CVE-2017-9614 — The fill_input_buffer function in jdatasrc

The fill_input_buffer function in jdatasrc.c in libjpeg-turbo 1.5.1 allows remote attackers to cause a denial of service (invalid memory access and application crash) or possibly have unspecified other impact via a crafted jpg file. NOTE: Maintainer asserts the issue is due to a

01What is this vulnerability?

The fill_input_buffer function in jdatasrc.c in libjpeg-turbo 1.5.1 allows remote attackers to cause a denial of service (invalid memory access and application crash) or possibly have unspecified other impact via a crafted jpg file. NOTE: Maintainer asserts the issue is due to a bug in downstream code caused by misuse of the libjpeg API

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: 2017-07-27T06:29:00.897
• Last modified: 2026-05-13T00:24:29.033

09References

• packetstormsecurity.com — http://packetstormsecurity.com/files/143518/libjpeg-turbo-1.5.1-Denial-Of-Servic…
• seclists.org — http://seclists.org/fulldisclosure/2017/Jul/66
• seclists.org — http://seclists.org/fulldisclosure/2017/Jul/66
• github.com — https://github.com/libjpeg-turbo/libjpeg-turbo/issues/167
• www.exploit-db.com — https://www.exploit-db.com/exploits/42391/
• packetstormsecurity.com — http://packetstormsecurity.com/files/143518/libjpeg-turbo-1.5.1-Denial-Of-Servic…
• seclists.org — http://seclists.org/fulldisclosure/2017/Jul/66
• seclists.org — http://seclists.org/fulldisclosure/2017/Jul/66
• github.com — https://github.com/libjpeg-turbo/libjpeg-turbo/issues/167
• www.exploit-db.com — https://www.exploit-db.com/exploits/42391/