<commit_before><commit_msg>Advisories for Thunderbird 91.1<commit_after>## mfsa2021-41.yml
announced: September 7, 2021
impact: low
fixed_in:
- Firefox ESR 91.1
title: Security Vulnerabilities fixed in Thunderbird 91.1
advisories:
  CVE-2021-38492:
    title: 'Navigating to `mk:` URL scheme could load Internet Explorer'
    impact: moderate
    reporter: <NAME>
    description: |
      When delegating navigations to the operating system, Thunderbird would accept the `mk` scheme which might allow attackers to launch pages and execute scripts in Internet Explorer in unprivileged mode.
      <br>*This bug only affects Thunderbird for Windows. Other operating systems are unaffected.*
    bugs:
      - url: 1721107
  CVE-2021-38495:
    title: Memory safety bugs fixed in Thunderbird 91.1
    impact: high
    reporter: Mozilla developers and community
    description: |
      Mozilla developers <NAME>, <NAME>, and <NAME> reported memory safety bugs present in Thunderbird 78.13.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.
    bugs:
      - url: 1723391, 1723920, 1724101, 1724107
        desc: Memory safety bugs fixed in Thunderbird 91.1

{'fraction_non_alphanumeric': 0.06091772151898734, 'fraction_numerical': 0.06645569620253164, 'mean_word_length': 3.7916666666666665, 'pattern_counts': {'":': 0, '<': 8, '<?xml version=': 0, '>': 8, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '3194712', 'n_tokens_mistral': 413, 'n_tokens_neox': 338, 'n_words': 155}