7-Zip before 25.01 does not always properly handle symbolic links during extraction.
CVE-2025-55188
This low-severity CVE scores 3.6 under NVD CVSS v3. EPSS exploit probability: 0.7%, top 51% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 3.6
- EG Score
- 3.6(medium)
- EG Risk
- 32(Track)EG Risk 32/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity36% × 45%Exploitation40% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 1%
- EPSS %ILE
- 61%
- KEV
- Not listed
Published
August 8, 2025
Last Modified
November 4, 2025
References (14)
- cve@mitrehttps://github.com/ip7z/7zip/compare/25.00...25.01
- cve@mitrehttps://github.com/ip7z/7zip/releases/tag/25.01
- cve@mitrehttps://github.com/lunbun/CVE-2025-55188/
- cve@mitrehttps://lunbun.dev/blog/cve-2025-55188/
- cve@mitrehttps://sourceforge.net/p/sevenzip/discussion/45797/thread/da14cd780b/
- cve@mitrehttps://www.openwall.com/lists/oss-security/2025/08/09/1
- cve@mitrehttps://www.vicarius.io/vsociety/posts/cve-2025-55188-detect-7-zip-vulnerable-version
- cve@mitrehttps://www.vicarius.io/vsociety/posts/cve-2025-55188-mitigate-7-zip-vulnerability
- cve@mitrehttps://youtu.be/sWT6M1cfnwM
- af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2025/08/09/1
- af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2025/08/10/1
- af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2025/08/13/1
- af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2025/10/12/2
- af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2025/10/16/7
Affected Packages
(6 across 4 ecosystems)
Debian:12(2)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| 7zip | 22.01+dfsg-10~exp1, 22.01+dfsg-8, 22.01+dfsg-8+deb12u1, 22.01+dfsg-9 | 22.01+really25.01+dfsg-0+deb12u1 | — |
| p7zip | 16.02+dfsg-8 | 16.02+really25.01+dfsg-0+deb12u1 | — |
Debian:13(2)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| 7zip | 24.09+dfsg-8, 25.00+dfsg-1, 25.01+dfsg-1~deb13u1~bpo12+1 | 25.01+dfsg-1~deb13u1 | — |
| p7zip | — | 16.02+transitional.1 | — |
Debian:11(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| p7zip | 16.02+dfsg-8 | 16.02+really25.01+dfsg-0+deb11u1 | — |
Debian:14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| 7zip | 24.09+dfsg-8, 25.00+dfsg-1, 25.01+dfsg-1~deb13u1, 25.01+dfsg-1~deb13u1~bpo12+1, 25.01+dfsg-1~deb13u2 | 25.01+dfsg-1 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 6× in last 7d / 31× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 151 total refreshes for this CVE.
- 2026-09-19 15:42 UTCEPSS rescore
- 2026-09-18 19:27 UTCEPSS rescore
- 2026-09-18 19:27 UTCEPSS rescore
- 2026-09-17 19:29 UTCEPSS rescore
- 2026-09-16 14:07 UTCEPSS rescore
- 2026-09-16 05:14 UTCEPSS rescore
- 2026-09-13 16:46 UTCEPSS rescore
- 2026-09-13 05:35 UTCOSV refresh
- 2026-09-12 15:00 UTCEPSS rescore
- 2026-09-11 14:52 UTCEPSS rescore
- 2026-09-11 09:36 UTCEPSS rescore
- 2026-09-10 09:34 UTCEPSS rescore
- 2026-09-08 21:59 UTCEPSS rescore
- 2026-09-07 16:00 UTCEPSS rescore
- 2026-09-06 13:47 UTCEPSS rescore
- 2026-09-05 15:28 UTCEPSS rescore
- 2026-09-04 05:06 UTCEPSS rescore
- 2026-09-02 14:11 UTCEPSS rescore
- 2026-09-01 13:53 UTCEPSS rescore
- 2026-09-01 04:38 UTCEPSS rescore
- 2026-08-30 19:16 UTCEPSS rescore
- 2026-08-30 01:21 UTCEPSS rescore
- 2026-08-28 21:40 UTCEPSS rescore
- 2026-08-27 14:24 UTCEPSS rescore
- 2026-08-26 14:45 UTCEPSS rescore
Show 75 moreShow fewer
- 2026-08-25 13:48 UTCEPSS rescore
- 2026-08-25 06:26 UTCOSV refresh
- 2026-08-24 14:16 UTCEPSS rescore
- 2026-08-24 09:22 UTCEPSS rescore
- 2026-08-23 00:18 UTCEPSS rescore
- 2026-08-21 23:48 UTCEPSS rescore
- 2026-08-20 22:54 UTCEPSS rescore
- 2026-08-19 17:03 UTCEPSS rescore
- 2026-08-18 13:47 UTCEPSS rescore
- 2026-08-17 13:46 UTCEPSS rescore
- 2026-08-16 14:55 UTCEPSS rescore
- 2026-08-16 02:13 UTCEPSS rescore
- 2026-08-15 01:29 UTCEPSS rescore
- 2026-08-13 21:59 UTCEPSS rescore
- 2026-08-12 13:50 UTCEPSS rescore
- 2026-08-12 13:50 UTCEPSS rescore
- 2026-08-11 13:42 UTCEPSS rescore
- 2026-08-10 23:59 UTCEPSS rescore
- 2026-08-09 13:46 UTCEPSS rescore
- 2026-08-08 23:55 UTCOSV refresh
- 2026-08-08 16:36 UTCEPSS rescore
- 2026-08-07 16:26 UTCEPSS rescore
- 2026-08-06 13:46 UTCEPSS rescore
- 2026-08-05 19:16 UTCEPSS rescore
- 2026-08-04 15:09 UTCEPSS rescore
- 2026-08-04 15:09 UTCEPSS rescore
- 2026-08-04 10:37 UTCEPSS rescore
- 2026-08-03 10:35 UTCEPSS rescore
- 2026-08-02 02:26 UTCEPSS rescore
- 2026-08-01 04:15 UTCEPSS rescore
- 2026-07-30 16:27 UTCEPSS rescore
- 2026-07-30 01:30 UTCEPSS rescore
- 2026-07-28 15:35 UTCEPSS rescore
- 2026-07-26 14:54 UTCEPSS rescore
- 2026-07-25 14:17 UTCEPSS rescore
- 2026-07-24 14:17 UTCEPSS rescore
- 2026-07-23 23:11 UTCOSV refresh
- 2026-07-23 14:18 UTCEPSS rescore
- 2026-07-23 02:59 UTCEG score recompute▲ 0.90
- 2026-07-22 14:08 UTCEPSS rescore
- 2026-07-22 14:07 UTCEPSS rescore
- 2026-07-21 15:24 UTCEPSS rescore
- 2026-07-20 17:08 UTCEPSS rescore
- 2026-07-19 14:30 UTCEPSS rescore
- 2026-07-19 14:30 UTCEPSS rescore
- 2026-07-19 02:28 UTCEPSS rescore
- 2026-07-18 10:04 UTCEPSS rescore
- 2026-07-16 17:02 UTCEPSS rescore
- 2026-07-15 16:57 UTCEPSS rescore
- 2026-07-15 16:57 UTCEPSS rescore
- 2026-07-15 01:59 UTCEPSS rescore
- 2026-07-15 01:59 UTCEPSS rescore
- 2026-07-13 22:29 UTCEPSS rescore
- 2026-07-13 06:12 UTCEPSS rescore
- 2026-07-13 06:12 UTCEPSS rescore
- 2026-07-12 05:46 UTCEPSS rescore
- 2026-07-11 08:27 UTCEPSS rescore
- 2026-07-11 08:27 UTCEPSS rescore
- 2026-07-09 19:09 UTCEPSS rescore
- 2026-07-08 15:15 UTCEPSS rescore
- 2026-07-07 13:45 UTCEPSS rescore
- 2026-07-06 17:21 UTCOSV refresh
- 2026-07-06 16:27 UTCEPSS rescore
- 2026-07-06 16:27 UTCEPSS rescore
- 2026-07-06 02:23 UTCEPSS rescore
- 2026-07-06 02:23 UTCEPSS rescore
- 2026-07-05 02:30 UTCEPSS rescore
- 2026-07-04 06:30 UTCEPSS rescore
- 2026-07-02 17:01 UTCEPSS rescore
- 2026-07-01 15:06 UTCEPSS rescore
- 2026-06-30 23:22 UTCEPSS rescore
- 2026-06-29 14:06 UTCEPSS rescore
- 2026-06-29 14:06 UTCEPSS rescore
- 2026-06-28 14:07 UTCEPSS rescore
- 2026-06-28 14:07 UTCEPSS rescore
Publicly available exploits
(2 references)Working exploit code is in the public domain (2 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- GitHub PoClunbun/CVE-2025-55188First seen Aug 28, 2025
Proof-of-concept of CVE-2025-55188: 7-Zip arbitrary file write
Open source ↗ - GitHub PoChunters-sec/CVE-2025-55188-7z-exploitFirst seen Aug 11, 2025
7z exploit POC versions prior to 25.01
Open source ↗
Related CVEs(same CWE)
Same CWE
10 shownCWE-59
Frequently asked(5)
What is CVE-2025-55188?
When was CVE-2025-55188 disclosed?
Is CVE-2025-55188 actively exploited?
What is the CVSS score of CVE-2025-55188?
How do I remediate CVE-2025-55188?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-55188
Is Your Infrastructure Affected by CVE-2025-55188?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.