Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2022.3159 ublock-origin security update 30 June 2022 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: ublock-origin Publisher: Debian Operating System: Debian GNU/Linux Resolution: Patch/Upgrade CVE Names: CVE-2021-36773 Original Bulletin: https://lists.debian.org/debian-lts-announce/2022/06/msg00024.html Comment: CVSS (Max): 7.5 CVE-2021-36773 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) CVSS Source: NVD Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - --------------------------BEGIN INCLUDED TEXT-------------------- - ------------------------------------------------------------------------- Debian LTS Advisory DLA-3062-1 debian-lts@lists.debian.org https://www.debian.org/lts/security/ Markus Koschany June 29, 2022 https://wiki.debian.org/LTS - ------------------------------------------------------------------------- Package : ublock-origin Version : 1.42.0+dfsg-1~deb9u1 CVE ID : CVE-2021-36773 Debian Bug : 991386 uBlock, a Firefox add-on and efficient ads, malware and trackers blocker, supported an arbitrary depth of parameter nesting for strict blocking, which allows crafted web sites to cause a denial of service (unbounded recursion that can trigger memory consumption and a loss of all blocking functionality). Please note that webext-ublock-origin was replaced by webext-ublock-origin- firefox. For Debian 9 stretch, this problem has been fixed in version 1.42.0+dfsg-1~deb9u1. We recommend that you upgrade your ublock-origin packages. For the detailed security status of ublock-origin please refer to its security tracker page at: https://security-tracker.debian.org/tracker/ublock-origin Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS - -----BEGIN PGP SIGNATURE----- iQKTBAABCgB9FiEErPPQiO8y7e9qGoNf2a0UuVE7UeQFAmK8voZfFIAAAAAALgAo aXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldEFD RjNEMDg4RUYzMkVERUY2QTFBODM1RkQ5QUQxNEI5NTEzQjUxRTQACgkQ2a0UuVE7 UeT4NRAAslkfFZk7FbsCS8j0TzuST2uB9JMJUFbkSORH8SRjwyypTWsnPdyL0cHF 3zlVnBaNmaaChTG/Tat+42Nd5vrygJpPZHuHOUtDOtBL9k/0vixfL6k4vAFExt2M dt643paM/mOBdQFq50N5Mf5p+uGj/VyBp6GzHtGCh4J78e/5MHc3CYK4sHdNq4PS DoUTjOhxAJIN7yn3q4mvo7M3l8wQgxRazNrIxoE3TxbGSRIJ7TSi7PoLIyWfNIif yf/PTrg5a/DlOxl45kFMnH4wS3887e6n8wyKIjBkxQKeOQ8Ul83GDNbk7l2S5+2H ck8NSreAptkIi8VJcKh2gQMtgUbbvaRoOFErOjiwyA547cMKCDwXjRUlAgnHm341 fUU2NsMlIYFLFRzKV2AJkEwDySKqqHIOIFkG1xlS8QwHsn9P95q/iTcAYcm5Ydr/ hQqGqnq8+Zx5k2zcJzBudfeovegKD9z0NyA49HdGy1+G5wdlr7fXxu9EZgV1A5n+ V0a0RZ+zQk9PGYz5FCnXsf3ZB3qorRU9mevKPCKdupqHC8BwE7jQHgtMBghwXlrn lFSaEL2Vc2IyLUf0jNwm863wg++QjATIBjobiksTzol2NejzEzgpqKQuLeiYUNTO n6cCjpi+6k1BW+L/nBBCFXhgNF54FwulBl5txqrYKRkfBqnu7oA= =ecQF - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: https://auscert.org.au/gpg-key/ iQIVAwUBYrz1LckNZI30y1K9AQg9+xAAjMGvrFK8T1Nq8viv++bF/ePN7aRO+8Oc 2GrtPoPSDDUl8adbHrqbI/jq+kcZczXu2xEiAWmv100G0ObPFWND3ksTpUz4whu3 4z/mC5vLBFY1QAtzjc5X//z/kD5p9SVnH8W3sw3ZmPU4z7zu8UaFaWLqOqC8pX7R KXkcWPDsX1ki3R0j9m5BlzAkjADKEMxhNpAJgPrygAnaBbHByuD2DSIWrmiKvkhK bwbpwbTIEGI8hfjButlY8hvTbNlJxhwx7EGl7eXexmlAD31v4RR8zXNbnEuRZN6G hBN7ijFzh8ZNEekX2OU3olC2GzLQr5JJ6yX9n4SQUex2eQ5NvIu3sjiLiePhQSTH ZpTW1PvfdHJ8wi7qLPQNTI6b//w2s9tZIdNP8BtuOu3zdezkUxKHLbfY4ZNihaAo /ShHgx1fuOpJSe4XS/0jntoo6wLnCBHT90qkNQro+zIgF3vi71jIu7DbGVSC5y9e rkXhVsFm6noxNV+vNiQb7YF9gf25Wdyvo8CoIJMtcvRRki1ycUSa5ajojgaHgE9G vE9MbNm2WWLjisIddzB9jHF91imuWhfLyBTZT+yfF2cFbUBW6VqHi7bnQW/rWn3H AglnWmxmoBCFB+8Mxf0PiQmV+UdjAG+FNZWV79kbNcShm5oAylb1r6hd1RNbRpJc b9W8wLDd6pQ= =x0vu -----END PGP SIGNATURE-----