CVE-2020-25725
5
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Summary
In Xpdf 4.02, SplashOutputDev::endType3Char(GfxState *state) SplashOutputDev.cc:3079 is trying to use the freed t3GlyphStack->cache, which causes an heap-use-after-free problem. The codes of a previous fix for nested Type 3 characters wasn't correctly handling the case where a Type 3 char referred to another char in the same Type 3 font.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Glyph & Cog | xpdf | 4.02 | affected |
Weaknesses
- CWE-416: CWE-416
ADP Enrichment
CVE Program Container
Additional References
- https://forum.xpdfreader.com/viewtopic.php?f=3&t=41915
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25725
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ZUU5QG6SSVRTKZTR3A72LDRVZETEI63/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VLOYVJSM54IL6I5RY4QTJGRS7PIEG44X/
References
- https://forum.xpdfreader.com/viewtopic.php?f=3&t=41915
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25725
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ZUU5QG6SSVRTKZTR3A72LDRVZETEI63/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VLOYVJSM54IL6I5RY4QTJGRS7PIEG44X/
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