser can produce events for external entities even if custom SAX handlers try to override entity content by setting "checked". This makes classic XXE attacks possible...
JLSEC-2026-441
Heap buffer overflow in libwebp in Google Chrome prior to 116.0.5845.187 and libwebp 1.3.2 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. Chromium security severity: Critical...
JLSEC-2026-423 curl's websocket code did not update the 32 bit mask pattern for each new outgoing frame as the...
curl's websocket code did not update the 32 bit mask pattern for each new outgoing frame as the specification says. Instead it used a fixed mask that persisted and was used throughout the entire connection. A predictable mask pattern allows for a malicious server to induce traffic between the two...
JLSEC-2026-394
When curl 7.84.0 saves cookies, alt-svc and hsts data to local files, it makes the operation atomic by finalizing the operation with a rename from a temporary name to the final target file name.In that rename operation, it might accidentally widen the permissions for the target file, leaving the...
JLSEC-2026-435 1
A cookie is set using the secure keyword for https://target 2. curl is redirected to or otherwise made to speak with http://target same hostname, but using clear text HTTP using the same cookie set 3. The same cookie name is set - but with just a slash as path path="/",. Since this site is not...
JLSEC-2026-437 When an OAuth2 bearer token is used for an HTTP(S) transfer, and that transfer performs a redirect...
When an OAuth2 bearer token is used for an HTTPS transfer, and that transfer performs a redirect to a second URL, curl could leak that token to the second hostname under some circumstances. If the hostname that the first request is redirected to has information in the used .netrc file, with eithe...
JLSEC-2026-288 Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in OSGeo gdal...
Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in OSGeo gdal frmts/zlib/contrib/infback9 modules. This vulnerability is associated with program files inftree9.C. This issue affects gdal: before 3.11.0...
JLSEC-2026-274 Issue summary: During processing of a crafted CMS EnvelopedData message with KeyAgreeRecipientInfo a...
Issue summary: During processing of a crafted CMS EnvelopedData message with KeyAgreeRecipientInfo a NULL pointer dereference can happen. Impact summary: Applications that process attacker-controlled CMS data may crash before authentication or cryptographic operations occur resulting in Denial of...
JLSEC-2026-207
Leptonica before 1.80.0 allows a heap-based buffer over-read in rasteropGeneralLow, related to adaptmapreg.c and adaptmap.c...
JLSEC-2026-181
A mongocbulkoperationt may read invalid memory if large options are passed...
JLSEC-2026-104 Deno's improper suffix match testing for `DENO_AUTH_TOKENS`
Summary Deno improperly checks that an import specifier's hostname is equal to or a child of a token's hostname, which can cause tokens to be sent to servers they shouldn't be sent to. An auth token intended for example.com may be sent to notexample.com. Details authtokens.rs uses a simple endswi...
JLSEC-2026-101
Versions of the package deno before 1.31.0 are vulnerable to Regular Expression Denial of Service ReDoS due to the upgradeWebSocket function, which contains regexes in the form of /s,s/, used for splitting the Connection/Upgrade header. A specially crafted Connection/Upgrade header can be used to...
JLSEC-2026-93
In MIT Kerberos 5 aka krb5 before 1.21.3, an attacker can modify the plaintext Extra Count field of a confidential GSS krb5 wrap token, causing the unwrapped token to appear truncated to the application...
JLSEC-2026-38
A vulnerability was found in PostgreSQL. This attack requires permission to create non-temporary objects in at least one schema, the ability to lure or wait for an administrator to create or update an affected extension in that schema, and the ability to lure or wait for a victim to use the objec...
JLSEC-2026-47
Incomplete tracking in PostgreSQL of tables with row security allows a reused query to view or change different rows from those intended. CVE-2023-2455 and CVE-2016-2193 fixed most interaction between row security and user ID changes. They missed cases where a subquery, WITH query, security invok...
JLSEC-2026-6 LIBPNG is a reference library for use in applications that read, create, and manipulate PNG...
LIBPNG is a reference library for use in applications that read, create, and manipulate PNG Portable Network Graphics raster image files. Prior to 1.6.52, an out-of-bounds read vulnerability in libpng's simplified API allows reading up to 1012 bytes beyond the pngsRGBbase512 array when processing...
JLSEC-2025-306 loadImage() in `tools/tiffcrop.c` in LibTIFF through 4.5.0 has a heap-based use after free via a...
loadImage in tools/tiffcrop.c in LibTIFF through 4.5.0 has a heap-based use after free via a crafted TIFF image...
JLSEC-2025-124 An issue was discovered in `decode_frame` in `libavcodec/tiff.c` in FFmpeg version 4.3, allows...
An issue was discovered in decodeframe in libavcodec/tiff.c in FFmpeg version 4.3, allows remote attackers to cause a denial of service DoS...
JLSEC-2026-1361 Wasmtime with Winch compiler backend on aarch64 may allow a sandbox-escaping memory access
Impact Wasmtime with its Winch baseline non-default compiler backend may allow properly constructed guest Wasm to access host memory outside of its linear-memory sandbox. This vulnerability requires use of the Winch compiler -Ccompiler=winch. By default, Wasmtime uses its Cranelift backend, not...
JLSEC-2026-1356 Wasmtime has a possible panic when lifting `flags` component value
Impact Wasmtime contains a possible panic which can happen when a flags-typed component model value is lifted with the Val type. If bits are set outside of the set of flags the component model specifies that these bits should be ignored but Wasmtime will panic when this value is lifted. This pani...
JLSEC-2026-1324 sshd in OpenSSH before 10.4 allows remote attackers to cause a denial of service (resource...
sshd in OpenSSH before 10.4 allows remote attackers to cause a denial of service resource consumption from excessive authentication attempts because MaxAuthTries was mishandled for GSSAPIAuthentication...
JLSEC-2026-1268 Cap'n Proto and its Rust implementation vulnerable to out-of-bounds read due to logic error handling list-of-list
The Cap'n Proto library and capnp Rust package are vulnerable to out-of-bounds read due to logic error handling list-of-list. If a message consumer expects data of type "list of pointers", and if the consumer performs certain specific actions on such data, then a message producer can cause the...
JLSEC-2026-1147
NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.14.3 and 2.12.12, an unauthenticated MQTT client could cause the server to retain large incomplete MQTT CONNECT packets before authentication completed, consuming server memory while the...
JLSEC-2026-1094 A vulnerability was detected in WebAssembly Binaryen up to 117. This issue affects the function...
A vulnerability was detected in WebAssembly Binaryen up to 117. This issue affects the function IRBuilder::makeBrOn of the file src/wasm/wasm-ir-builder.cpp of the component BrOn Parser. Performing a manipulation results in reachable assertion. The attack needs to be approached locally. The explo...
JLSEC-2026-923 ImageMagick affected by divide-by-zero in ThumbnailImage via montage -geometry ":" leads to crash
Summary Passing a geometry string containing only a colon ":" to montage -geometry leads GetGeometry to set width/height to 0. Later, ThumbnailImage divides by these zero dimensions, triggering a crash SIGFPE/abort, resulting in a denial of service. Details Root Cause 1. montage -geometry ":"...
JLSEC-2026-921 imagemagick: integer overflows in MNG magnification
Vulnerability Details The magnified size calculations in ReadOneMNGIMage in coders/png.c are unsafe and can overflow, leading to memory corruption. The source snippet below is heavily abbreviated due to the size of the function, but hopefully the important points are captured. c static Image...
JLSEC-2026-922 ImageMagick has Undefined Behavior (function-type-mismatch) in CloneSplayTree
Summary - Target: ImageMagick commit ecc9a5eb456747374bae8e07038ba10b3d8821b3 - Type: Undefined Behavior function-type-mismatch in splay tree cloning callback - Impact: Deterministic abort under UBSan DoS in sanitizer builds. No crash in a non-sanitized build; likely low security impact. - Trigge...
JLSEC-2026-1073 ImageMagick before 7.1.2-26 contains a memory leak vulnerability in the TIFF encoder when memory...
ImageMagick before 7.1.2-26 contains a memory leak vulnerability in the TIFF encoder when memory allocation fails. Attackers can trigger allocation failures during TIFF image processing to cause memory exhaustion and denial of service...
JLSEC-2026-783
A flaw was found in libssh in which a malicious SFTP SSH File Transfer Protocol server can exploit this by sending a malformed 'longname' field within an SSHFXPNAME message during a file listing operation. This missing null check can lead to reading beyond allocated memory on the heap. This can...
JLSEC-2026-697 X.509 trust-chain bypass in the OpenSSL compatibility certificate verifier...
X.509 trust-chain bypass in the OpenSSL compatibility certificate verifier wolfSSLX509verifycert. This affects only builds with --enable-opensslextra OPENSSLEXTRA and whose application validates certificates by calling X509verifycert with caller-supplied untrusted intermediate certificates; for...
JLSEC-2026-681 The side-channel protected T-Table implementation in wolfSSL up to version 5.6.5 protects against a...
The side-channel protected T-Table implementation in wolfSSL up to version 5.6.5 protects against a side-channel attacker with cache-line resolution. In a controlled environment such as Intel SGX, an attacker can gain a per instruction sub-cache-line resolution allowing them to break the...
JLSEC-2026-695 The X25519 `x86_64` assembly implementation fails to clear the most significant bit during the final...
The X25519 x8664 assembly implementation fails to clear the most significant bit during the final modular reduction, so the computed result may not be fully reduced modulo the field prime 2^255 - 19. This can leave the field element in a non-canonical form, producing an incorrect result from the...
JLSEC-2026-713
Heap-based buffer overflow in the KCAPI ECC code path of wceccimportx963ex in wolfSSL wolfcrypt allows a remote attacker to write attacker-controlled data past the bounds of the pubkeyraw buffer via a crafted oversized EC public key point. The WOLFSSLKCAPIECC code path copies the input to...
JLSEC-2026-731 In `TLSX_EchChangeSNI`, the ctx->extensions branch set extensions unconditionally even when...
In TLSXEchChangeSNI, the ctx-extensions branch set extensions unconditionally even when TLSXFind returned NULL. This caused TLSXUseSNI to attach the attacker-controlled publicName to the shared WOLFSSLCTX when no inner SNI was configured. TLSXEchRestoreSNI then failed to clean it up because its...
JLSEC-2026-618 HTTP/1 request smuggling via bare-LF, lenient chunk size, and TE/CL handling in HTTP.jl server
Description The HTTP/1 server request parser had three framing primitives that could make HTTP.jl disagree with a fronting proxy about message boundaries on a reused keep-alive connection. 1 readlinecrlf tolerated a bare LF on its buffered fast path but required CRLF on the slow path, so the...
JLSEC-2026-603
Symlink following in PostgreSQL pgbasebackup plain format and in pgrewind allows an origin superuser to overwrite local files, e.g. /var/lib/postgres/.bashrc, that hijack the operating system account. It will remain the case that starting the server after these commands implicitly trusts the orig...
JLSEC-2026-608
SQL injection in PostgreSQL logical replication ALTER SUBSCRIPTION ... REFRESH PUBLICATION allows a subscriber table creator to execute arbitrary SQL with the subscription's publication-side credentials. The attack takes effect at the next REFRESH PUBLICATION. Within major versions 16, 17, and 18...
JLSEC-2026-576
A flaw was found in the way nettle's RSA decryption functions handled specially crafted ciphertext. An attacker could use this flaw to provide a manipulated ciphertext leading to application crash and denial of service...
JLSEC-2026-574
libheif is a HEIF and AVIF file format decoder and encoder. In versions 1.21.2 and prior, a crafted HEIF sequence file where the saiz box declares more samples than actually exist in the track's chunk table causes a heap-buffer-overflow out-of-bounds read in the SampleAuxInfoReader constructor. T...
JLSEC-2026-548
A flaw was found in OpenJPEG. Maliciously constructed pictures can cause the program to enter a large loop and continuously print warning messages on the terminal...
JLSEC-2026-531
A vulnerability was identified in raysan5 raylib up to 909f040. Affected by this issue is the function LoadFontData of the file src/rtext.c. The manipulation leads to integer overflow. The attack can only be performed from a local environment. The exploit is publicly available and might be used...
JLSEC-2026-518
GnuTLS 3.6.x before 3.6.14 uses incorrect cryptography for encrypting a session ticket a loss of confidentiality in TLS 1.2, and an authentication bypass in TLS 1.3. The earliest affected version is 3.6.4 2018-09-24 because of an error in a 2018-09-18 commit. Until the first key rotation, the TLS...
JLSEC-2026-507
LibSass before 3.6.3 allows a NULL pointer dereference in Sass::Parser::parseCompoundSelector in parserselectors.cpp...
JLSEC-2026-489 A flaw was found in glib
A flaw was found in glib. This vulnerability allows a heap buffer overflow and denial-of-service DoS via an integer overflow in GLib's GIO GLib Input/Output escapebytestring function when processing malicious file or remote filesystem attribute values...
JLSEC-2026-480 zlib before 1.3.2 allows CPU consumption via `crc32_combine64` and `crc32_combine_gen64` because...
zlib before 1.3.2 allows CPU consumption via crc32combine64 and crc32combinegen64 because x2nmodp can do right shifts within a loop that has no termination condition...
JLSEC-2026-463 Mbed TLS timing side channel in RSA and CBC/ECB decryption
In Mbed TLS through 4.0.0, there is a compiler-induced timing side channel in RSA and CBC/ECB decryption that only occurs with LLVM's select-optimize feature. TF-PSA-Crypto through 1.0.0 is also affected...
JLSEC-2026-455 Gnome Pango 1.42 and later is affected by: Buffer Overflow
Gnome Pango 1.42 and later is affected by: Buffer Overflow. The impact is: The heap based buffer overflow can be used to get code execution. The component is: function name: pangolog2visgetembeddinglevels, assignment of nchars and the loop condition. The attack vector is: Bug can be used when...