JLSEC-2026-74 In OpenSSH before 10.3, a file downloaded by scp may be installed setuid or setgid, an outcome...

In OpenSSH before 10.3, a file downloaded by scp may be installed setuid or setgid, an outcome contrary to some users' expectations, if the download is performed as root with -O legacy scp protocol and without -p preserve mode...

JLSEC-2026-14

An issue was discovered in GNU patch through 2.7.6. There is a segmentation fault, associated with a NULL pointer dereference, leading to a denial of service in the intuitdifftype function in pch.c, aka a "mangled rename" issue...

JLSEC-2025-253 `_TIFFCheckMalloc` and `_TIFFCheckRealloc` in `tif_aux.c` in LibTIFF through 4.0.10 mishandle...

TIFFCheckMalloc and TIFFCheckRealloc in tifaux.c in LibTIFF through 4.0.10 mishandle Integer Overflow checks because they rely on compiler behavior that is undefined by the applicable C standards. This can, for example, lead to an application crash...

JLSEC-2025-307 A null pointer dereference issue was found in Libtiff's `tif_dir.c` file

A null pointer dereference issue was found in Libtiff's tifdir.c file. This issue may allow an attacker to pass a crafted TIFF image file to the tiffcp utility which triggers a runtime error that causes undefined behavior. This will result in an application crash, eventually leading to a denial o...

JLSEC-2025-271 LibTIFF master branch has an out-of-bounds read in LZWDecode in `libtiff/tif_lzw.c:624`, allowing...

LibTIFF master branch has an out-of-bounds read in LZWDecode in libtiff/tiflzw.c:624, allowing attackers to cause a denial-of-service via a crafted tiff file. For users that compile libtiff from sources, the fix is available with commit b4e79bfa...

JLSEC-2025-262 Reachable Assertion in tiffcp in libtiff 4.3.0 allows attackers to cause a denial-of-service via a...

Reachable Assertion in tiffcp in libtiff 4.3.0 allows attackers to cause a denial-of-service via a crafted tiff file. For users that compile libtiff from sources, the fix is available with commit 5e180045...

JLSEC-2025-310 A memory leak flaw was found in Libtiff's tiffcrop utility

A memory leak flaw was found in Libtiff's tiffcrop utility. This issue occurs when tiffcrop operates on a TIFF image file, allowing an attacker to pass a crafted TIFF image file to tiffcrop utility, which causes this memory leak issue, resulting an application crash, eventually leading to a denia...

JLSEC-2025-254 `tif_getimage.c` in LibTIFF through 4.0.10, as used in GDAL through 3.0.1 and other products, has an...

tifgetimage.c in LibTIFF through 4.0.10, as used in GDAL through 3.0.1 and other products, has an integer overflow that potentially causes a heap-based buffer overflow via a crafted RGBA image, related to a "Negative-size-param" condition...

JLSEC-2025-236 An improper link resolution flaw can occur while extracting an archive leading to changing modes,...

An improper link resolution flaw can occur while extracting an archive leading to changing modes, times, access control lists, and flags of a file outside of the archive. An attacker may provide a malicious archive to a victim user, who would trigger this flaw when trying to extract the archive. ...

JLSEC-2025-247 A vulnerability has been identified in the libarchive library

A vulnerability has been identified in the libarchive library. This flaw involves an 'off-by-one' miscalculation when handling prefixes and suffixes for file names. This can lead to a 1-byte write overflow. While seemingly small, such an overflow can corrupt adjacent memory, leading to...

JLSEC-2025-219 An issue was discovered in Mbed TLS before 2.28.2 and 3.x before 3.3.0

An issue was discovered in Mbed TLS before 2.28.2 and 3.x before 3.3.0. An adversary with access to precise enough information about memory accesses typically, an untrusted operating system attacking a secure enclave can recover an RSA private key after observing the victim performing a single...

JLSEC-2025-209 An issue was discovered in Arm Mbed TLS before 2.24.0

An issue was discovered in Arm Mbed TLS before 2.24.0. mbedtlsx509crlparseder has a buffer over-read of one byte...

JLSEC-2025-207 An issue was discovered in Arm Mbed TLS before 2.24.0

An issue was discovered in Arm Mbed TLS before 2.24.0. An attacker can recover a private key for RSA or static Diffie-Hellman via a side-channel attack against generation of base blinding/unblinding values...

JLSEC-2025-225 An issue was discovered in Mbed TLS 2.18.0 through 2.28.x before 2.28.8 and 3.x before 3.6.0, and...

An issue was discovered in Mbed TLS 2.18.0 through 2.28.x before 2.28.8 and 3.x before 3.6.0, and Mbed Crypto. The PSA Crypto API mishandles shared memory...

JLSEC-2025-188 In libssh2 v1.9.0 and earlier versions, the `SSH_MSG_DISCONNECT` logic in packet.c has an integer...

In libssh2 v1.9.0 and earlier versions, the SSHMSGDISCONNECT logic in packet.c has an integer overflow in a bounds check, enabling an attacker to specify an arbitrary out-of-bounds offset for a subsequent memory read. A crafted SSH server may be able to disclose sensitive information or cause a...

JLSEC-2025-178 The tjLoadImage function in libjpeg-turbo 2.0.1 has an integer overflow with a resultant heap-based...

The tjLoadImage function in libjpeg-turbo 2.0.1 has an integer overflow with a resultant heap-based buffer overflow via a BMP image because multiplication of pitch and height is mishandled, as demonstrated by tjbench...

JLSEC-2025-180 The PPM reader in libjpeg-turbo through 2.0.90 mishandles use of tjLoadImage for loading a 16-bit...

The PPM reader in libjpeg-turbo through 2.0.90 mishandles use of tjLoadImage for loading a 16-bit binary PPM file into a grayscale buffer and loading a 16-bit binary PGM file into an RGB buffer. This is related to a heap-based buffer overflow in the getwordrgbrow function in rdppm.c...

JLSEC-2025-173 libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a...

libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing...

JLSEC-2025-166 `gio/gsocks4aproxy.c` in GNOME GLib before 2.82.1 has an off-by-one error and resultant buffer...

gio/gsocks4aproxy.c in GNOME GLib before 2.82.1 has an off-by-one error and resultant buffer overflow because SOCKS4CONNMSGLEN is not sufficient for a trailing '\0' character...

JLSEC-2025-155 GNOME GLib before 2.65.3 has an integer overflow, that might lead to an out-of-bounds write, in...

GNOME GLib before 2.65.3 has an integer overflow, that might lead to an out-of-bounds write, in goptiongroupaddentries. NOTE: the vendor's position is "Realistically this is not a security issue. The standard pattern is for callers to provide a static list of option entries in a fixed number of...

JLSEC-2025-101 FFMPEG version 4.1 contains a CWE-129: Improper Validation of Array Index vulnerability in...

FFMPEG version 4.1 contains a CWE-129: Improper Validation of Array Index vulnerability in libavcodec/cbsav1.c that can result in Denial of service. This attack appears to be exploitable via specially crafted AV1 file has to be provided as input. This vulnerability appears to have been fixed in...

JLSEC-2025-120 A vulnerability classified as problematic has been found in ffmpeg

A vulnerability classified as problematic has been found in ffmpeg. This affects an unknown part of the file libavcodec/rpzaenc.c of the component QuickTime RPZA Video Encoder. The manipulation of the argument ysize leads to out-of-bounds read. It is possible to initiate the attack remotely. The...

JLSEC-2025-106 In FFmpeg before 4.2, `avcodec_open2` in `libavcodec/utils.c` allows a NULL pointer dereference and...

In FFmpeg before 4.2, avcodecopen2 in libavcodec/utils.c allows a NULL pointer dereference and possibly unspecified other impact when there is no valid close function pointer...

JLSEC-2025-139 An integer overflow in the component `/libavformat/westwood_vqa.c` of FFmpeg n6.1.1 allows attackers...

An integer overflow in the component /libavformat/westwoodvqa.c of FFmpeg n6.1.1 allows attackers to cause a denial of service in the application via a crafted VQA file...

JLSEC-2025-68 xmlStringLenDecodeEntities in parser.c in libxml2 2.9.10 has an infinite loop in a certain...

xmlStringLenDecodeEntities in parser.c in libxml2 2.9.10 has an infinite loop in a certain end-of-file situation...

JLSEC-2025-47 lookup in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.

lookup in xmlparse.c in Expat aka libexpat before 2.4.3 has an integer overflow...

JLSEC-2026-1384

Heap-based buffer overflow in the SOHM list-index deserialization code in HDF5 through 2.1.1 on all platforms allows attackers to cause a denial of service crash via a crafted HDF5 file whose shared-message list index declares a nummessages count exceeding listmax, triggering out-of-bounds heap...

JLSEC-2026-1354 Wasmtime: Heap OOB read in component model UTF-16 to latin1+utf16 string transcoding

Summary Wasmtime contains a vulnerability where when transcoding a UTF-16 string to the latin1+utf16 component-model encoding it would incorrectly validate the byte length of the input string when performing a bounds check. Specifically the number of code units were checked instead of the byte...

JLSEC-2026-1328 In ssh in OpenSSH before 10.5, a use-after-free for realloc data can occur if a certain pair of...

In ssh in OpenSSH before 10.5, a use-after-free for realloc data can occur if a certain pair of remote-forwarding operations are concurrent...

JLSEC-2026-1309

Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. An out-of-bounds read was found in Exiv2 versions v0.27.4 and earlier. The out-of-bounds read is triggered when Exiv2 is used to write metadata into a crafted image file. An...

JLSEC-2026-1305

Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. A floating point exception FPE due to an integer divide by zero was found in Exiv2 versions v0.27.4 and earlier. The FPE is triggered when Exiv2 is used to print the metadata...

JLSEC-2026-1299

Buffer Overflow vulnerability in libxlsv.1.6.2 allows a remote attacker to execute arbitrary code and cause a denial of service via a crafted XLS file to the getstring function in xlstool.c:395...

JLSEC-2026-1300

Buffer Overflow vulnerability in libxlsv.1.6.2 allows a remote attacker to execute arbitrary code and cause a denial of service via a crafted XLS file to the getstring function in xlstool.c:411...

JLSEC-2026-1288

CGI::Cookie.parse in Ruby through 2.6.8 mishandles security prefixes in cookie names. This also affects the CGI gem through 0.3.0 for Ruby...

JLSEC-2026-1263

A flaw was found in the libblkid library of util-linux. During nested partition probing, the BSD, Minix, Solaris x86, and UnixWare partition probers cache a raw pointer to a parent partition entry in a dynamically allocated array. When subsequent partition additions cause the array to be...

JLSEC-2026-1261 GNU patch is vulnerable to a denial of service (DoS) due to improper validation of hunk (single...

GNU patch is vulnerable to a denial of service DoS due to improper validation of hunk single block of changes in diff line offsets in unified-diff input. A specially crafted patch can specify an extremely large line number, causing the application to enter an effectively infinite processing loop...

JLSEC-2026-1258 In MIT Kerberos 5 (aka krb5) before 1.22.3, there is a NULL pointer dereference if an application...

In MIT Kerberos 5 aka krb5 before 1.22.3, there is a NULL pointer dereference if an application calls gssacceptseccontext on a system with a NegoEx mechanism registered in /etc/gss/mech. An unauthenticated remote attacker can trigger this, causing the process to terminate in parsenegomessage...

JLSEC-2026-1244 A flaw was found in GLib. An out-of-bounds read of only 2 bytes can occur in the...

A flaw was found in GLib. An out-of-bounds read of only 2 bytes can occur in the gdatetimegetymd function in the glib/gdatetime.c file when an invalid GDateTime object produced by the gdatetimeaddfull function is processed. This flaw can corrupt the date output and potentially cause logic errors...

JLSEC-2026-1223

In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized crafted XML input...

JLSEC-2026-1211 A vulnerability exists where a new transfer that uses STARTTLS to upgrade the connection might...

A vulnerability exists where a new transfer that uses STARTTLS to upgrade the connection might reuse an existing live connection even though the TLS configuration mismatches so it should not...

JLSEC-2026-1216 When reusing a libcurl handle for sequential transfers driven by environment-variable proxy...

When reusing a libcurl handle for sequential transfers driven by environment-variable proxy configuration, libcurl fails to clear the proxy authentication state between requests. Specifically, if the initial transfer authenticates against proxyA using Digest auth, a subsequent transfer routed...

JLSEC-2026-1190 FFmpeg versions from 3.0 up to, but not including, 9.0 contain an uninitialized heap memory read...

FFmpeg versions from 3.0 up to, but not including, 9.0 contain an uninitialized heap memory read vulnerability in the native Screenpresso decoder libavcodec/screenpresso.c that allows attackers to recover sensitive memory contents by supplying a crafted SPV1 packet with a valid zlib stream that...

JLSEC-2026-1121

NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. Starting in version 2.2.0 and prior to versions 2.11.14 and 2.12.5, a missing sanity check on a WebSockets frame could trigger a server panic in the nats-server. This happens before authentication, and...

JLSEC-2026-1129

NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. Prior to versions 2.11.15 and 2.12.6, the NATS message header Nats-Request-Info: is supposed to be a guarantee of identity by the NATS server, but the stripping of this header from inbound messages was...

JLSEC-2026-1112 In LibRaw before 0.21.4, tag 0x412 processing in phase_one_correct in decoders/load_mfbacks.cpp...

In LibRaw before 0.21.4, tag 0x412 processing in phaseonecorrect in decoders/loadmfbacks.cpp does not enforce minimum w0 and w1 values...

JLSEC-2026-1090

Heap-based Buffer Overflow in GitHub repository hpjansson/chafa prior to 1.12.0...

JLSEC-2026-927 ImageMagick has Integer Overflow in BMP Decoder (ReadBMP)

Summary CVE-2025-57803 claims to be patched in ImageMagick 7.1.2-2, but the fix is incomplete and ineffective. The latest version 7.1.2-5 remains vulnerable to the same integer overflow attack. The patch added BMPOverflowCheck but placed it after the overflow occurs, making it useless. A maliciou...

JLSEC-2026-905

A vulnerability was found in ImageMagick. This security flaw ouccers as an undefined behaviors of casting double to sizet in svg, mvg and other coders recurring bugs of CVE-2022-32546...

JLSEC-2026-1072 ImageMagick before 7.1.2-26 contains a memory leak vulnerability in the JNG encoder when a blob...

ImageMagick before 7.1.2-26 contains a memory leak vulnerability in the JNG encoder when a blob cannot be opened. Attackers can trigger the memory leak by providing malformed JNG files that fail blob operations, causing resource exhaustion...

JLSEC-2026-1081 ImageMagick: Integer Overflow in JNX decoder causes heap buffer over-write when processing extremly large files on 32-bit builds

ImageMagick is free and open-source software used for editing and manipulating digital images. In versions prior to both 6.9.13-52 and 7.1.2-27, processing an extremely large JNX file on 32-bit platforms can cause an integer overflow, leading to a heap buffer over-write. This issue has been fixed...