ALT-PU-2021-1186-1
Closed vulnerabilities
Published: 2020-11-21
Modified: 2024-11-21
Modified: 2024-11-21
CVE-2020-25725
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.
Severity: MEDIUM (5.5)
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
References:
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25725
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25725
- https://forum.xpdfreader.com/viewtopic.php?f=3&t=41915
- https://forum.xpdfreader.com/viewtopic.php?f=3&t=41915
- FEDORA-2021-4a437fe032
- FEDORA-2021-4a437fe032
- FEDORA-2021-013d9a30e0
- FEDORA-2021-013d9a30e0
Published: 2020-12-26
Modified: 2024-11-21
Modified: 2024-11-21
CVE-2020-35376
Xpdf 4.02 allows stack consumption because of an incorrect subroutine reference in a Type 1C font charstring, related to the FoFiType1C::getOp() function.
Severity: HIGH (7.5)
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References: