CVE-2017-8844 — The read_1g function in stream
The read_1g function in stream.c in liblrzip.so in lrzip 0.631 allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted archive.
Published
2017-05-08T14:29:00.230
Last modified
2026-05-13T00:24:29.033
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
01What is this vulnerability?
The read_1g function in stream.c in liblrzip.so in lrzip 0.631 allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted archive.
02Affected products
No structured affected-product list available — see references below for vendor advisories.
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2017-05-08T14:29:00.230
- Last modified: 2026-05-13T00:24:29.033
09References
- blogs.gentoo.org — https://blogs.gentoo.org/ago/2017/05/07/lrzip-heap-based-buffer-overflow-write-i…
- github.com — https://github.com/ckolivas/lrzip/issues/70
- lists.debian.org — https://lists.debian.org/debian-lts-announce/2021/08/msg00001.html
- security.gentoo.org — https://security.gentoo.org/glsa/202005-01
- blogs.gentoo.org — https://blogs.gentoo.org/ago/2017/05/07/lrzip-heap-based-buffer-overflow-write-i…
- github.com — https://github.com/ckolivas/lrzip/issues/70
- lists.debian.org — https://lists.debian.org/debian-lts-announce/2021/08/msg00001.html
- security.gentoo.org — https://security.gentoo.org/glsa/202005-01
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