postgresql: PostgreSQL libpq: Buffer overflow allows server superuser to overwrite client stack memory

A flaw was found in PostgreSQL libpq. A server superuser can exploit a buffer overflow vulnerability in the PQfn function, which is used by client functions such as loexport, loread, lolseek64, and lotell64. This allows the superuser to send an arbitrarily large response, overwriting the client's...

Important: Red Hat Security Advisory: libpq security update

An update for libpq is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

RHEL 9 : libpq (RHSA-2026:49908)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:49908 advisory. The libpq package provides the PostgreSQL client library, which allows client programs to connect to PostgreSQL servers. Security Fixes: postgresql:...

@01.software/cli (>=0.1.1, <=0.2.0), @01.software/sdk (>=0.0.1-251008.90016, <=0.3.0) +928 more potentially affected by CVE-2026-13697 via undici (>=7.0.0, <=7.28.0)

undici NPM version =7.0.0, =0.1.1, =0.0.1-251008.90016, =0.6.0, =0.12.0-alpha.1, =0.12.0-alpha.1, =0.12.0-alpha.1, =0.12.0-alpha.1, =0.12.0-alpha.1, =0.0.6, =0.18.1, =0.18.4, =0.18.4, =0.1.0, =0.0.1, =0.0.5 - @agnocon/connector-http 0.1.0 and more Source cves: CVE-2026-13697 Source advisory:...

postgresql: PostgreSQL libpq: Buffer overflow allows server superuser to overwrite client stack memory

A flaw was found in PostgreSQL libpq. A server superuser can exploit a buffer overflow vulnerability in the PQfn function, which is used by client functions such as loexport, loread, lolseek64, and lotell64. This allows the superuser to send an arbitrarily large response, overwriting the client's...

MCP Ruby SDK: Ruby SSE Session Poisoning

Summary Vulnerability: Missing Session Ownership Validation in the Ruby MCP SDK's Streamable and SSE HTTP transport implementation. Any attacker with a stolen session ID can execute tools with the victim's session. This is a silent attack - the victim's session is compromised and being used for...

Important: Red Hat Security Advisory: libpq security update

An update for libpq is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability...

postgresql: PostgreSQL libpq: Buffer overflow allows server superuser to overwrite client stack memory

A flaw was found in PostgreSQL libpq. A server superuser can exploit a buffer overflow vulnerability in the PQfn function, which is used by client functions such as loexport, loread, lolseek64, and lotell64. This allows the superuser to send an arbitrarily large response, overwriting the client's...

RLSA-2026:44391 Important: libpq security update

The libpq package provides the PostgreSQL client library, which allows client programs to connect to PostgreSQL servers. Security Fixes: postgresql: PostgreSQL libpq: Buffer overflow allows server superuser to overwrite client stack memory CVE-2026-6477 For more details about the security issues,...

libpq security update

An update is available for libpq. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The libpq package provides the PostgreSQL client library, which allows client...

@accounter/client (>=0.0.8-alpha-20251116084105-a1cea854a8885090847180b84764d326dbe1ab77, <=0.0.10-alpha-20260124220016-4e2b62f7c68c0c6fd69aea71f714b37188ddd976), @boxyhq/react-ui (3.5.2) +64 more potentially affected by CVE-2026-53668 via react-router (>=7.9.6, <=7.12.0-pre.0)

react-router NPM version =7.9.6, =0.0.8-alpha-20251116084105-a1cea854a8885090847180b84764d326dbe1ab77, =1.0.1-MON-198407-add-selinux-sudo-check.0, =3.4.9, =0.1.9, =1.21.9, =1.21.9, =0.3.1, =1.5.0, =0.4.0, =0.0.5, =0.0.7 and more Source cves: CVE-2026-53668 Source advisory:...

@aaravpos/appointment-barber-booking (>=1.0.0, <=4.0.6), @aaravpos/appointment-booking-plugin (>=1.0.1, <=8.0.2) +268 more potentially affected by CVE-2026-53667 via react-router (>=7.11.0, <=7.17.0)

react-router NPM version =7.11.0, =1.0.0, =1.0.1, =0.0.9-alpha-20251217170854-13a5505369f22d85f29bcbbbe455c23672e2aca3, =1.3.7, =0.1.0, =0.1.0, =0.1.0, =0.1.0, =0.1.0, =3.2.0-ultramodern.0, =3.2.0-ultramodern.0, =3.2.0-ultramodern.0, =3.2.0-ultramodern.0, =3.2.0-ultramodern.127 and more Source...

Important: Red Hat Security Advisory: libpq security update

An update for libpq is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

postgresql: PostgreSQL libpq: Buffer overflow allows server superuser to overwrite client stack memory

A flaw was found in PostgreSQL libpq. A server superuser can exploit a buffer overflow vulnerability in the PQfn function, which is used by client functions such as loexport, loread, lolseek64, and lotell64. This allows the superuser to send an arbitrarily large response, overwriting the client's...

Important: Red Hat Security Advisory: libpq security update

An update for libpq is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability...

RHEL 10 : libpq (RHSA-2026:44391)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:44391 advisory. The libpq package provides the PostgreSQL client library, which allows client programs to connect to PostgreSQL servers. Security Fixes: postgresql...

libpq security update

16.14-1 - Rebase to upstream release 16.14 - Resolves: RHEL-192240...

ALSA-2026:44391 Important: libpq security update

The libpq package provides the PostgreSQL client library, which allows client programs to connect to PostgreSQL servers. Security Fixes: postgresql: PostgreSQL libpq: Buffer overflow allows server superuser to overwrite client stack memory CVE-2026-6477 For more details about the security issues,...

ALSA-2026:44308 Important: libpq security update

The libpq package provides the PostgreSQL client library, which allows client programs to connect to PostgreSQL servers. Security Fixes: postgresql: PostgreSQL libpq: Buffer overflow allows server superuser to overwrite client stack memory CVE-2026-6477 For more details about the security issues,...

RHEL 8 : libpq (RHSA-2026:44420)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:44420 advisory. The libpq package provides the PostgreSQL client library, which allows client programs to connect to PostgreSQL servers. Security Fixes:...