Xpdf
CVE-2022-38238
HIGH
Severity by source
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionNVD
XPDF commit ffaf11c was discovered to contain a heap-buffer overflow via DCTStream::lookChar() at /xpdf/Stream.cc.
AnalysisAI
XPDF commit ffaf11c was discovered to contain a heap-buffer overflow via DCTStream::lookChar() at /xpdf/Stream.cc. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Technical ContextAI
This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. XPDF commit ffaf11c was discovered to contain a heap-buffer overflow via DCTStream::lookChar() at /xpdf/Stream.cc. Affected products include: Xpdf Project Xpdf.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).
There is a use-after-free issue in JBIG2Stream::close() located in JBIG2Stream.cc in Xpdf 4.04. Rated high severity (CVS
XPDF 4.04 is vulnerable to Null Pointer Dereference in FoFiType1C.cc:2393. Rated high severity (CVSS 7.8), this vulnerab
XPDF commit ffaf11c was discovered to contain a heap-buffer overflow via DCTStream::readScan() at /xpdf/Stream.cc. Rated
XPDF commit ffaf11c was discovered to contain a global-buffer overflow via Lexer::getObj(Object*) at /xpdf/Lexer.cc. Rat
XPDF commit ffaf11c was discovered to contain a heap-buffer overflow via DCTStream::getChar() at /xpdf/Stream.cc. Rated
XPDF commit ffaf11c was discovered to contain a heap-buffer overflow via DCTStream::readHuffSym(DCTHuffTable*) at /xpdf/
XPDF commit ffaf11c was discovered to contain a heap-buffer overflow via DCTStream::transformDataUnit at /xpdf/Stream.cc
XPDF commit ffaf11c was discovered to contain a stack overflow via __asan_memcpy at asan_interceptors_memintrinsics.cpp.
XPDF v4.04 was discovered to contain a stack overflow vulnerability via the Object::Copy class of object.cc files. Rated
There is an invalid memory access in the TextLine class in TextOutputDev.cc in Xpdf 4.0.4 because the text extractor mis
There is an invalid memory access in the function fprintf located in Error.cc in Xpdf 4.0.2. Rated high severity (CVSS 7
There is an invalid memory access in the function TextString::~TextString() located in Catalog.cc in Xpdf 4.0.2. Rated h
Same weakness CWE-787 – Out-of-bounds Write
View allSame technique Memory Corruption
View allShare
External POC / Exploit Code
Leaving vuln.today