CVE catalog
CVE-2021-3826
binutils: CVE-2021-3826
- Severity
- High · CVSS 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 1.41% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | binutils | sid | 2.47.50.20261021-1 | fixed |
| Debian | binutils | forky | 2.47.50.20261021-1 | fixed |
| Debian | binutils | trixie | 2.44-3 | fixed |
| Debian | binutils | bookworm | 2.40-2 | fixed |
| Debian | libiberty | sid | 20260327-1 | fixed |
| Debian | libiberty | forky | 20260327-1 | fixed |
| Debian | libiberty | trixie | 20250315-1 | fixed |
| Debian | libiberty | bookworm | 20230104-1 | fixed |
| Cpe | gcc | Not reported | Not reported | unknown |
| Cpe | fedora | Not reported | Not reported | unknown |
| Opensuse | binutils | tumbleweed | 2.39-2.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | binutils | source | sid | 2.37.50.20220121-1 | unimportant | Not reported | Not reported |
| Debian | binutils | source | forky | 2.37.50.20220121-1 | unimportant | Not reported | Not reported |
| Debian | binutils | source | trixie | 2.37.50.20220121-1 | unimportant | Not reported | Not reported |
| Debian | binutils | source | bookworm | 2.37.50.20220121-1 | unimportant | Not reported | Not reported |
| Debian | libiberty | source | sid | 20220713-1 | not yet assigned | Not reported | Not reported |
| Debian | libiberty | source | forky | 20220713-1 | not yet assigned | Not reported | Not reported |
| Debian | libiberty | source | trixie | 20220713-1 | not yet assigned | Not reported | Not reported |
| Debian | libiberty | source | bookworm | 20220713-1 | not yet assigned | Not reported | Not reported |
| Opensuse | binutils | rpm | tumbleweed | 2.39-2.1 | Not reported | OPENSUSE-SU-2024:12631-1 | Not reported |
OpenFactory catalog packages
[openSUSE Tumbleweed]
- [binutils-devel]Unknown
Source package: [binutils]
Details (1)
2.45-4.3· x86_64 · tumbleweedUnknown · Fixed:
2.39-2.1Version impact unknown
dsa · binutils · opensuse · tumbleweed
- [binutils-devel-32bit]Unknown
Source package: [binutils]
Details (1)
2.45-4.3· x86_64 · tumbleweedUnknown · Fixed:
2.39-2.1Version impact unknown
dsa · binutils · opensuse · tumbleweed
- [gprofng]Unknown
Source package: [binutils]
Details (1)
2.45-4.3· x86_64 · tumbleweedUnknown · Fixed:
2.39-2.1Version impact unknown
dsa · binutils · opensuse · tumbleweed
- [libctf0]Unknown
Source package: [binutils]
Details (1)
2.45-4.3· x86_64 · tumbleweedUnknown · Fixed:
2.39-2.1Version impact unknown
dsa · binutils · opensuse · tumbleweed
- [libctf-nobfd0]Unknown
Source package: [binutils]
Details (1)
2.45-4.3· x86_64 · tumbleweedUnknown · Fixed:
2.39-2.1Version impact unknown
dsa · binutils · opensuse · tumbleweed
- [libsframe2]Unknown
Source package: [binutils]
Details (1)
2.45-4.3· x86_64 · tumbleweedUnknown · Fixed:
2.39-2.1Version impact unknown
dsa · binutils · opensuse · tumbleweed
[Debian 12 (Bookworm)]
- [binutils]Fixed
Details (2)
2.40-2· amd64 · bookwormFixed · Fixed:
2.37.50.20220121-1dsa · binutils · debian · bookworm
2.40-2· arm64 · bookwormFixed · Fixed:
2.37.50.20220121-1dsa · binutils · debian · bookworm
- [binutils-aarch64-linux-gnu]Fixed
Source package: [binutils]
Details (2)
2.40-2· amd64 · bookwormFixed · Fixed:
2.37.50.20220121-1dsa · binutils · debian · bookworm
2.40-2· arm64 · bookwormFixed · Fixed:
2.37.50.20220121-1dsa · binutils · debian · bookworm
Source package: [binutils]
Details (2)
2.40-2· amd64 · bookwormFixed · Fixed:
2.37.50.20220121-1dsa · binutils · debian · bookworm
2.40-2· arm64 · bookwormFixed · Fixed:
2.37.50.20220121-1dsa · binutils · debian · bookworm
- [binutils-alpha-linux-gnu]Fixed
Source package: [binutils]
Details (1)
2.40-2· amd64 · bookwormFixed · Fixed:
2.37.50.20220121-1dsa · binutils · debian · bookworm
- [binutils-alpha-linux-gnu-dbg]Fixed
Source package: [binutils]
Details (1)
2.40-2· amd64 · bookwormFixed · Fixed:
2.37.50.20220121-1dsa · binutils · debian · bookworm
- [binutils-arc-linux-gnu]Fixed
Source package: [binutils]
Details (2)
2.40-2· amd64 · bookwormFixed · Fixed:
2.37.50.20220121-1dsa · binutils · debian · bookworm
2.40-2· arm64 · bookwormFixed · Fixed:
2.37.50.20220121-1dsa · binutils · debian · bookworm
- [binutils-arc-linux-gnu-dbg]Fixed
Source package: [binutils]
Details (2)
2.40-2· amd64 · bookwormFixed · Fixed:
2.37.50.20220121-1dsa · binutils · debian · bookworm
2.40-2· arm64 · bookwormFixed · Fixed:
2.37.50.20220121-1dsa · binutils · debian · bookworm
- [binutils-arm-linux-gnueabi]Fixed
Source package: [binutils]
Details (2)
2.40-2· amd64 · bookwormFixed · Fixed:
2.37.50.20220121-1dsa · binutils · debian · bookworm
2.40-2· arm64 · bookwormFixed · Fixed:
2.37.50.20220121-1dsa · binutils · debian · bookworm
Source package: [binutils]
Details (2)
2.40-2· amd64 · bookwormFixed · Fixed:
2.37.50.20220121-1dsa · binutils · debian · bookworm
2.40-2· arm64 · bookwormFixed · Fixed:
2.37.50.20220121-1dsa · binutils · debian · bookworm
- [binutils-arm-linux-gnueabihf]Fixed
Source package: [binutils]
Details (2)
2.40-2· amd64 · bookwormFixed · Fixed:
2.37.50.20220121-1dsa · binutils · debian · bookworm
2.40-2· arm64 · bookwormFixed · Fixed:
2.37.50.20220121-1dsa · binutils · debian · bookworm
Source package: [binutils]
Details (2)
2.40-2· amd64 · bookwormFixed · Fixed:
2.37.50.20220121-1dsa · binutils · debian · bookworm
2.40-2· arm64 · bookwormFixed · Fixed:
2.37.50.20220121-1dsa · binutils · debian · bookworm
- [binutils-common]Fixed
Source package: [binutils]
Details (2)
2.40-2· amd64 · bookwormFixed · Fixed:
2.37.50.20220121-1dsa · binutils · debian · bookworm
2.40-2· arm64 · bookwormFixed · Fixed:
2.37.50.20220121-1dsa · binutils · debian · bookworm
- [binutils-dev]Fixed
Source package: [binutils]
Details (2)
2.40-2· amd64 · bookwormFixed · Fixed:
2.37.50.20220121-1dsa · binutils · debian · bookworm
2.40-2· arm64 · bookwormFixed · Fixed:
2.37.50.20220121-1dsa · binutils · debian · bookworm
- [binutils-doc]Fixed
Source package: [binutils]
Details (2)
2.40-2· all · bookwormFixed · Fixed:
2.37.50.20220121-1dsa · binutils · debian · bookworm
2.40-2· all · bookwormFixed · Fixed:
2.37.50.20220121-1dsa · binutils · debian · bookworm
Observed:
References
- [https://cert-portal.siemens.com/productcert/csaf/ssa-398330.json]
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2022_4146-1.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2021-3826]
- [https://osv.dev/vulnerability/openSUSE-SU-2024:12631-1]
- [https://security-tracker.debian.org/tracker/CVE-2021-3826]
- [https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-3826.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2024/wid-sec-w-2024-0794.json]
[CERT-Bund public advisories] · [CISA cybersecurity advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]