USN-4515-1: Pure-FTPd vulnerability

Antonio Norales discovered that Pure-FTPd incorrectly handled directory aliases. An attacker could possibly use this issue to access sensitive information. CVE-2020-9274...

USN-4514-1: libproxy vulnerability

It was discovered that libproxy incorrectly handled certain PAC files. An attacker could possibly use this issue to cause a denial of service...

USN-4513-1: apng2gif vulnerability

Dileep Kumar Jallepalli discovered that apng2gif incorrectly handled loading APNG files. An attacker could exploit this with a crafted APNG file to access sensitive information. CVE-2017-6960...

USN-4510-2: Samba vulnerability

USN-4510-1 fixed a vulnerability in Samba. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Tom Tervoort discovered that the Netlogon protocol implemented by Samba incorrectly handled the authentication scheme. A remote attacker could use this issue t...

USN-4512-1: util-linux vulnerability

It was discovered that the umount bash completion script shipped in util-linux incorrectly handled certain mountpoints. If a local attacker were able to create arbitrary mountpoints, another user could be tricked into executing arbitrary code when attempting to run the umount command with bash...

USN-4511-1: QEMU vulnerability

Ziming Zhang, Xiao Wei, Gonglei Arei, and Yanyu Zhang discovered that QEMU incorrectly handled certain USB packets. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service, or possibly execute arbitrary code on the host. In the default...

USN-4510-1: Samba vulnerability

Tom Tervoort discovered that the Netlogon protocol implemented by Samba incorrectly handled the authentication scheme. A remote attacker could use this issue to forge an authentication token and steal the credentials of the domain admin. This update fixes the issue by changing the "server schanne...

USN-4509-1: Perl DBI module vulnerabilities

It was discovered that Perl DBI module incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. CVE-2013-7490 It was discovered that Perl DBI module incorrectly handled certain files. An attacker could possibly use this issue to expose sensitive...

USN-4508-1: StoreBackup vulnerability

It was discovered that StoreBackup did not properly manage lock files. A local attacker could use this issue to cause a denial of service or escalate privileges and run arbitrary code. CVE-2020-7040...

USN-4507-1: ncmpc vulnerability

It was discovered that ncmpc incorrectly handled long chat messages. A remote attacker could possibly exploit this with a crafted chat message, causing ncmpc to crash, resulting in a denial of service. CVE-2018-9240...

USN-4506-1: MCabber vulnerability

It was discovered that MCabber does not properly manage roster pushes. An attacker could possibly use this issue to remotely perform machine-in-the-middle attacks. CVE-2016-9928...

USN-4505-1: PHPMailer vulnerability

Elar Lang discovered that PHPMailer did not properly escape double quote characters in filenames. A remote attacker could possibly exploit this with a crafted filename to bypass attachment filters that are based on matching filename extensions. CVE-2020-13625...

USN-4504-1: OpenSSL vulnerabilities

Robert Merget, Marcus Brinkmann, Nimrod Aviram, and Juraj Somorovsky discovered that certain Diffie-Hellman ciphersuites in the TLS specification and implemented by OpenSSL contained a flaw. A remote attacker could possibly use this issue to eavesdrop on encrypted communications. This was fixed i...

USN-4502-1: websocket-extensions vulnerability

It was discovered that websocket-extensions does not properly parse special headers. A remote attacker could use this issue to cause regex backtracking, resulting in a denial of service. CVE-2020-7663...

USN-4503-1: Perl DBI module vulnerability

It was discovered that Perl DBI module incorrectly handled certain calls. An attacker could possibly use this issue to execute arbitrary code...

USN-4501-1: LuaJIT vulnerability

It was discovered that an out-of-bounds read existed in LuaJIT. An attacker could use this to cause a denial of service application crash or possibly expose sensitive information. CVE-2020-15890...

USN-4500-1: bsdiff vulnerabilities

It was discovered that bsdiff mishandled certain input. If a user were tricked into opening a malicious file, an attacker could cause bsdiff to crash or potentially execute arbitrary code...

USN-4498-1: Loofah vulnerability

It was discovered that Loofah does not properly sanitize JavaScript in sanitized output. An attacker could possibly use this issue to perform XSS attacks. CVE-2019-15587...

USN-4499-1: MilkyTracker vulnerabilities

It was discovered that MilkyTracker did not properly handle certain input. If a user were tricked into opening a malicious file, an attacker could cause MilkyTracker to crash or potentially execute arbitrary code...

USN-4497-1: OpenJPEG vulnerabilities

It was discovered that OpenJPEG incorrectly handled certain image files. A remote attacker could possibly use this issue to cause a denial of service. CVE-2016-9112 It was discovered that OpenJPEG did not properly handle certain input. If OpenJPEG were supplied with specially crafted input, it...

USN-4496-1: Apache XML-RPC vulnerability

It was discovered that Apache XML-RPC aka ws-xmlrpc does not properly deserialize untrusted data. An attacker could possibly use this issue to execute arbitrary code. CVE-2019-17570...

USN-4495-1: Apache Log4j vulnerability

It was discovered that Apache Log4j does not properly deserialize untrusted data. An attacker could possibly use this issue to remotely execute arbitrary code. CVE-2019-17571...

USN-4494-1: GUPnP vulnerability

It was discovered that GUPnP incorrectly handled certain subscription requests. A remote attacker could possibly use this issue to exfiltrate data or use GUPnP to perform DDoS attacks...

USN-4493-1: cryptsetup vulnerability

It was discovered that cryptsetup incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code...

LSN-0071-1: Kernel Live Patch Security Notice

Or Cohen discovered that the AFPACKET implementation in the Linux kernel did not properly perform bounds checking in some situations. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2020-14386...

USN-4488-2: X.Org X Server vulnerabilities

USN-4488-1 fixed several vulnerabilities in X.Org. This update provides the corresponding update and also the update from USN-4490-1 for Ubuntu 14.04 ESM. Original advisory details: Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled the input extension protocol. A local attack...

USN-4491-1: GnuTLS vulnerability

It was discovered that GnuTLS incorrectly handled certain alerts when being used with TLS 1.3 servers. A remote attacker could use this issue to cause GnuTLS to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-4487-2: libx11 vulnerabilities

USN-4487-1 fixed several vulnerabilities in libx11. This update provides the corresponding update for Ubuntu 12.04 ESM and 14.04 ESM. Original advisory details: Todd Carson discovered that libx11 incorrectly handled certain memory operations. A local attacker could possibly use this issue to...

USN-4490-1: X.Org X Server vulnerability

Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled the XkbSetNames function. A local attacker could possibly use this issue to escalate privileges...

USN-4489-1: Linux kernel vulnerability

Or Cohen discovered that the AFPACKET implementation in the Linux kernel did not properly perform bounds checking in some situations. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code...

USN-4474-2: Firefox regressions

USN-4474-1 fixed vulnerabilities in Firefox. The update introduced various minor regressions. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted...

USN-4485-1: Linux kernel vulnerabilities

Timothy Michaud discovered that the i915 graphics driver in the Linux kernel did not properly validate user memory locations for the i915gemexecbuffer2ioctl. A local attacker could possibly use this to cause a denial of service or execute arbitrary code. CVE-2018-20669 It was discovered that the...

USN-4483-1: Linux kernel vulnerabilities

Chuhong Yuan discovered that go7007 USB audio device driver in the Linux kernel did not properly deallocate memory in some failure conditions. A physically proximate attacker could use this to cause a denial of service memory exhaustion. CVE-2019-20810 Fan Yang discovered that the mremap...

USN-4449-2: Apport vulnerabilities

USN-4449-1 fixed several vulnerabilities in Apport. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Ryota Shiga working with Trend Micro´s Zero Day Initiative, discovered that Apport incorrectly dropped privileges when making certain D-Bus calls. A...

USN-4488-1: X.Org X Server vulnerabilities

Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled the input extension protocol. A local attacker could possibly use this issue to escalate privileges. CVE-2020-14346 Jan-Niklas Sohn discovered that the X.Org X Server incorrectly initialized memory. A local attacker could...

USN-4487-1: libx11 vulnerabilities

Todd Carson discovered that libx11 incorrectly handled certain memory operations. A local attacker could possibly use this issue to escalate privileges. CVE-2020-14344 Jayden Rivers discovered that libx11 incorrectly handled locales. A local attacker could possibly use this issue to escalate...

USN-4484-1: Linux kernel vulnerability

It was discovered that the cgroup v2 subsystem in the Linux kernel did not properly perform reference counting in some situations, leading to a NULL pointer dereference. A local attacker could use this to cause a denial of service or possibly gain administrative privileges...

USN-4486-1: Linux kernel vulnerability

Wen Xu discovered that the XFS filesystem implementation in the Linux kernel did not properly validate meta-data information. An attacker could use this to construct a malicious xfs image that, when mounted, could cause a denial of service system crash...

USN-4482-1: Ark vulnerability

Fabian Vogt discovered that Ark incorrectly handled symbolic links in tar archive files. An attacker could use this to construct a malicious tar archive that, when opened, would create files outside the extraction directory...

USN-4481-1: FreeRDP vulnerabilities

It was discovered that FreeRDP incorrectly handled certain memory operations. A remote attacker could use this issue to cause FreeRDP to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-4471-2: Net-SNMP regression

USN-4471-1 fixed a vulnerability in Net-SNMP. The updated introduced a regression making nsExtendCacheTime not settable. This update fixes the problem adding the cacheTime feature flag. Original advisory details: Tobias Neitzel discovered that Net-SNMP incorrectly handled certain symlinks. An...

USN-4480-1: OpenStack Keystone vulnerabilities

It was discovered that OpenStack Keystone incorrectly handled EC2 credentials. An authenticated attacker with a limited scope could possibly create EC2 credentials with escalated permissions. CVE-2020-12689, CVE-2020-12691 It was discovered that OpenStack Keystone incorrectly handled the list of...

USN-4479-1: Django vulnerabilities

It was discovered that Django, when used with Python 3.7 or higher, incorrectly handled directory permissions. A local attacker could possibly use this issue to obtain sensitive information, or escalate permissions...

USN-4478-1: Python-RSA vulnerability

It was discovered that Python-RSA incorrectly handled certain ciphertexts. An attacker could possibly use this issue to obtain sensitive information...

USN-4477-1: Squid vulnerabilities

Amit Klein discovered that Squid incorrectly validated certain data. A remote attacker could possibly use this issue to perform an HTTP request smuggling attack, resulting in cache poisoning. CVE-2020-15810 Régis Leroy discovered that Squid incorrectly validated certain data. A remote attacker...

USN-4476-1: NSS vulnerability

It was discovered that NSS incorrectly handled some inputs. An attacker could possibly use this issue to expose sensitive information...

USN-4475-1: Chrony vulnerability

It was discovered that Chrony incorrectly handled certain symbolic links. An attacker could possibly use this issue to cause a denial of service or expose sensitive information...

USN-4446-2: Squid regression

USN-4446-1 fixed vulnerabilities in Squid. The update introduced a regression when using Squid with the icap or ecap protocols. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Jeriko One discovered that Squid incorrectly handled caching certain...

USN-4474-1: Firefox vulnerabilities

Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, trick the user in to installing a malicious extension, spoof the URL bar, leak sensitive information...

USN-4473-1: libmysofa vulnerabilities

It was discovered that libmysofa incorrectly handled certain input files. An attacker could possibly use this issue to cause a denial of service or other unspecified impact. CVE-2019-16091, CVE-2019-16092, CVE-2019-16093, CVE-2019-16094, CVE-2019-16095...