CVE-2021-36056
XMP Toolkit SDK Heap-based Buffer Overflow Could Lead To Arbitrary Code Execution
XMP Toolkit SDK version 2020.1 (and earlier) is affected by a buffer overflow vulnerability potentially resulting in arbitrary code execution in the context of the current user. Exploitation requires user interaction in that a victim must open a crafted file.
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
CVE List Score used
5.5
XMP Toolkit SDK Heap-based Buffer Overflow Could Lead To Arbitrary Code Execution
XMP Toolkit SDK version 2020.1 (and earlier) is affected by a buffer overflow vulnerability potentially resulting in arbitrary code execution in the context of the current user. Exploitation requires user interaction in that a victim must open a crafted file.
- Record
CVE-2021-36056- 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-122
- Updated
- 2026-11-02
EUVDEUVD-2021-22689
5.5
XMP Toolkit SDK version 2020.1 (and earlier) is affected by a buffer overflow vulnerability potentially resulting in arbitrary code execution in the context of the current user. Exploitation requires user interaction in that a victim must open a crafted file.
- Record
EUVD-2021-22689- 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-f3qq-3425-4434
5.5
XMP Toolkit SDK version 2020.1 (and earlier) is affected by a buffer overflow vulnerability...
XMP Toolkit SDK version 2020.1 (and earlier) is affected by a buffer overflow vulnerability potentially resulting in arbitrary code execution in the context of the current user. Exploitation requires user interaction in that a victim must open a crafted file.
- Record
GHSA-f3qq-3425-4434- 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-122
- Updated
- 2026-11-02
NVD
5.5
XMP Toolkit SDK version 2020.1 (and earlier) is affected by a buffer overflow vulnerability potentially resulting in arbitrary code execution in the context of the current user. Exploitation requires user interaction in that a victim must open a crafted file.
- Record
CVE-2021-36056- 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 - CVSS 3.1
- 7.3 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-122
- Updated
- 2026-11-02
OSV
5.5
XMP Toolkit SDK version 2020.1 (and earlier) is affected by a buffer overflow vulnerability potentially resulting in arbitrary code execution in the context of the current user. Exploitation requires user interaction in that a victim must open a crafted file.
- Record
CVE-2021-36056- 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-2021-36056
5.5
XMP Toolkit SDK version 2020.1 (and earlier) is affected by a buffer overflow vulnerability potentially resulting in arbitrary code execution in the context of the current user. Exploitation requires user interaction in that a victim must open a crafted file.
- Record
DEBIAN-CVE-2021-36056- 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-2021-36056
5.5
XMP Toolkit SDK version 2020.1 (and earlier) is affected by a buffer overflow vulnerability potentially resulting in arbitrary code execution in the context of the current user. Exploitation requires user interaction in that a victim must open a crafted file.
- Record
UBUNTU-CVE-2021-36056- 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 - CVSS 3.1
- 7.3 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVMGASA-2022-0236 No score
Updated exempi packages fix security vulnerability
XMP Toolkit SDK versions 2020.1 (and earlier) are affected by an out-of-bounds read vulnerability that could lead to disclosure of arbitrary memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious file. (CVE-2021-36045)
XMP Toolkit version 2020.1 (and earlier) is affected by a memory corruption vulnerability, potentially resulting in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability. (CVE-2021-36046)
XMP Toolkit SDK version 2020.1 (and earlier) is affected by an Improper Input Validation vulnerability potentially resulting in arbitrary code execution in the context of the current user. Exploitation requires user interaction in that a victim must open a crafted file. (CVE-2021-36047)
XMP Toolkit SDK version 2020.1 (and earlier) is affected by an Improper Input Validation vulnerability potentially resulting in arbitrary code execution in the context of the current user. Exploitation requires user interaction in that a victim must open a crafted file. (CVE-2021-36048)
XMP Toolkit SDK version 2020.1 (and earlier) is affected by a buffer overflow vulnerability potentially resulting in arbitrary code execution in the context of the current user. Exploitation requires user interaction in that a victim must open a crafted file. (CVE-2021-36050)
XMP Toolkit SDK version 2020.1 (and earlier) is affected by a buffer overflow vulnerability potentially resulting in arbitrary code execution in the context of the current user. Exploitation requires user interaction in that a victim must open a specially-crafted .cpp file. (CVE-2021-36051)
XMP Toolkit version 2020.1 (and earlier) is affected by a memory corruption vulnerability, potentially resulting in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability. (CVE-2021-36052)
XMP Toolkit SDK versions 2020.1 (and earlier) are affected by an out-of-bounds read vulnerability that could lead to disclosure of arbitrary memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious file. (CVE-2021-36053)
XMP Toolkit SDK version 2020.1 (and earlier) is affected by a buffer overflow vulnerability potentially resulting in local application denial of service in the context of the current user. Exploitation requires user interaction in that a victim must open a crafted file. (CVE-2021-36054)
XMP Toolkit SDK versions 2020.1 (and earlier) are affected by a use-after-free vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file. (CVE-2021-36055)
XMP Toolkit SDK version 2020.1 (and earlier) is affected by a buffer overflow vulnerability potentially resulting in arbitrary code execution in the context of the current user. Exploitation requires user interaction in that a victim must open a crafted file. (CVE-2021-36056)
XMP Toolkit SDK version 2020.1 (and earlier) is affected by an Integer Overflow vulnerability potentially resulting in application-level denial of service in the context of the current user. Exploitation requires user interaction in that a victim must open a crafted file. (CVE-2021-36058)
XMP Toolkit version 2020.1 (and earlier) is affected by a Buffer Underflow vulnerability which could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file. (CVE-2021-36064)
XMP Toolkit SDK version 2020.1 (and earlier) is affected by a stack-based buffer overflow vulnerability potentially resulting in arbitrary code execution in the context of the current user. Exploitation…
- Record
MGASA-2022-0236- Updated
- 2026-11-02
OSVUSN-5483-1 No score
exempi vulnerabilities
It was discovered that Exempi incorrectly handled certain media files. If a user or automated system were tricked into opening a specially crafted file, a remote attacker could cause Exempi to stop responding or crash, resulting in a denial of service, or possibly execute arbitrary code.
- Record
USN-5483-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
exempiDebian:12 |
before 2.6.0-1 | 2.6.0-1 |
exempiDebian:13 |
before 2.6.0-1 | 2.6.0-1 |
exempiDebian:14 |
before 2.6.0-1 | 2.6.0-1 |
exempiDebian:10 From an advisory covering 24 CVEs |
before 2.5.0-2+deb10u1, plus listed versions 2.5.0-2 |
2.5.0-2+deb10u1 |
exempiDebian:11 From an advisory covering 22 CVEs |
before 2.5.2-1+deb11u1, plus listed versions 2.5.2-1 |
2.5.2-1+deb11u1 |
exempiMageia:8 From an advisory covering 21 CVEs |
before 2.5.1-2.1.mga8 | 2.5.1-2.1.mga8 |
exempiUbuntu:16.04:LTS |
All versions, plus listed versions 2.2.2-22.2.2-2ubuntu0.1 |
None known |
exempiUbuntu:18.04:LTS |
before 2.4.5-2ubuntu0.1, plus listed versions 2.4.3-1ubuntu12.4.5-2 |
2.4.5-2ubuntu0.1 |
exempiUbuntu:20.04:LTS |
before 2.5.1-1ubuntu0.1, plus listed versions 2.5.1-12.5.1-1build1 |
2.5.1-1ubuntu0.1 |
exempiUbuntu:22.04:LTS |
before 2.5.2-1ubuntu0.22.04.1, plus listed versions 2.5.2-1build1 |
2.5.2-1ubuntu0.22.04.1 |
exempiUbuntu:18.04:LTS From an advisory covering 22 CVEs |
before 2.4.5-2ubuntu0.1, plus listed versions 2.4.3-1ubuntu12.4.5-2 |
2.4.5-2ubuntu0.1 |
exempiUbuntu:20.04:LTS From an advisory covering 22 CVEs |
before 2.5.1-1ubuntu0.1, plus listed versions 2.5.1-12.5.1-1build1 |
2.5.1-1ubuntu0.1 |
exempiUbuntu:22.04:LTS From an advisory covering 22 CVEs |
before 2.5.2-1ubuntu0.22.04.1, plus listed versions 2.5.2-1build1 |
2.5.2-1ubuntu0.22.04.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-36056 is a medium vulnerability (CVSS 5.5) in Adobe Xmp Toolkit, published September 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.36%, the 91st percentile. Fixed in exempi 2.6.0-1.
References
helpx.adobe.com/security/products/xmpcore/apsb21-65.html
lists.debian.org/debian-lts-announce/2023/09/msg00032.html
lists.debian.org/debian-lts-announce/2025/08/msg00003.html
nvd.nist.gov/vuln/detail/CVE-2021-36056
github.com/advisories/GHSA-f3qq-3425-4434
security-tracker.debian.org/tracker/CVE-2021-36056
Show 27 moreShow less
advisories.mageia.org/MGASA-2022-0236.html
bugs.mageia.org/show_bug.cgi?id=30557
ubuntu.com/security/notices/USN-5483-1
ubuntu.com/security/CVE-2021-36056
gitlab.freedesktop.org/libopenraw/exempi/-/releases
cve.org/CVERecord?id=CVE-2021-36056
ubuntu.com/security/CVE-2018-12648
ubuntu.com/security/CVE-2021-36045
ubuntu.com/security/CVE-2021-36046
ubuntu.com/security/CVE-2021-36047
ubuntu.com/security/CVE-2021-36048
ubuntu.com/security/CVE-2021-36050
ubuntu.com/security/CVE-2021-36051
ubuntu.com/security/CVE-2021-36052
ubuntu.com/security/CVE-2021-36053
ubuntu.com/security/CVE-2021-36054
ubuntu.com/security/CVE-2021-36055
ubuntu.com/security/CVE-2021-36058
ubuntu.com/security/CVE-2021-36064
ubuntu.com/security/CVE-2021-39847
ubuntu.com/security/CVE-2021-40716
ubuntu.com/security/CVE-2021-40732
ubuntu.com/security/CVE-2021-42528
ubuntu.com/security/CVE-2021-42529
ubuntu.com/security/CVE-2021-42530
ubuntu.com/security/CVE-2021-42531
ubuntu.com/security/CVE-2021-42532
Left out here: the rest of 1 source description. The JSON record has them.