CVE-2017-5601 — An error in the lha_read_file_header_1() function (archive_read_support_format_l

An error in the lha_read_file_header_1() function (archive_read_support_format_lha.c) in libarchive 3.2.2 allows remote attackers to trigger an out-of-bounds read memory access and subsequently cause a crash via a specially crafted archive.

01What is this vulnerability?

An error in the lha_read_file_header_1() function (archive_read_support_format_lha.c) in libarchive 3.2.2 allows remote attackers to trigger an out-of-bounds read memory access and subsequently cause a crash via a specially 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: 2017-01-27T22:59:08.413
• Last modified: 2026-05-13T00:24:29.033

09References

• www.securityfocus.com — http://www.securityfocus.com/bid/95837
• www.securitytracker.com — http://www.securitytracker.com/id/1037974
• github.com — https://github.com/libarchive/libarchive/commit/98dcbbf0bf4854bf987557e55e55fff7…
• lists.debian.org — https://lists.debian.org/debian-lts-announce/2018/11/msg00037.html
• secunia.com — https://secunia.com/secunia_research/2017-3/
• www.securityfocus.com — http://www.securityfocus.com/bid/95837
• www.securitytracker.com — http://www.securitytracker.com/id/1037974
• github.com — https://github.com/libarchive/libarchive/commit/98dcbbf0bf4854bf987557e55e55fff7…
• lists.debian.org — https://lists.debian.org/debian-lts-announce/2018/11/msg00037.html
• secunia.com — https://secunia.com/secunia_research/2017-3/