Vulnerability · CVE-2025-53817
7-Zip is a file archiver with a high compression ratio.
Published Jul 17, 2025 · catalog updated Nov 4, 2025 · 7-Zip
Last checked Oct 26, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2025-53817. EPSS is 0.71%. Act only if a listed version of 7-Zip is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2025-11001 · High · known exploited
- CVE-2022-47111 · Low
- CVE-2022-47112 · Low
- CVE-2025-0411 · High · known exploited
- CVE-2018-10115 · Unknown · known exploited
- Severity
- Medium5.5
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.71%
- Remediation
- Version ranges on file
- Affected products
- vendor ipavlov 7-Zip < 25.0.0
7-Zip is a file archiver with a high compression ratio. 7-Zip supports extracting from Compound Documents. Prior to version 25.0.0, a null pointer dereference in the Compound handler may lead to denial of service. Version 25.0.0 contains a fix cor the issue.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor ipavlov 7-Zip < 25.0.0< 25.0.0
How to fix CVE-2025-53817
Upgrade
CVE-2025-53817 lists a fix boundary at 25.0.0. Compare the installed build with that boundary before you change production.
Version check
Affected < 25.0.0
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2025-53817. EPSS is 0.71%. Act only if a listed version of 7-Zip is installed.
Which versions are affected?
Compare what you have installed with ipavlov 7-Zip < 25.0.0 < 25.0.0. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.71%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Jul 17, 2025 · EUVD
Detected
7-Zip is a file archiver with a high compression ratio. 7-Zip supports extracting from Compound Documents. Prior to version 25.0.0, a null pointer dereference in the Compound handler may lead to denial of service. Version 25.0.0 contains a fix cor the issue.
Nov 4, 2025 · EUVD
Updated
7-Zip is a file archiver with a high compression ratio. 7-Zip supports extracting from Compound Documents. Prior to version 25.0.0, a null pointer dereference in the Compound handler may lead to denial of service. Version 25.0.0 contains a fix cor the issue.
Sources
- CVE.orgVulnerability recordCVE-2025-53817
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-53817
30-day exploitation probability 0.71%
first.org - EUVDVulnerability recordEUVD-2025-21790
7-Zip is a file archiver with a high compression ratio. 7-Zip supports extracting from Compound Documents. Prior to version 25.0.0, a null pointer dereference in the Compound handler may lead to denial of service. Version 25.0.0 contains a fix cor the issue.
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Oct 26, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSOct 23, 2026
- CVE.orgOct 21, 2026
- EUVDOct 20, 2026