JLSEC-2026-1333

curl 7.61.0 through 7.76.1 suffers from exposure of data element to wrong session due to a mistake in the code for CURLOPTSSLCIPHERLIST when libcurl is built to use the Schannel TLS library. The selected cipher set was stored in a single "static" variable in the library, which has the surprising...

JLSEC-2026-1338

libcurl-using applications can ask for a specific client certificate to be used in a transfer. This is done with the CURLOPTSSLCERT option --cert with the command line tool.When libcurl is built to use the macOS native TLS library Secure Transport, an application can ask for the client certificat...

JLSEC-2026-1337

curl supports the -t command line option, known as CURLOPTTELNETOPTIONSin libcurl. This rarely used option is used to send variable=content pairs toTELNET servers.Due to flaw in the option parser for sending NEWENV variables, libcurlcould be made to pass on uninitialized data from a stack based...

JLSEC-2026-1336

When curl is instructed to get content using the metalink feature, and a user name and password are used to download the metalink XML file, those same credentials are then subsequently passed on to each of the servers from which curl will download or try to download the contents from. Often...

JLSEC-2026-1339

A user can tell curl = 7.20.0 and = 7.78.0 to require a successful upgrade to TLS when speaking to an IMAP, POP3 or FTP server --ssl-reqd on the command line orCURLOPTUSESSL set to CURLUSESSLCONTROL or CURLUSESSLALL withlibcurl. This requirement could be bypassed if the server would return a...

JLSEC-2026-1335

When curl is instructed to download content using the metalink feature, thecontents is verified against a hash provided in the metalink XML file.The metalink XML file points out to the client how to get the same contentfrom a set of different URLs, potentially hosted by different servers and...

JLSEC-2026-1343 When saving HSTS data to an excessively long file name, curl could end up removing all contents,...

When saving HSTS data to an excessively long file name, curl could end up removing all contents, making subsequent requests using that file unaware of the HSTS status they should otherwise use...

JLSEC-2026-1342 When curl retrieves an HTTP response, it stores the incoming headers so that they can be accessed...

When curl retrieves an HTTP response, it stores the incoming headers so that they can be accessed later via the libcurl headers API. However, curl did not have a limit in how many or how large headers it would accept in a response, allowing a malicious server to stream an endless series of header...

JLSEC-2026-1319 sftp in OpenSSH before 10.4 does not properly constrain the location of downloaded files when ...

sftp in OpenSSH before 10.4 does not properly constrain the location of downloaded files when "sftp server:/path ." is used with an attacker-controlled server...

JLSEC-2026-1329 In sshd in OpenSSH before 10.5, the restrict keyword (in authorized_keys) was supposed to be...

In sshd in OpenSSH before 10.5, the restrict keyword in authorizedkeys was supposed to be applicable to tunnel forwarding but was not...

JLSEC-2026-1327 In ssh-agent in OpenSSH before 10.5, some operations can occur remotely but were intended to...

In ssh-agent in OpenSSH before 10.5, some operations can occur remotely but were intended to occur only locally, including operations that add tokens or use keys. This is caused by misinteraction between agent locking and the [email protected] extension...

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-2026-1321 internal-sftp in sshd in OpenSSH before 10.4 recognizes only the first 9 command-line arguments,...

internal-sftp in sshd in OpenSSH before 10.4 recognizes only the first 9 command-line arguments, which can be important if a later command-line argument would have helped to ensure the intended security properties of an SFTP connection...

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-2026-1325 sshd in OpenSSH before 10.4 does not always honor the minimum authentication delay.

sshd in OpenSSH before 10.4 does not always honor the minimum authentication delay...

JLSEC-2026-1322 sshd in OpenSSH before 10.4 has an undocumented security-relevant behavior:...

sshd in OpenSSH before 10.4 has an undocumented security-relevant behavior: GSSAPIStrictAcceptorCheck has no value if the server is in Windows Active Directory...

JLSEC-2026-1320 scp in OpenSSH before 10.4 may place a file in the parent directory of an intended directory when...

scp in OpenSSH before 10.4 may place a file in the parent directory of an intended directory when the copy occurs between two remote destinations...

JLSEC-2026-1326 ssh in OpenSSH before 10.4 can have a use-after-free when a server changes its host key during a...

ssh in OpenSSH before 10.4 can have a use-after-free when a server changes its host key during a key re-exchange. This outcome occurs only on the client side...

JLSEC-2026-1323 In sshd in OpenSSH before 10.4, DisableForwarding=yes was supposed to take precedence over...

In sshd in OpenSSH before 10.4, DisableForwarding=yes was supposed to take precedence over PermitTunnel=yes, but did not...

JLSEC-2026-1313

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

JLSEC-2026-1303

Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. The assertion failure is triggered when Exiv2 is used to modify the metadata of a crafted image file. An attacker could potentially exploit the vulnerability to cause a denia...

JLSEC-2026-1306

Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. A null pointer dereference was found in Exiv2 versions v0.27.4 and earlier. The null pointer dereference is triggered when Exiv2 is used to print the metadata of a crafted...

JLSEC-2026-1312

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

JLSEC-2026-1304

Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. An infinite loop is triggered when Exiv2 is used to read the metadata of a crafted image file. An attacker could potentially exploit the vulnerability to cause a denial of...

JLSEC-2026-1311

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

JLSEC-2026-1307

Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. A null pointer dereference was found in Exiv2 versions v0.27.4 and earlier. The null pointer dereference is triggered when Exiv2 is used to print the metadata of a crafted...

JLSEC-2026-1314 Exiv2 Segmentation Faults in Exiv2::EpsImage::writeMetadata() via crafted EPS file

Impact An out-of-bounds read was found in Exiv2 versions v0.28.5 and earlier. Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. The out-of-bounds read is triggered when Exiv2 is used to write metadata into a crafted image...

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-2026-1310

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 read the metadata of a crafted image file. An...

JLSEC-2026-1315 Exiv2 has quadratic performance in ICC profile parsing in `JpegBase::readMetadata`

Impact A denial-of-service was found in Exiv2 version v0.28.5: a quadratic algorithm in the ICC profile parsing code in jpegBase::readMetadata can cause Exiv2 to run for a long time. Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of imag...

JLSEC-2026-1317

Exiv2 is a C++ library and a command-line utility to read, write, delete and modify Exif, IPTC, XMP and ICC image metadata. Prior to version 0.28.8, an out-of-bounds read was found in Exiv2. The vulnerability is in the preview component, which is only triggered when running Exiv2 with an extra...

JLSEC-2026-1316

Exiv2 is a C++ library and a command-line utility to read, write, delete and modify Exif, IPTC, XMP and ICC image metadata. Prior to version 0.28.8, an out-of-bounds read was found. The vulnerability is in the CRW image parser. This issue has been patched in version 0.28.8...

JLSEC-2026-1318

Exiv2 is a C++ library and a command-line utility to read, write, delete and modify Exif, IPTC, XMP and ICC image metadata. Prior to version 0.28.8, an uncaught exception was found in Exiv2. The vulnerability is in the preview component, which is only triggered when running Exiv2 with an extra...

JLSEC-2026-1308

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 print the metadata of a crafted image file. A...

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-2026-1302

libcroco through 0.6.13 has excessive recursion in crparserparseanycore in cr-parser.c, leading to stack consumption...

JLSEC-2026-1292

cfginit in confuse.c in libConfuse 3.2.2 has a memory leak...

JLSEC-2026-1296

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 unicodedecodewcstombs function in xlstool.c:266...

JLSEC-2026-1294

An issue was discovered in libxls before and including 1.6.1 when reading Microsoft Excel files. A NULL pointer dereference vulnerability exists when parsing XLS cells in libxls/xls2csv.c:199. It could allow a remote attacker to cause a denial of service via crafted XLS file...

JLSEC-2026-1297

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 xlsparseWorkBook function in xls.c:1015...

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-2026-1299

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-2026-1295

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 xlsparseWorkBook function in xls.c:1018...

JLSEC-2026-1298

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 transcodelatin1toutf8 function in xlstool.c:296...

JLSEC-2026-1301

libxls through version 1.6.3 contains a use of uninitialized memory vulnerability in the OLE container parser. Memory allocated for the Master Sector Allocation Table MSAT in readMSAT is not fully initialized before being consumed by ole2validatesectorchain, which may result in application crashe...

JLSEC-2026-1293

An issue was discovered in the function markbeginningasnormal in nfa.c in flex 2.6.4. There is a stack exhaustion problem caused by the markbeginningasnormal function making recursive calls to itself in certain scenarios involving lots of '' characters. Remote attackers could leverage this...

JLSEC-2026-1287

Date.parse in the date gem through 3.2.0 for Ruby allows ReDoS regular expression Denial of Service via a long string. The fixed versions are 3.2.1, 3.1.2, 3.0.2, and 2.0.1...

JLSEC-2026-1283

In Ruby through 3.0 on Windows, a remote attacker can submit a crafted path when a Web application handles a parameter with TmpDir...

JLSEC-2026-1282

The REXML gem before 3.2.5 in Ruby before 2.6.7, 2.7.x before 2.7.3, and 3.x before 3.0.1 does not properly address XML round-trip issues. An incorrect document can be produced after parsing and serializing...

JLSEC-2026-1289

In libtirpc before 1.3.3rc1, remote attackers could exhaust the file descriptors of a process that uses libtirpc because idle TCP connections are mishandled. This can, in turn, lead to an svcrun infinite loop without accepting new connections...