CVE-2025-1632
CVE-2025-1632 is a low-severity vulnerability in Libarchive with a CVSS 3.x base score of 3.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-476.
Key facts
- Severity: Low (CVSS 3.x base score 3.3)
- CVSS v2: 1.7
- CVSS v4: 4.8
- EPSS exploit prediction: 0% (24th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-4364
- Weakness: CWE-476
- Affected product: Libarchive
- Published:
- Last modified:
Description
A vulnerability was found in libarchive up to 3.7.7. It has been classified as problematic. This affects the function list of the file bsdunzip.c. The manipulation leads to null pointer dereference. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Frequently asked questions
- What is CVE-2025-1632?
- A vulnerability was found in libarchive up to 3.7.7. It has been classified as problematic. This affects the function list of the file bsdunzip.c. The manipulation leads to null pointer dereference. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
- How severe is CVE-2025-1632?
- CVE-2025-1632 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
- Is CVE-2025-1632 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-1632?
- CVE-2025-1632 affects Libarchive. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-1632?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-1632 have an EU (EUVD) identifier?
- Yes. CVE-2025-1632 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-4364.
- When was CVE-2025-1632 published?
- CVE-2025-1632 was published on 2025-02-24 and last updated on 2026-06-17.
References
- https://github.com/Ekkosun/pocs/blob/main/bsdunzip-poc
- https://vuldb.com/?ctiid.296619
- https://vuldb.com/?id.296619
- https://vuldb.com/?submit.496460
Affected products (1)
- cpe:2.3:a:libarchive:libarchive:*:*:*:*:*:*:*:*
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- CVE-2020-9308 — High (CVSS 8.8): archive_read_support_format_rar5.c in libarchive before 3.4.2 attempts to unpack a RAR5 file with an invalid or…
- CVE-2018-1000878 — High (CVSS 8.8): libarchive version commit 416694915449219d505531b1096384f3237dd6cc onwards (release v3.1.0 onwards) contains a CWE-416:…
- CVE-2018-1000877 — High (CVSS 8.8): libarchive version commit 416694915449219d505531b1096384f3237dd6cc onwards (release v3.1.0 onwards) contains a CWE-415:…
- CVE-2016-1541 — High (CVSS 8.8): Heap-based buffer overflow in the zip_read_mac_metadata function in archive_read_support_format_zip.c in libarchive…
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