Linux Security
Linux Security
Linux Security

Mageia 2021-0150: glibc security update

Date 21 Mar 2021
96
Posted By LinuxSecurity Advisories
Updated glibc packages fix a security vulnerabilities: The iconv function in the GNU C Library (aka glibc or libc6) 2.32 and earlier, when processing invalid multi-byte input sequences in IBM1364, IBM1371, IBM1388, IBM1390, and IBM1399 encodings, fails to advance the
MGASA-2021-0150 - Updated glibc packages fixes security vulnerabilities

Publication date: 21 Mar 2021
URL: https://advisories.mageia.org/MGASA-2021-0150.html
Type: security
Affected Mageia releases: 7
CVE: CVE-2020-27618,
     CVE-2021-3326,
     CVE-2021-27645

Updated glibc packages fix a security vulnerabilities:

The iconv function in the GNU C Library (aka glibc or libc6) 2.32 and
earlier, when processing invalid multi-byte input sequences in IBM1364,
IBM1371, IBM1388, IBM1390, and IBM1399 encodings, fails to advance the
input state, which could lead to an infinite loop in applications,
resulting in a denial of service (CVE-2020-27618).

The iconv function in the GNU C Library (aka glibc or libc6) 2.32 and
earlier, when processing invalid input sequences in the ISO-2022-JP-3
encoding, fails an assertion in the code path and aborts the program,
potentially resulting in a denial of service (CVE-2021-3326).

The nameserver caching daemon (nscd), when processing a request for netgroup
lookup, may crash due to a double-free, potentially resulting in degraded
service or Denial of Service on the local system (CVE-2021-27645).

References:
- https://bugs.mageia.org/show_bug.cgi?id=28246
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27618
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3326
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27645

SRPMS:
- 7/core/glibc-2.29-22.mga7

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