CVE-2017-8846
CVE-2017-8846 is a medium-severity vulnerability in Long Range Zip Project Long Range Zip with a CVSS 3.x base score of 5.5. 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-416.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- CVSS v2: 4.3
- EPSS exploit prediction: 2% (72nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-416
- Affected product: Long Range Zip Project Long Range Zip
- Published:
- Last modified:
Description
The read_stream function in stream.c in liblrzip.so in lrzip 0.631 allows remote attackers to cause a denial of service (use-after-free and application crash) via a crafted archive.
Frequently asked questions
- What is CVE-2017-8846?
- The read_stream function in stream.c in liblrzip.so in lrzip 0.631 allows remote attackers to cause a denial of service (use-after-free and application crash) via a crafted archive.
- How severe is CVE-2017-8846?
- CVE-2017-8846 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2017-8846 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2017-8846?
- CVE-2017-8846 primarily affects Long Range Zip Project Long Range Zip. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2017-8846?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2017-8846 published?
- CVE-2017-8846 was published on 2017-05-08 and last updated on 2026-06-17.
References
- https://blogs.gentoo.org/ago/2017/05/07/lrzip-use-after-free-in-read_stream-stream-c/
- https://github.com/ckolivas/lrzip/issues/71
- https://lists.debian.org/debian-lts-announce/2021/08/msg00001.html
- https://security.gentoo.org/glsa/202005-01
Affected products (2)
- cpe:2.3:a:long_range_zip_project:long_range_zip:0.631:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
More vulnerabilities in Long Range Zip Project Long Range Zip
- CVE-2018-10685 — Critical (CVSS 9.8): In Long Range Zip (aka lrzip) 0.631, there is a use-after-free in the lzma_decompress_buf function of stream.c, which…
- CVE-2021-33453 — High (CVSS 7.8): An issue was discovered in lrzip version 0.641. There is a use-after-free in ucompthread() in stream.c:1538.
- CVE-2017-8844 — High (CVSS 7.8): The read_1g function in stream.c in liblrzip.so in lrzip 0.631 allows remote attackers to cause a denial of service…
- CVE-2018-11496 — Medium (CVSS 6.5): In Long Range Zip (aka lrzip) 0.631, there is a use-after-free in read_stream in stream.c, because decompress_file in…
- CVE-2023-39741 — Medium (CVSS 5.5): lrzip v0.651 was discovered to contain a heap overflow via the libzpaq::PostProcessor::write(int) function at…
- CVE-2021-33451 — Medium (CVSS 5.5): An issue was discovered in lrzip version 0.641. There are memory leaks in fill_buffer() in stream.c.
All CVEs affecting Long Range Zip Project Long Range Zip →
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