Out-of-bounds Read in Libraw
CVE-2020-35531
In LibRaw, an out-of-bounds read vulnerability exists within the get_huffman_diff() function (libraw\src\x3f\x3f_utils_patched.cpp) when reading data from an image file.
Vulnerability class: Buffer Overflow
EPSS: 0.003 (20.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Libraw — versions 0.20.0, 0.20.1, 0.20.2
- Debian Debian_linux — versions 10.0
- N/a Libraw — versions LibRaw 0.21-Beta1, LibRaw 0.20.2, LibRaw 0.20.1, LibRaw 0.20.0, LibRaw 0.20-RC2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-35531?
- CVE-2020-35531 is a medium-severity vulnerability in Libraw, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2022-09-01.
- How severe is CVE-2020-35531?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2020-35531 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.