A security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in OpenJPEG.
Software DescriptionIt was discovered that OpenJPEG incorrectly handled certain PGX files. An attacker could possibly use this issue to cause a denial of service or possibly remote code execution. (CVE-2017-17480)
It was discovered that OpenJPEG incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of service. (CVE-2018-14423)
It was discovered that OpenJPEG incorrectly handled certain PNM files. An attacker could possibly use this issue to cause a denial of service. (CVE-2018-18088)
It was discovered that OpenJPEG incorrectly handled certain BMP files. An attacker could possibly use this issue to cause a denial of service. (CVE-2018-5785, CVE-2018-6616)
Update instructionsThe problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
ReferencesA security issue affects these releases of Ubuntu and its derivatives:
Zstandard could be made to execute arbitrary code if it received specially crafted input.
Software DescriptionIt was discovered that Zstandard incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code.
Update instructionsThe problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
ReferencesA security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in GIFLIB.
Software DescriptionIt was discovered that GIFLIB incorrectly handled certain GIF files. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS. (CVE-2016-3977)
It was discovered that GIFLIB incorrectly handled certain GIF files. An attacker could possibly use this issue to cause a denial of service. (CVE-2018-11490, CVE-2019-15133)
Update instructionsThe problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
ReferencesA security issue affects these releases of Ubuntu and its derivatives:
NLTK could be made to overwrite files.
Software DescriptionMike Salvatore discovered that NLTK mishandled crafted ZIP archives during extraction. A remote attacker could use this vulnerability to write arbitrary files to the filesystem
Update instructionsThe problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
ReferencesA security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in CUPS.
Software DescriptionStephan Zeisberg discovered that the CUPS SNMP backend incorrectly handled encoded ASN.1 inputs. A remote attacker could possibly use this issue to cause CUPS to crash by providing specially crafted network traffic. (CVE-2019-8696, CVE-2019-8675)
It was discovered that CUPS did not properly handle client disconnection events. A local attacker could possibly use this issue to cause a denial of service or disclose memory from the CUPS server.
Update instructionsThe problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References