#dos

Ubuntu Security Notice 5641-1 - Mikhail Evdokimov discovered that Squid incorrectly handled cache manager ACLs. A remote attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS. It was discovered that Squid incorrectly handled SSPI and SMB authentication. A remote attacker could use this issue to cause Squid to crash, resulting in a denial of service, or possibly obtain sensitive information.

Ubuntu Security Notice 5640-1 - It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Duoming Zhou discovered that race conditions existed in the timer handling implementation of the Linux kernel's Rose X.25 protocol layer, resulting in use-after-free vulnerabilities. A local attacker could use this to cause a denial of service.

Red Hat Security Advisory 2022-6708-01 - Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 102.3.0. Issues addressed include a bypass vulnerability.

Ubuntu Security Notice 5639-1 - It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Moshe Kol, Amit Klein and Yossi Gilad discovered that the IP implementation in the Linux kernel did not provide sufficient randomization when calculating port offsets. An attacker could possibly use this to expose sensitive information.

Red Hat Security Advisory 2022-6710-01 - Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 102.3.0. Issues addressed include a bypass vulnerability.

Red Hat Security Advisory 2022-6713-01 - Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 102.3.0. Issues addressed include a bypass vulnerability.

Red Hat Security Advisory 2022-6715-01 - Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 102.3.0. Issues addressed include a bypass vulnerability.

### Impact dparse versions prior to 0.5.1 contain a regular expression that is vulnerable to [ReDoS](https://owasp.org/www-community/attacks/Regular_expression_Denial_of_Service_-_ReDoS) (Regular Expression Denial of Service). All users parsing index server URLs with dparse are impacted by this vulnerability. ### Patches The Patch is applied in the `0.5.2` version, all users are recommended to upgrade as soon as possible. ### Workarounds Avoid passing index server URLs in the source file to be parsed. ### References [https://github.com/pyupio/dparse/tree/security/remove-intensive-regex](https://github.com/pyupio/dparse/tree/security/remove-intensive-regex) ### For more information If you have any questions or comments about this advisory: * Email us at [[email protected]](mailto:[email protected])

The Ukrainian government on Monday warned of "massive cyberattacks" by Russia targeting critical infrastructure facilities located in the country and that of its allies. The attacks are said to be targeting the energy sector, the Main Directorate of Intelligence of the Ministry of Defense of Ukraine (GUR) said. "By the cyberattacks, the enemy will try to increase the effect of missile strikes on

rdiffweb prior to 2.4.8 is vulnerable to a potential Dos attack via an unlimited length "username" field. This can result in excess memory consumption, or memory corruption, leading to a Denial of Service (DoS). This issue is patched in version 2.4.8. There are no known workarounds.