PULSE
FEED
← All CVEs
CVE WatchAug 21, 2026

CVE-2026-75900

An out-of-bounds read vulnerability was found in swtpm's SWTPM_NVRAM_CheckHeader() function. The entry guard checks the buffer length agains

CVSS

6.1

Medium

EPSS

0.1%

p1

KEV

—

Exploit Today

0

0-100

Published: Aug 19, 2026 · Last modified: Aug 21, 2026 · CWE-125

EPSS · 30d
0.1%EPSS · 30 days0.1%
2026-10-042026-11-01
Technical description

An out-of-bounds read vulnerability was found in swtpm's SWTPM_NVRAM_CheckHeader() function. The entry guard checks the buffer length against sizeof(bh), where bh is a pointer, instead of sizeof(*bh), the actual struct size. This allows an undersized buffer to pass validation, causing a 2-byte heap overread on 64-bit systems (6 bytes on 32-bit) when accessing the totlen field. This may cause daemon termination on some platforms and leaks heap data to the log.

Official references
Related CVEs
CVECVSSEPSSKEVRExploitTitleMod.
CVE-2026-68590—
—
——0In ip_stack, there is a possible out of bounds read due to improper input validation. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01387180; Issue ID: MSV-5152.13h
CVE-2026-20598—
—
——0In Modem, there is a possible out of bounds read due to an integer overflow. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01755742; Issue ID: MSV-8896.13h
CVE-2026-20597—
—
——0In Modem, there is a possible out of bounds read due to a missing bounds check. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01758223; Issue ID: MSV-8909.13h
CVE-2026-20596—
—
——0In Modem, there is a possible out of bounds read due to improper input validation. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01758225; Issue ID: MSV-8910.13h
CVE-2026-20594—
—
——0In Modem, there is a possible out of bounds read due to a missing bounds check. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01349680 / MOLY01369097; Issue ID: MSV-9364.13h
CVE-2026-20561—
—
——0In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01750090; Issue ID: MSV-8908.13h