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ALSA-2023:5453 Not scored

Important: glibc security update

The glibc packages provide the standard C libraries (libc), POSIX thread libraries (libpthread), standard math libraries (libm), and the name service cache daemon (nscd) used by multiple programs on the system. Without these libraries, the Linux system cannot function correctly. Security Fix(es): * glibc: buffer overflow in ld.so leading to privilege escalation (CVE-2023-4911) * glibc: Stack read overflow in getaddrinfo in no-aaaa mode (CVE-2023-4527) * glibc: potential use-after-free in getaddrinfo() (CVE-2023-4806) * glibc: potential use-after-free in gaih_inet() (CVE-2023-4813) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Exploit probability Not scored
Published October 5, 2023
Required by Not available
Last source change February 4, 2026

02 / AFFECTED SOFTWARE

Affected packages

AlmaLinux:9 glibc-utils
AlmaLinux:9 glibc-langpack-ku
AlmaLinux:9 glibc-langpack-gv
AlmaLinux:9 glibc-langpack-si
AlmaLinux:9 glibc-langpack-as
AlmaLinux:9 glibc-langpack-uk
AlmaLinux:9 glibc-headers
AlmaLinux:9 glibc-langpack-sm
AlmaLinux:9 glibc-langpack-nso
AlmaLinux:9 glibc-langpack-sd
AlmaLinux:9 glibc-langpack-am
AlmaLinux:9 glibc-langpack-wo
AlmaLinux:9 glibc-langpack-mn
AlmaLinux:9 glibc-langpack-mr
AlmaLinux:9 glibc-langpack-to
AlmaLinux:9 glibc-langpack-tk
AlmaLinux:9 glibc-langpack-ps
AlmaLinux:9 glibc-langpack-yo
AlmaLinux:9 glibc-langpack-tg
AlmaLinux:9 glibc-langpack-lij
AlmaLinux:9 glibc-langpack-fi
AlmaLinux:9 glibc-langpack-pt
AlmaLinux:9 glibc-langpack-brx
AlmaLinux:9 glibc-langpack-nhn
AlmaLinux:9 glibc-langpack-mi
AlmaLinux:9 glibc-langpack-bo
AlmaLinux:9 glibc-langpack-mt
AlmaLinux:9 glibc-langpack-te
AlmaLinux:9 glibc-langpack-kk
AlmaLinux:9 glibc-langpack-nb
AlmaLinux:9 glibc-langpack-ht
AlmaLinux:9 glibc-langpack-li
AlmaLinux:9 glibc-langpack-anp
AlmaLinux:9 glibc-langpack-af
AlmaLinux:9 glibc-langpack-miq
AlmaLinux:9 glibc-langpack-kok
AlmaLinux:9 glibc-langpack-hi
AlmaLinux:9 glibc-langpack-crh
AlmaLinux:9 glibc-langpack-the
AlmaLinux:9 glibc-langpack-ne
AlmaLinux:9 glibc-langpack-quz
AlmaLinux:9 glibc-langpack-ka
AlmaLinux:9 glibc-langpack-kl
AlmaLinux:9 glibc-langpack-shs
AlmaLinux:9 glibc-locale-source
AlmaLinux:9 glibc-langpack-fa
AlmaLinux:9 glibc-langpack-xh
AlmaLinux:9 glibc-langpack-eo
AlmaLinux:9 glibc-langpack-gl
AlmaLinux:9 glibc-langpack-pl
AlmaLinux:9 glibc-langpack-ta
AlmaLinux:9 glibc-langpack-ms
AlmaLinux:9 glibc-langpack-sv
AlmaLinux:9 glibc-langpack-cy
AlmaLinux:9 glibc-langpack-fur
AlmaLinux:9 glibc-langpack-yue
AlmaLinux:9 glibc-doc
AlmaLinux:9 glibc-langpack-es
AlmaLinux:9 glibc-langpack-ayc
AlmaLinux:9 glibc-langpack-aa
AlmaLinux:9 glibc-langpack-sl
AlmaLinux:9 glibc-langpack-fr
AlmaLinux:9 glibc-langpack-nr
AlmaLinux:9 glibc-langpack-mg
AlmaLinux:9 glibc-langpack-wa
AlmaLinux:9 glibc-common
AlmaLinux:9 glibc-langpack-sw
AlmaLinux:9 glibc-langpack-byn
AlmaLinux:9 glibc-langpack-bg
AlmaLinux:9 glibc-langpack-ro
AlmaLinux:9 glibc-langpack-csb
AlmaLinux:9 glibc-langpack-ug
AlmaLinux:9 glibc-langpack-pa
AlmaLinux:9 glibc-langpack-ru
AlmaLinux:9 glibc-langpack-sq
AlmaLinux:9 glibc-langpack-st
AlmaLinux:9 glibc-langpack-sgs
AlmaLinux:9 glibc-langpack-sa
AlmaLinux:9 glibc-langpack-agr
AlmaLinux:9 glibc-langpack-os
AlmaLinux:9 nss_db
AlmaLinux:9 glibc-langpack-az
AlmaLinux:9 glibc-langpack-fo
AlmaLinux:9 glibc-langpack-tr
AlmaLinux:9 glibc-langpack-ia
AlmaLinux:9 glibc-langpack-se
AlmaLinux:9 glibc-langpack-mjw
AlmaLinux:9 glibc
AlmaLinux:9 glibc-langpack-kab
AlmaLinux:9 glibc-langpack-ast
AlmaLinux:9 glibc-langpack-an
AlmaLinux:9 glibc-langpack-hsb
AlmaLinux:9 glibc-langpack-el
AlmaLinux:9 glibc-langpack-doi
AlmaLinux:9 glibc-langpack-cmn
AlmaLinux:9 glibc-langpack-yuw
AlmaLinux:9 glibc-langpack-lb
AlmaLinux:9 glibc-langpack-ss
AlmaLinux:9 glibc-langpack-sr
AlmaLinux:9 glibc-langpack-bs
AlmaLinux:9 glibc-langpack-hif
AlmaLinux:9 glibc-langpack-nl
AlmaLinux:9 glibc-langpack-br
AlmaLinux:9 glibc-langpack-bho
AlmaLinux:9 glibc-langpack-mai
AlmaLinux:9 glibc-langpack-bhb
AlmaLinux:9 glibc-langpack-sat
AlmaLinux:9 glibc-langpack-uz
AlmaLinux:9 glibc-langpack-it
AlmaLinux:9 glibc-langpack-ja
AlmaLinux:9 glibc-gconv-extra
AlmaLinux:9 glibc-langpack-szl
AlmaLinux:9 glibc-langpack-ig
AlmaLinux:9 glibc-langpack-so
AlmaLinux:9 glibc-langpack-cs
AlmaLinux:9 glibc-langpack-ber
AlmaLinux:9 glibc-langpack-sah
AlmaLinux:9 glibc-langpack-da
AlmaLinux:9 glibc-langpack-my
AlmaLinux:9 glibc-langpack-lv
AlmaLinux:9 glibc-langpack-nds
AlmaLinux:9 glibc-langpack-vi
AlmaLinux:9 glibc-langpack-ff
AlmaLinux:9 glibc-langpack-is
AlmaLinux:9 glibc-langpack-tl
AlmaLinux:9 glibc-langpack-shn
AlmaLinux:9 glibc-langpack-mag
AlmaLinux:9 glibc-minimal-langpack
AlmaLinux:9 glibc-langpack-ky
AlmaLinux:9 glibc-benchtests
AlmaLinux:9 glibc-langpack-chr
AlmaLinux:9 glibc-langpack-sid
AlmaLinux:9 glibc-langpack-mfe
AlmaLinux:9 glibc-langpack-sc
AlmaLinux:9 glibc-langpack-lg
AlmaLinux:9 glibc-langpack-ti
AlmaLinux:9 glibc-langpack-tn
AlmaLinux:9 glibc-langpack-et
AlmaLinux:9 glibc-langpack-ak
AlmaLinux:9 glibc-langpack-om
AlmaLinux:9 glibc-langpack-eu
AlmaLinux:9 glibc-langpack-be
AlmaLinux:9 glibc-langpack-oc
AlmaLinux:9 glibc-langpack-raj
AlmaLinux:9 glibc-langpack-niu
AlmaLinux:9 glibc-langpack-iu
AlmaLinux:9 glibc-langpack-ve
AlmaLinux:9 glibc-langpack-hr
AlmaLinux:9 glibc-langpack-hak
AlmaLinux:9 libnsl
AlmaLinux:9 glibc-langpack-km
AlmaLinux:9 glibc-langpack-lt
AlmaLinux:9 glibc-langpack-mni
AlmaLinux:9 glibc-langpack-ha
AlmaLinux:9 glibc-langpack-en
AlmaLinux:9 glibc-nss-devel
AlmaLinux:9 glibc-langpack-ln
AlmaLinux:9 glibc-langpack-lo
AlmaLinux:9 glibc-static
AlmaLinux:9 glibc-langpack-th
AlmaLinux:9 glibc-langpack-wal
AlmaLinux:9 glibc-langpack-hu
AlmaLinux:9 glibc-langpack-unm
AlmaLinux:9 glibc-langpack-ar
AlmaLinux:9 glibc-langpack-pap
AlmaLinux:9 glibc-langpack-ga
AlmaLinux:9 glibc-langpack-fy
AlmaLinux:9 glibc-langpack-he
AlmaLinux:9 glibc-langpack-ik
AlmaLinux:9 glibc-langpack-hne
AlmaLinux:9 glibc-langpack-rw
AlmaLinux:9 glibc-langpack-ks
AlmaLinux:9 glibc-langpack-yi
AlmaLinux:9 glibc-langpack-wae
AlmaLinux:9 glibc-langpack-gez
AlmaLinux:9 glibc-langpack-tcy
AlmaLinux:9 glibc-langpack-gu
AlmaLinux:9 glibc-langpack-zh
AlmaLinux:9 glibc-langpack-bn
AlmaLinux:9 glibc-langpack-ts
AlmaLinux:9 glibc-langpack-tig
AlmaLinux:9 glibc-langpack-dv
AlmaLinux:9 glibc-langpack-dsb
AlmaLinux:9 glibc-langpack-ce
AlmaLinux:9 glibc-langpack-gd
AlmaLinux:9 glibc-langpack-ca
AlmaLinux:9 glibc-langpack-fil
AlmaLinux:9 glibc-langpack-or
AlmaLinux:9 glibc-langpack-ckb
AlmaLinux:9 glibc-langpack-cv
AlmaLinux:9 nss_hesiod
AlmaLinux:9 nscd
AlmaLinux:9 glibc-all-langpacks
AlmaLinux:9 glibc-langpack-ml
AlmaLinux:9 glibc-langpack-kn
AlmaLinux:9 glibc-langpack-zu
AlmaLinux:9 glibc-devel
AlmaLinux:9 glibc-langpack-bem
AlmaLinux:9 glibc-langpack-id
AlmaLinux:9 glibc-langpack-mhr
AlmaLinux:9 glibc-langpack-lzh
AlmaLinux:9 glibc-langpack-mnw
AlmaLinux:9 glibc-langpack-tpi
AlmaLinux:9 glibc-langpack-ur
AlmaLinux:9 glibc-langpack-sk
AlmaLinux:9 glibc-langpack-de
AlmaLinux:9 glibc-langpack-tt
AlmaLinux:9 glibc-langpack-bi
AlmaLinux:9 glibc-langpack-hy
AlmaLinux:9 glibc-langpack-nn
AlmaLinux:9 glibc-langpack-kw
AlmaLinux:9 glibc-langpack-nan
AlmaLinux:9 glibc-langpack-dz
AlmaLinux:9 glibc-langpack-ko
AlmaLinux:9 glibc-langpack-mk

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities ALSA-2023:5453

The glibc packages provide the standard C libraries (libc), POSIX thread libraries (libpthread), standard math libraries (libm), and the name service cache daemon (nscd) used by multiple programs on the system. Without these libraries, the Linux system cannot function correctly. Security Fix(es): * glibc: buffer overflow in ld.so leading to privilege escalation (CVE-2023-4911) * glibc: Stack read overflow in getaddrinfo in no-aaaa mode (CVE-2023-4527) * glibc: potential use-after-free in getaddrinfo() (CVE-2023-4806) * glibc: potential use-after-free in gaih_inet() (CVE-2023-4813) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

View original source

05 / REFERENCES

Further evidence