Red Hat Security Advisory: libtar security update

Fixed packages 3

Vulnerabilities 4

• Medium 6.5
  CVE-2021-33643

  An attacker who submits a crafted tar file with size in header struct being 0 may be able to trigger an calling of mall…

  libtar libtar libtar Debian Ubuntu Azure Linux
  Aug 9, 2022
• Unscored —
  CVE-2021-33644

  An attacker who submits a crafted tar file with size in header struct being 0 may be able to trigger an calling of mall…

  libtar libtar libtar Debian Ubuntu Azure Linux
  Aug 9, 2022
• Unscored —
  CVE-2021-33645

  The th_read() function doesn’t free a variable t->th_buf.gnu_longlink after allocating memory, which may cause a memory…

  libtar libtar libtar Debian Ubuntu Azure Linux
  Aug 9, 2022
• Unscored —
  CVE-2021-33646

  The th_read() function doesn’t free a variable t->th_buf.gnu_longname after allocating memory, which may cause a memory…

  libtar libtar libtar Debian Ubuntu Azure Linux
  Aug 9, 2022

References

• article
  https://access.redhat.com/security/updates/classification/#moderate
• article
  https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.8_release_notes/index
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2121289
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2121292
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2121295
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2121297
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2023/rhsa-2023_2898.json
• report
  https://access.redhat.com/security/cve/CVE-2021-33643
• advisory
  https://www.cve.org/CVERecord?id=CVE-2021-33643
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2021-33643
• article
  https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-1807
• report
  https://access.redhat.com/security/cve/CVE-2021-33644
• advisory
  https://www.cve.org/CVERecord?id=CVE-2021-33644
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2021-33644
• report
  https://access.redhat.com/security/cve/CVE-2021-33645
• advisory
  https://www.cve.org/CVERecord?id=CVE-2021-33645
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2021-33645
• report
  https://access.redhat.com/security/cve/CVE-2021-33646
• advisory
  https://www.cve.org/CVERecord?id=CVE-2021-33646
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2021-33646