libarchive: CVE-2021-36976

Debian Bug report logs - #991442
libarchive: CVE-2021-36976

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Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: Salvatore Bonaccorso <carnil@debian.org>

To: Debian Bug Tracking System <submit@bugs.debian.org>

Subject: libarchive: CVE-2021-36976

Date: Fri, 23 Jul 2021 20:28:13 +0200

Source: libarchive
Version: 3.4.3-2
Severity: important
Tags: security upstream
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>

Hi,

The following vulnerability was published for libarchive.

CVE-2021-36976[0]:
| libarchive 3.4.1 through 3.5.1 has a use-after-free in copy_string
| (called from do_uncompress_block and process_block).


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2021-36976
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36976
[1] https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32375
[2] https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libarchive/OSV-2021-557.yaml

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore

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