CVE-2021-33467 — Use After Free in Yasm

CWE-416 — Use After Free5 documents5 sources
Severity
5.5MEDIUMNVD
EPSS
0.1%
top 66.47%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
Tortall YasmDebian YasmMsrc Azl3 Yasm 1.3.0-17 ON Azure Linux 3.0+2 more
Timeline
PublishedJul 26
Latest updateJul 27

Description

An issue was discovered in yasm version 1.3.0. There is a use-after-free in pp_getline() in modules/preprocs/nasm/nasm-pp.c.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages5 packages

▶debiandebian/yasm
▶NVDtortall/yasm1.3.0

🔴Vulnerability Details

2
GHSA
GHSA-877w-h65v-8769: An issue was discovered in yasm version 1↗2022-07-27
▶
OSV
CVE-2021-33467: An issue was discovered in yasm version 1↗2022-07-26
▶

📋Vendor Advisories

2
Microsoft
An issue was discovered in yasm version 1.3.0. There is a use-after-free in pp_getline() in modules/preprocs/nasm/nasm-pp.c.↗2022-07-12
▶
Debian
CVE-2021-33467: yasm - An issue was discovered in yasm version 1.3.0. There is a use-after-free in pp_g...↗2021
▶
CVE-2021-33467 — Use After Free in Tortall Yasm | cvebase