CVE-2023-49554
Use After Free vulnerability in YASM 1.3.0.86.g9def allows a remote attacker to cause a denial of...
Use After Free vulnerability in YASM 1.3.0.86.g9def allows a remote attacker to cause a denial of service via the do_directive function in the modules/preprocs/nasm/nasm-pp.c component.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Use After Free vulnerability in YASM 1.3.0.86.g9def allows a remote attacker to cause a denial of service via the do_directive function in the modules/preprocs/nasm/nasm-pp.c component.
- Record
CVE-2023-49554- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-416
- Updated
- 2026-11-02
CVE List
Use After Free vulnerability in YASM 1.3.0.86.g9def allows a remote attacker to cause a denial of service via the do_directive function in the modules/preprocs/nasm/nasm-pp.c component.
- Record
CVE-2023-49554- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-416
- Updated
- 2026-11-02
EUVDEUVD-2023-53511
Use After Free vulnerability in YASM 1.3.0.86.g9def allows a remote attacker to cause a denial of service via the do_directive function in the modules/preprocs/nasm/nasm-pp.c component.
- Record
EUVD-2023-53511- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-4x52-4p76-xv6v
Use After Free vulnerability in YASM 1.3.0.86.g9def allows a remote attacker to cause a denial of...
Use After Free vulnerability in YASM 1.3.0.86.g9def allows a remote attacker to cause a denial of service via the do_directive function in the modules/preprocs/nasm/nasm-pp.c component.
- Record
GHSA-4x52-4p76-xv6v- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-416
- Updated
- 2026-11-02
OSVAZL-33357
CVE-2023-49554 affecting package yasm 1.3.0-17
Use After Free vulnerability in YASM 1.3.0.86.g9def allows a remote attacker to cause a denial of service via the do_directive function in the modules/preprocs/nasm/nasm-pp.c component.
- Record
AZL-33357- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVAZL-35393
CVE-2023-49554 affecting package yasm 1.3.0-17
Use After Free vulnerability in YASM 1.3.0.86.g9def allows a remote attacker to cause a denial of service via the do_directive function in the modules/preprocs/nasm/nasm-pp.c component.
- Record
AZL-35393- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSV
Use After Free vulnerability in YASM 1.3.0.86.g9def allows a remote attacker to cause a denial of service via the do_directive function in the modules/preprocs/nasm/nasm-pp.c component.
- Record
CVE-2023-49554- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2023-49554
Use After Free vulnerability in YASM 1.3.0.86.g9def allows a remote attacker to cause a denial of service via the do_directive function in the modules/preprocs/nasm/nasm-pp.c component.
- Record
DEBIAN-CVE-2023-49554- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2023-49554
Use After Free vulnerability in YASM 1.3.0.86.g9def allows a remote attacker to cause a denial of service via the do_directive function in the modules/preprocs/nasm/nasm-pp.c component.
- Record
UBUNTU-CVE-2023-49554- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
yasmAzure Linux:2 |
through 1.3.0-17 | None known |
yasmAzure Linux:3 |
through 1.3.0-17 | None known |
yasmDebian:12 |
All versions, plus listed versions 1.3.0-41.3.0-51.3.0-61.3.0-71.3.0-8 |
None known |
yasmDebian:13 |
All versions, plus listed versions 1.3.0-71.3.0-8 |
None known |
yasmDebian:14 |
All versions, plus listed versions 1.3.0-71.3.0-8 |
None known |
yasmUbuntu:16.04:LTS |
All versions, plus listed versions 1.3.0-2 |
None known |
yasmUbuntu:18.04:LTS |
All versions, plus listed versions 1.3.0-21.3.0-2build1 |
None known |
yasmUbuntu:20.04:LTS |
All versions, plus listed versions 1.3.0-2build11.3.0-2ubuntu1 |
None known |
yasmUbuntu:22.04:LTS |
All versions, plus listed versions 1.3.0-2.1 |
None known |
yasmUbuntu:24.04:LTS |
All versions, plus listed versions 1.3.0-4 |
None known |
yasmUbuntu:25.10 |
All versions, plus listed versions 1.3.0-51.3.0-7 |
None known |
yasmUbuntu:26.10 |
All versions, plus listed versions 1.3.0-8 |
None known |
yasmUbuntu:26.04:LTS |
All versions, plus listed versions 1.3.0-71.3.0-8 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-49554 is a medium vulnerability (CVSS 5.5) in Yasm Project Yasm, published January 2, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.40%, the 34th percentile. No source names a fixed version.