CVE-2017-6887 — A boundary error within the "parse_tiff_ifd()" function (internal/dcraw_common

A boundary error within the "parse_tiff_ifd()" function (internal/dcraw_common.cpp) in LibRaw versions before 0.18.2 can be exploited to cause a memory corruption via e.g. a specially crafted KDC file with model set to "DSLR-A100" and containing multiple seque

01What is this vulnerability?

A boundary error within the "parse_tiff_ifd()" function (internal/dcraw_common.cpp) in LibRaw versions before 0.18.2 can be exploited to cause a memory corruption via e.g. a specially crafted KDC file with model set to "DSLR-A100" and containing multiple sequences of 0x100 and 0x14A TAGs.

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: 2017-05-16T16:29:00.253
• Last modified: 2026-05-13T00:24:29.033

09References

• www.debian.org — http://www.debian.org/security/2017/dsa-3950
• www.securityfocus.com — http://www.securityfocus.com/bid/98592
• github.com — https://github.com/LibRaw/LibRaw/commit/d7c3d2cb460be10a3ea7b32e9443a83c243b2251
• secuniaresearch.flexerasoftware.com — https://secuniaresearch.flexerasoftware.com/advisories/75737/
• secuniaresearch.flexerasoftware.com — https://secuniaresearch.flexerasoftware.com/secunia_research/2017-6/
• www.debian.org — http://www.debian.org/security/2017/dsa-3950
• www.securityfocus.com — http://www.securityfocus.com/bid/98592
• github.com — https://github.com/LibRaw/LibRaw/commit/d7c3d2cb460be10a3ea7b32e9443a83c243b2251
• secuniaresearch.flexerasoftware.com — https://secuniaresearch.flexerasoftware.com/advisories/75737/
• secuniaresearch.flexerasoftware.com — https://secuniaresearch.flexerasoftware.com/secunia_research/2017-6/