CVE-2021-3826

Heap/stack buffer overflow in the dlang_lname function in d-demangle.c in libiberty allows attackers to potentially cause a denial of service (segmentation fault and crash) via a crafted mangled symbol.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
redhatCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 41%
VendorProductVersion
gnugcc
11.2
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
binutils
bullseye
no-dsa
buster
no-dsa
bookworm
2.40-2
fixed
sid
2.43.1-5
fixed
trixie
2.43.1-5
fixed
libiberty
bullseye
no-dsa
buster
no-dsa
bookworm
20230104-1
fixed
sid
20240117-1
fixed
trixie
20240117-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
binutils
noble
not-affected
mantic
not-affected
lunar
not-affected
jammy
not-affected
focal
not-affected
bionic
not-affected
xenial
not-affected
trusty
not-affected
gcc-10
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
ignored
jammy
not-affected
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
gcc-11
noble
needed
mantic
ignored
lunar
ignored
kinetic
ignored
jammy
needed
focal
dne
bionic
dne
xenial
dne
trusty
dne
gcc-12
noble
not-affected
mantic
not-affected
lunar
not-affected
jammy
not-affected
focal
dne
bionic
ignored
xenial
ignored
trusty
ignored
gcc-13
noble
not-affected
mantic
not-affected
lunar
not-affected
jammy
dne
focal
dne
bionic
ignored
xenial
ignored
trusty
ignored
gcc-3.3
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
ignored
jammy
not-affected
focal
not-affected
bionic
not-affected
xenial
not-affected
trusty
not-affected
gcc-4.4
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
gcc-4.6
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
gcc-4.7
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
dne
xenial
not-affected
trusty
not-affected
gcc-4.7-armel-cross
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
dne
xenial
not-affected
trusty
dne
gcc-4.7-armhf-cross
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
dne
xenial
not-affected
trusty
dne
gcc-4.8
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
not-affected
xenial
not-affected
trusty
not-affected
gcc-4.8-arm64-cross
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
dne
xenial
not-affected
trusty
dne
gcc-4.8-armhf-cross
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
dne
xenial
not-affected
trusty
dne
gcc-4.8-powerpc-cross
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
dne
xenial
not-affected
trusty
dne
gcc-4.8-ppc64el-cross
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
dne
xenial
not-affected
trusty
dne
gcc-4.9
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
dne
xenial
not-affected
trusty
dne
gcc-5
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
not-affected
xenial
not-affected
trusty
dne
gcc-5-cross
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
not-affected
xenial
not-affected
trusty
dne
gcc-6
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
gcc-6-cross
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
gcc-6-cross-ports
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
gcc-7
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
not-affected
bionic
not-affected
xenial
dne
trusty
dne
gcc-7-cross
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
gcc-7-cross-ports
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
gcc-8
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
not-affected
bionic
not-affected
xenial
dne
trusty
dne
gcc-8-cross
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
not-affected
bionic
not-affected
xenial
dne
trusty
dne
gcc-8-cross-ports
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
not-affected
bionic
not-affected
xenial
dne
trusty
dne
gcc-9
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
ignored
jammy
not-affected
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
gcc-9-cross
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
not-affected
jammy
not-affected
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
gcc-9-cross-ports
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
ignored
jammy
not-affected
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
gcc-arm-linux-androideabi
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
dne
xenial
not-affected
trusty
dne
gcc-arm-none-eabi
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
ignored
jammy
not-affected
focal
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne
gcc-avr
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
ignored
jammy
not-affected
focal
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne
gcc-defaults
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
not-affected
jammy
not-affected
focal
not-affected
bionic
not-affected
xenial
not-affected
trusty
not-affected
gcc-defaults-arm64-cross
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
gcc-defaults-armel-cross
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
gcc-defaults-armhf-cross
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
gcc-defaults-powerpc-cross
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
gcc-defaults-ppc64el-cross
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
gcc-h8300-hms
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
not-affected
jammy
not-affected
focal
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne
gcc-i686-linux-android
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
dne
xenial
not-affected
trusty
dne
gcc-m68hc1x
noble
dne
mantic
dne
lunar
dne
kinetic
not-affected
jammy
not-affected
focal
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne
gcc-mingw-w64
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
ignored
jammy
not-affected
focal
not-affected
bionic
not-affected
xenial
not-affected
trusty
not-affected
gcc-msp430
noble
dne
mantic
not-affected
lunar
not-affected
kinetic
not-affected
jammy
not-affected
focal
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne
gcc-opt
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
ignored
jammy
not-affected
focal
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne
gcc-snapshot
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
ignored
jammy
not-affected
focal
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne
gccgo-4.9
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
not-affected
gccgo-6
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
dne
xenial
not-affected
trusty
dne
gdb
noble
not-affected
mantic
not-affected
lunar
not-affected
jammy
not-affected
focal
not-affected
bionic
needs-triage
xenial
needs-triage
trusty
ignored
libiberty
noble
not-affected
mantic
not-affected
lunar
not-affected
jammy
needed
focal
not-affected
bionic
not-affected
xenial
not-affected
trusty
ignored
Common Weakness Enumeration
References
https://gcc.gnu.org/git/?p=gcc.git%3Ba=commit%3Bh=5481040197402be6dfee265bd2ff5a4c88e30505
https://gcc.gnu.org/pipermail/gcc-patches/2021-September/579987
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4MYLS3VR4OPL5ECRWOR4ZHMGXUSCJFZY/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6AKZ2DTS3ATVN5PANNVLKLE5OP4OF25Q/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7MTEHT3G6YKJ7F7MSGWYSI4UM3XBAYXZ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AXFC74WRZ2Q7F2TSUKPYNIL7ZPBWYI6L/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H424YXGW7OKXS2NCAP35OP6Y4P4AW6VG/
https://gcc.gnu.org/git/?p=gcc.git%3Ba=commit%3Bh=5481040197402be6dfee265bd2ff5a4c88e30505
https://gcc.gnu.org/pipermail/gcc-patches/2021-September/579987
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4MYLS3VR4OPL5ECRWOR4ZHMGXUSCJFZY/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6AKZ2DTS3ATVN5PANNVLKLE5OP4OF25Q/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7MTEHT3G6YKJ7F7MSGWYSI4UM3XBAYXZ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AXFC74WRZ2Q7F2TSUKPYNIL7ZPBWYI6L/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H424YXGW7OKXS2NCAP35OP6Y4P4AW6VG/