CVE-2020-15503
HIGHCVSS 7.5/10EPSS 3.67%
Last modified
CVE-2020-15503 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. LibRaw before 0.20-RC1 lacks a thumbnail size range check. This affects decoders/unpack_thumb.cpp, postprocessing/mem_image.cpp, and utils/thumb_utils.cpp. EPSS estimates a 3.67% chance of exploitation in the next 30 days.
Description
LibRaw before 0.20-RC1 lacks a thumbnail size range check. This affects decoders/unpack_thumb.cpp, postprocessing/mem_image.cpp, and utils/thumb_utils.cpp. For example, malloc(sizeof(libraw_processed_image_t)+T.tlength) occurs without validating T.tlength.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Libraw | Libraw | <= 0.19.5 | — |
| Libraw | Libraw | 0.20 | Beta1 |
| Fedoraproject | Fedora | 31 | — |
| Fedoraproject | Fedora | 32 | — |
| Debian | Debian Linux | 10.0 | — |
References
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00075.htmlBroken Link, Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00001.htmlBroken Link, Mailing List, Third Party Advisory
- https://github.com/LibRaw/LibRaw/commit/20ad21c0d87ca80217aee47533d91e633ce1864dPatch, Third Party Advisory
- https://github.com/LibRaw/LibRaw/compare/0.20-Beta3...0.20-RC1Release Notes, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/11/msg00042.htmlMailing List, Third Party Advisory
- https://www.libraw.org/news/libraw-0-20-rc1Broken Link, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00075.htmlBroken Link, Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00001.htmlBroken Link, Mailing List, Third Party Advisory
- https://github.com/LibRaw/LibRaw/commit/20ad21c0d87ca80217aee47533d91e633ce1864dPatch, Third Party Advisory
- https://github.com/LibRaw/LibRaw/compare/0.20-Beta3...0.20-RC1Release Notes, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/11/msg00042.htmlMailing List, Third Party Advisory
- https://www.libraw.org/news/libraw-0-20-rc1Broken Link, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-15503?
LibRaw before 0.20-RC1 lacks a thumbnail size range check. This affects decoders/unpack_thumb.cpp, postprocessing/mem_image.cpp, and utils/thumb_utils.cpp. For example, malloc(sizeof(libraw_processed_image_t)+T.tlength) occurs without validating T.tlength.
How severe is CVE-2020-15503?
CVE-2020-15503 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.67% probability of exploitation in the next 30 days.
How do I fix CVE-2020-15503?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2020-15503?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST