CVE-2016-8703 — Heap-based buffer overflow in the bm_readbody_bmp function in bitmap_io

Heap-based buffer overflow in the bm_readbody_bmp function in bitmap_io.c in potrace before 1.13 allows remote attackers to have unspecified impact via a crafted BMP image, a different vulnerability than CVE-2016-8698, CVE-2016-8699, CVE-2016-8700, CVE-2016-8701, and CVE-2016-870

01What is this vulnerability?

Heap-based buffer overflow in the bm_readbody_bmp function in bitmap_io.c in potrace before 1.13 allows remote attackers to have unspecified impact via a crafted BMP image, a different vulnerability than CVE-2016-8698, CVE-2016-8699, CVE-2016-8700, CVE-2016-8701, and CVE-2016-8702.

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

08Timeline

• Published: 2017-01-31T22:59:00.923
• Last modified: 2026-05-13T00:24:29.033

09References

• potrace.sourceforge.net — http://potrace.sourceforge.net/ChangeLog
• www.openwall.com — http://www.openwall.com/lists/oss-security/2016/08/18/11
• www.openwall.com — http://www.openwall.com/lists/oss-security/2016/10/16/12
• www.securityfocus.com — http://www.securityfocus.com/bid/93778
• blogs.gentoo.org — https://blogs.gentoo.org/ago/2016/08/08/potrace-multiplesix-heap-based-buffer-ov…
• potrace.sourceforge.net — http://potrace.sourceforge.net/ChangeLog
• www.openwall.com — http://www.openwall.com/lists/oss-security/2016/08/18/11
• www.openwall.com — http://www.openwall.com/lists/oss-security/2016/10/16/12
• www.securityfocus.com — http://www.securityfocus.com/bid/93778
• blogs.gentoo.org — https://blogs.gentoo.org/ago/2016/08/08/potrace-multiplesix-heap-based-buffer-ov…