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CVE-2026-58012— GNOME glib 缓冲区错误漏洞

一分钟漏洞结论

影响对象
GNOME GLib
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。

GNOME glib是GNOME基金会开源的一个通用的、可移植的实用程序库。提供了许多有用的数据类型、宏、类型转换、字符串实用程序、文件实用程序、主循环抽象等。 GNOME glib存在缓冲区错误漏洞，该漏洞源于g_regex_replace函数在使用G_REGEX_RAW编译标志和大小写替换转义时，string_append函数使用假设有效UTF-8输入的UTF-8函数处理匹配的子字符串，即使字符串被视为原始字节，可能导致缓冲区过度读取，进而造成1-5字节的信息泄露以及当缓冲区过度读取跨越页面边界时导致

CVSS 6.5 · Medium EPSS 0.85% · P56

影响版本矩阵 36

厂商产品 版本范围状态
GNOME GLib < 2.86.5 affected
< 2.88.1 affected
Red Hat Cert Manager support for Red Hat OpenShift release 1.19 1788348522< * unaffected
1788348571< * unaffected
1788348571< * unaffected
1788348594< * unaffected
Red Hat Red Hat Discovery 2 1788205779< * unaffected
1788206196< * unaffected
Red Hat Red Hat Enterprise Linux 10 0:2.80.4-12.el10_2.21< * unaffected
全部 affected
Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support 0:2.80.4-4.el10_0.17< * unaffected
Red Hat Red Hat Enterprise Linux 6 全部 affected
Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support 0:2.56.1-13.el7_9.1< * unaffected
Red Hat Red Hat Enterprise Linux 8 0:2.70.1-9.el8_10< * unaffected
0:2.56.4-177.el8_10< * unaffected
Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support 0:2.56.4-10.el8_4.7< * unaffected
Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On 0:2.56.4-10.el8_4.7< * unaffected
Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support 0:2.56.4-158.el8_6.7< * unaffected
Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On 0:2.56.4-158.el8_6.7< * unaffected
Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service 0:2.56.4-165.el8_8.2< * unaffected
Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions 0:2.56.4-165.el8_8.2< * unaffected
Red Hat Red Hat Enterprise Linux 9 0:2.68.4-19.el9_8.9< * unaffected
0:2.68.4-19.el9_8.9< * unaffected
全部 affected
Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions 0:2.68.4-7.el9_2.7< * unaffected
Red Hat Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions 0:2.68.4-14.el9_4.8< * unaffected
Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support 0:2.68.4-16.el9_6.7< * unaffected
Red Hat Red Hat Hardened Images 全部 unaffected
Red Hat Red Hat Update Infrastructure 5 1787241211< * unaffected
1787135742< * unaffected
1787241260< * unaffected
1788880445< * unaffected
1788880464< * unaffected
1788880456< * unaffected
1788765051< * unaffected
1788880581< * unaffected
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一、 漏洞 CVE-2026-58012 基础信息

漏洞信息
对漏洞内容有疑问？看看神龙的深度分析是否有帮助！
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Vulnerability Title
Glib: buffer over-read in g_regex_replace() via glib/gregex.c:string_append() and g_utf8_next_char()
来源: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in GLib. A buffer over-read can occur in the g_regex_replace function when used with the `G_REGEX_RAW` compile flag and case-change replacement escapes because the string_append function processes matched substrings using UTF-8 functions that assume valid UTF-8 input, even when the string is treated as raw bytes. This vulnerability can cause a minor information disclosure of 1-5 bytes and a denial of service when the buffer over-read crosses a page boundary.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
来源: CVE Program / CVE List V5
Vulnerability Type
缓冲区上溢读取
来源: CVE Program / CVE List V5
Vulnerability Title
GNOME glib 缓冲区错误漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
GNOME glib是GNOME基金会开源的一个通用的、可移植的实用程序库。提供了许多有用的数据类型、宏、类型转换、字符串实用程序、文件实用程序、主循环抽象等。 GNOME glib存在缓冲区错误漏洞，该漏洞源于g_regex_replace函数在使用G_REGEX_RAW编译标志和大小写替换转义时，string_append函数使用假设有效UTF-8输入的UTF-8函数处理匹配的子字符串，即使字符串被视为原始字节，可能导致缓冲区过度读取，进而造成1-5字节的信息泄露以及当缓冲区过度读取跨越页面边界时导致
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD

受影响产品

厂商 产品 影响版本 CPE 订阅
GNOME GLib 0 ~ 2.86.5 -
Red Hat Red Hat Enterprise Linux 10 0:2.80.4-12.el10_2.21 ~ * cpe:/o:redhat:enterprise_linux:10.2
Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support 0:2.80.4-4.el10_0.17 ~ * cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support 0:2.56.1-13.el7_9.1 ~ * cpe:/o:redhat:rhel_els:7
Red Hat Red Hat Enterprise Linux 8 0:2.70.1-9.el8_10 ~ * cpe:/a:redhat:enterprise_linux:8::crb
Red Hat Red Hat Enterprise Linux 8 0:2.56.4-177.el8_10 ~ * cpe:/a:redhat:enterprise_linux:8::crb
Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support 0:2.56.4-10.el8_4.7 ~ * cpe:/o:redhat:rhel_aus:8.4::baseos
Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On 0:2.56.4-10.el8_4.7 ~ * cpe:/o:redhat:rhel_aus:8.4::baseos
Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support 0:2.56.4-158.el8_6.7 ~ * cpe:/o:redhat:rhel_aus:8.6::baseos
Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On 0:2.56.4-158.el8_6.7 ~ * cpe:/o:redhat:rhel_aus:8.6::baseos
Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service 0:2.56.4-165.el8_8.2 ~ * cpe:/o:redhat:rhel_e4s:8.8::baseos
Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions 0:2.56.4-165.el8_8.2 ~ * cpe:/o:redhat:rhel_e4s:8.8::baseos
Red Hat Red Hat Enterprise Linux 9 0:2.68.4-19.el9_8.9 ~ * cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat Red Hat Enterprise Linux 9 0:2.68.4-19.el9_8.9 ~ * cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions 0:2.68.4-7.el9_2.7 ~ * cpe:/a:redhat:rhel_e4s:9.2::appstream
Red Hat Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions 0:2.68.4-14.el9_4.8 ~ * cpe:/a:redhat:rhel_e4s:9.4::appstream
Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support 0:2.68.4-16.el9_6.7 ~ * cpe:/a:redhat:rhel_eus:9.6::appstream
Red Hat Cert Manager support for Red Hat OpenShift release 1.19 1788348522 ~ * cpe:/a:redhat:cert_manager:1.19::el9
Red Hat Cert Manager support for Red Hat OpenShift release 1.19 1788348571 ~ * cpe:/a:redhat:cert_manager:1.19::el9
Red Hat Cert Manager support for Red Hat OpenShift release 1.19 1788348571 ~ * cpe:/a:redhat:cert_manager:1.19::el9
Red Hat Cert Manager support for Red Hat OpenShift release 1.19 1788348594 ~ * cpe:/a:redhat:cert_manager:1.19::el9
Red Hat Red Hat Discovery 2 1788205779 ~ * cpe:/a:redhat:discovery:2::el9
Red Hat Red Hat Discovery 2 1788206196 ~ * cpe:/a:redhat:discovery:2::el9
Red Hat Red Hat Update Infrastructure 5 1787241211 ~ * cpe:/a:redhat:rhui:5::el9
Red Hat Red Hat Update Infrastructure 5 1787135742 ~ * cpe:/a:redhat:rhui:5::el9
Red Hat Red Hat Update Infrastructure 5 1787241260 ~ * cpe:/a:redhat:rhui:5::el9
Red Hat Red Hat Update Infrastructure 5 1788880445 ~ * cpe:/a:redhat:rhui:5::el9
Red Hat Red Hat Update Infrastructure 5 1788880464 ~ * cpe:/a:redhat:rhui:5::el9
Red Hat Red Hat Update Infrastructure 5 1788880456 ~ * cpe:/a:redhat:rhui:5::el9
Red Hat Red Hat Update Infrastructure 5 1788765051 ~ * cpe:/a:redhat:rhui:5::el9

二、漏洞 CVE-2026-58012 的公开POC

# POC 描述 源链接 神龙链接
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三、漏洞 CVE-2026-58012 的情报信息

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CVE-2026-58012 厂商安全公告 (18)

CVE-2026-58012 概念验证 (1)

CVE-2026-58012 其他参考 (2)

同批安全公告 · GNOME · 2026-06-30 · 共 7 条

CVE-2026-58016 7.5 HIGH GNOME GLib 数字错误漏洞
CVE-2026-58014 7.3 HIGH GNOME glib 数字错误漏洞
CVE-2026-58011 6.5 MEDIUM GNOME glib 缓冲区错误漏洞
CVE-2026-58013 6.5 MEDIUM GNOME glib 缓冲区错误漏洞
CVE-2026-58010 6.5 MEDIUM GNOME glib 缓冲区错误漏洞
CVE-2026-58015 5.9 MEDIUM GNOME glib 安全漏洞

IV. Related Vulnerabilities

Same product: GLib
Same vendor: GNOME
Same weakness: CWE-126

V. Comments for CVE-2026-58012

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