LibVNCServer (SUSE:Linux Enterprise Server 12 SP2-LTSS) — known CVEs & security advisories

Known CVE vulnerabilities and GitHub Security Advisories affecting the SUSE:Linux Enterprise Server 12 SP2-LTSS package LibVNCServer, with affected version ranges, CVSS severity, EPSS exploit prediction, and CISA KEV status.

CVEs (28)

• CVE-2017-18922 — CVSS 9.8 (critical): It was discovered that websockets.c in LibVNCServer prior to 0.9.12 did not properly decode certain WebSocket frames. A malicious attacker…
• CVE-2018-15127 — CVSS 9.8 (critical): LibVNC before commit 502821828ed00b4a2c4bef90683d0fd88ce495de contains heap out-of-bound write vulnerability in server code of file…
• CVE-2018-20750 — CVSS 9.8 (critical): LibVNC through 0.9.12 contains a heap out-of-bounds write vulnerability in libvncserver/rfbserver.c. The fix for CVE-2018-15127 was…
• CVE-2018-15126 — CVSS 9.8 (critical): LibVNC before commit 73cb96fec028a576a5a24417b57723b55854ad7b contains heap use-after-free vulnerability in server code of file transfer…
• CVE-2019-20788 — CVSS 9.8 (critical): libvncclient/cursor.c in LibVNCServer through 0.9.12 has a HandleCursorShape integer overflow and heap-based buffer overflow via a large…
• CVE-2018-20019 — CVSS 9.8 (critical): LibVNC before commit a83439b9fbe0f03c48eb94ed05729cb016f8b72f contains multiple heap out-of-bound write vulnerabilities in VNC client code…
• CVE-2018-20020 — CVSS 9.8 (critical): LibVNC before commit 7b1ef0ffc4815cab9a96c7278394152bdc89dc4d contains heap out-of-bound write vulnerability inside structure in VNC client…
• CVE-2018-20748 — CVSS 9.8 (critical): LibVNC before 0.9.12 contains multiple heap out-of-bounds write vulnerabilities in libvncclient/rfbproto.c. The fix for CVE-2018-20019 was…
• CVE-2018-20749 — CVSS 9.8 (critical): LibVNC before 0.9.12 contains a heap out-of-bounds write vulnerability in libvncserver/rfbserver.c. The fix for CVE-2018-15127 was…
• CVE-2019-15690 — CVSS 8.8 (high): LibVNCServer 0.9.12 release and earlier contains heap buffer overflow vulnerability within the HandleCursorShape() function in…
• CVE-2018-6307 — CVSS 8.1 (high): LibVNC before commit ca2a5ac02fbbadd0a21fabba779c1ea69173d10b contains heap use-after-free vulnerability in server code of file transfer…
• CVE-2020-14399 — CVSS 7.5 (high): An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is accessed through uint32_t pointers in libvncclient/rfbproto.c…
• CVE-2020-14400 — CVSS 7.5 (high): An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c…
• CVE-2020-25708 — CVSS 7.5 (high): A divide by zero issue was found to occur in libvncserver-0.9.12. A malicious client could use this flaw to send a specially crafted…
• CVE-2018-20021 — CVSS 7.5 (high): LibVNC before commit c3115350eb8bb635d0fdb4dbbb0d0541f38ed19c contains a CWE-835: Infinite loop vulnerability in VNC client code…
• CVE-2018-20022 — CVSS 7.5 (high): LibVNC before 2f5b2ad1c6c99b1ac6482c95844a84d66bb52838 contains multiple weaknesses CWE-665: Improper Initialization vulnerability in VNC…
• CVE-2018-20023 — CVSS 7.5 (high): LibVNC before 8b06f835e259652b0ff026898014fc7297ade858 contains CWE-665: Improper Initialization vulnerability in VNC Repeater client code…
• CVE-2018-20024 — CVSS 7.5 (high): LibVNC before commit 4a21bbd097ef7c44bb000c3bd0907f96a10e4ce7 contains null pointer dereference in VNC client code that can result DoS.
• CVE-2018-21247 — CVSS 7.5 (high): An issue was discovered in LibVNCServer before 0.9.13. There is an information leak (of uninitialized memory contents) in the…
• CVE-2019-15681 — CVSS 7.5 (high): LibVNC commit before d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a contains a memory leak (CWE-655) in VNC server code, which allow an attacker…
• CVE-2019-20839 — CVSS 7.5 (high): libvncclient/sockets.c in LibVNCServer before 0.9.13 has a buffer overflow via a long socket filename.
• CVE-2019-20840 — CVSS 7.5 (high): An issue was discovered in LibVNCServer before 0.9.13. libvncserver/ws_decode.c can lead to a crash because of unaligned accesses in…
• CVE-2020-14397 — CVSS 7.5 (high): An issue was discovered in LibVNCServer before 0.9.13. libvncserver/rfbregion.c has a NULL pointer dereference.
• CVE-2020-14398 — CVSS 7.5 (high): An issue was discovered in LibVNCServer before 0.9.13. An improperly closed TCP connection causes an infinite loop in…
• CVE-2020-14401 — CVSS 6.5 (medium): An issue was discovered in LibVNCServer before 0.9.13. libvncserver/scale.c has a pixel_value integer overflow.
• CVE-2020-14402 — CVSS 5.4 (medium): An issue was discovered in LibVNCServer before 0.9.13. libvncserver/corre.c allows out-of-bounds access via encodings.
• CVE-2020-14403 — CVSS 5.4 (medium): An issue was discovered in LibVNCServer before 0.9.13. libvncserver/hextile.c allows out-of-bounds access via encodings.
• CVE-2020-14404 — CVSS 5.4 (medium): An issue was discovered in LibVNCServer before 0.9.13. libvncserver/rre.c allows out-of-bounds access via encodings.