PT-2022-10702 · Libiberty+4 · Libiberty+4

Luís Ferreira · Published 2021-09-22 · Updated 2024-09-03 · CVE-2021-3826

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions libiberty (affected versions not specified)

Description The issue is related to a heap/stack buffer overflow in the dlang lname function in d-demangle.c, which can potentially cause a denial of service, leading to a segmentation fault and crash. This can be achieved via a crafted mangled symbol.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Buffer Overflow

Memory Corruption

Weakness Enumeration

CWE-119

CWE-787

Related Identifiers

ALSA-2023:6372

CVE-2021-3826

MGASA-2022-0425

OPENSUSE-SU-2022_4146-1

OPENSUSE-SU-2024:12631-1

RHSA-2023:3269

RHSA-2023:6372

RHSA-2023_6372

SUSE-SU-2022:4146-1

SUSE-SU-2022:4277-1

Affected Products

Almalinux

Debian

Red Hat

Suse

Libiberty

References · 59

• https://osv.dev/vulnerability/CVE-2021-3826 · Vendor Advisory
• https://errata.almalinux.org/9/ALSA-2023-6372.html · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4MYLS3VR4OPL5ECRWOR4ZHMGXUSCJFZY · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-3826 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2022-0425.html · Security Note
• https://lists.fedoraproject.org/archives/list/[e-mail]/thread/6AKZ2DTS3ATVN5PANNVLKLE5OP4OF25Q · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-3826 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2022:4277-1 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2022-0425 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7MTEHT3G6YKJ7F7MSGWYSI4UM3XBAYXZ · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-3826 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H424YXGW7OKXS2NCAP35OP6Y4P4AW6VG · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-3826 · Security Note
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AXFC74WRZ2Q7F2TSUKPYNIL7ZPBWYI6L · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-3826 · Vendor Advisory