Buffer overflow in Optipng
CVE-2016-2191
The bmp_read_rows function in pngxtern/pngxrbmp.c in OptiPNG before 0.7.6 allows remote attackers to cause a denial of service (invalid memory write and crash) via a series of delta escapes in a crafted BMP image.
Vulnerability class: Buffer Overflow
EPSS: 0.035 (88.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Optipng — versions 0.7.2
- Canonical Ubuntu_linux — versions 12.04, 14.04, 15.04
- Debian Debian_linux — versions 7.0, 8.0
- Opensuse Leap — versions 42.1
- Opensuse — versions 13.2
- N/a — versions n/a
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_CONFIRM, Patch)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Third Party Advisory)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_SUSE)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- secalert@redhat.com (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_SUSE)
- secalert@redhat.com (mailing-list, x_refsource_BUGTRAQ)
- secalert@redhat.com (mailing-list, x_refsource_FULLDISC, Third Party Advisory)
- secalert@redhat.com (vendor-advisory, x_refsource_GENTOO)
- secalert@redhat.com (Exploit, x_refsource_MISC)
Frequently asked questions
- What is CVE-2016-2191?
- CVE-2016-2191 is a medium-severity vulnerability in Optipng, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.5/10. Published 2016-04-13.
- How severe is CVE-2016-2191?
- Medium severity. CVSS v3 base score is 6.5 out of 10.