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CVE-2026-116326— PostgreSQL plperl tied-object exceptions follow stale sigjmp_buf

Quick assessment

Affected
n/a PostgreSQL
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

PostgreSQL 的 plperl 模块中存在未捕获异常问题：对象创建者可通过绑定（tied）的 Perl 对象，或在 plperl 处理其他错误时抛出异常的重载类型转换的 Perl 对象，导致使用过期的 。目前尚未排除在某些平台上可能引发任意代码执行的风险。受影响的版本包括 PostgreSQL 18.7、17.12、16.16、15.20 和 14.25 之前的所有版本。

CVSS 8.8 · High
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I. Basic Information for CVE-2026-116326

Vulnerability Information
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Vulnerability Title
PostgreSQL plperl tied-object exceptions follow stale sigjmp_buf
Source: CVE Program / CVE List V5
Vulnerability Description
Uncaught exceptions in PostgreSQL plperl allow an object creator to cause use of a stale sigjmp_buf, via a tied Perl object, or a Perl object whose overloaded conversion throws while plperl is handling another error. We have not ruled out arbitrary code execution on some platform. Versions before PostgreSQL 18.7, 17.12, 16.16, 15.20, and 14.25 are affected.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
在过期或释放后对资源进行操作
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
- PostgreSQL 18 ~ 18.7 -

II. Public POCs for CVE-2026-116326

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III. Intelligence Information for CVE-2026-116326

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Other References for CVE-2026-116326 (1)

Same Patch Batch · n/a · 2026-11-12 · 56 CVEs total

CVE-2026-116332 8.8 HIGH PostgreSQL portal setup use-after-free executes arbitrary code
CVE-2026-116304 8.8 HIGH PostgreSQL parallel RECORD typmod use-after-free executes arbitrary code
CVE-2026-116307 8.8 HIGH PostgreSQL plperl prepared-query use-after-free executes arbitrary code
CVE-2026-116309 8.8 HIGH PostgreSQL plperl blessed-reference type confusion may execute arbitrary code
CVE-2026-120144 8.8 HIGH PostgreSQL type-cache invalidation gap executes arbitrary code
CVE-2026-120142 8.8 HIGH PostgreSQL dropped-column type confusion executes arbitrary code
CVE-2026-120141 8.8 HIGH PostgreSQL materialized set-returning function type confusion executes arbitrary code
CVE-2026-120139 8.8 HIGH PostgreSQL tuple-size integer wraparound executes arbitrary code
CVE-2026-116336 8.8 HIGH PostgreSQL REINDEX CONCURRENTLY does not block DROP INDEX during index functions
CVE-2026-116335 8.8 HIGH PostgreSQL commutator or negator result-type confusion executes arbitrary code
CVE-2026-120143 8.8 HIGH PostgreSQL transition-table cursor use-after-free executes arbitrary code
CVE-2026-116317 8.8 HIGH PostgreSQL ts_rank_cd() heap buffer overflow may execute arbitrary code
CVE-2026-116331 8.8 HIGH PostgreSQL min/max aggregate type confusion executes arbitrary code
CVE-2026-116329 8.8 HIGH PostgreSQL statistics import type confusion executes arbitrary code
CVE-2026-116330 8.8 HIGH PostgreSQL pg_dump tar restore.sql fails to block psql command injection
CVE-2026-116328 8.8 HIGH PostgreSQL generation memory context integer wraparound executes arbitrary code
CVE-2026-116319 8.8 HIGH PostgreSQL plperl reentrant return_next() use-after-free executes arbitrary code
CVE-2026-116323 8.8 HIGH PostgreSQL pltcl reentrant result conversion use-after-free executes arbitrary code
CVE-2026-116318 8.8 HIGH PostgreSQL pg_dump not-null constraint name allows SQL injection
CVE-2026-116320 8.8 HIGH PostgreSQL plperl array and hash conversion use-after-free executes arbitrary code

Showing top 20 of 56 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: PostgreSQL
Same vendor: n/a
Same weakness: CWE-672